baber/WOPTO huggingface dataset:
Patent GB-1506936-A (GB)
Title: Coke oven installations
IPC: C10B31/04
Filed: 1975-03-27
Abstract: 1506936 Charging coke ovens HARTUNG KUHN & CO MASCHINENFABRIK GmbH 27 March 1975 [3 April 1974] 13091/75 Heading F4B In coke oven charging apparatus comprising a lorry car 13 provided with a plurality of coal feed hoppers 14, 15, 16, 17 one to each charging opening 6, 7, 8 and 9 and with a corresponding number of mechanical conveyers for charging coal from each hopper into a respective charging opening, each conveyer comprises an elongate horizontal rotatable member 18 constructed and arranged to interrupt repeatedly, on rotation of the member, the flow of coal into the coke oven chamber 2 through the respective charging opening. The streams of coal 21, 22, 23, 24 issuing from the individual feed hoppers may all be interrupted at the same time or they may be interrupted successively; the periods during which the streams of coal are interrupted may be lengthened as the level of coal 20 in the oven chamber increases. The conveyers may each comprise a screw 47 carrying a hollow cylindrical segment 51, Fig. 3 or circular disc sector (53, Fig. 5, not shown) extending over an angle of approximately 180 degrees at its discharge end to ensure intermittent interruption of coal supply to a vertically movable telescopic charging pipe 19. Alternatively the surface 72 of the screw conveyer 71 may be interrupted at equal intervals 73, see Fig. 7 (and Fig. 8, not shown). The screw conveyer may be driven by a single or variable speed motor 48. Charging gases are removed from the oven chamber via a take-off main 11 communicating with a longitudinally extending collector main 12.
Patent GB-756605-A (GB)
Title: Improvements in or relating to the storing of beer
IPC: B65D90/12
Filed: 1954-05-05
Abstract: 756,605. Beer tanks. NATIONAL BREWING CO. May 5, 1954 [May 5, 1953], No. 13098/54. Class 49. A tank 10, Fig. 3, of truncated cone shape for storing beer is mounted with its axis 13 horizontal, has an inlet 46 at the highest point of the larger end of the tank, and has a valved outlet pipe 49 which extends into the tank to a position above the lowest point of the larger end of the tank, preferably to the level of the lowest point of the smaller end of the tank, so that sediment is left in the tank when the beer is racked off. At the inside end of the pipe 49 a strainer 58, Fig. 5, having the lowermost of its openings 60 at the required level may be placed, or a strainer 61, Fig: 8, may be adjusted in a lower portion 62 at the required level. In filling the tank, beer is first flowed in through a spring valved opening 27 and the final filling is through the inlet 46. Specification 518,446. [Group XVIII] is referred to.
Patent GB-685073-A (GB)
Title: Improvements in or relating to radio aerial systems for use on ultra short wave lengths
Inventor: WELLS EDWARD MARSHALL
IPC: H01Q5/00
Filed: 1950-05-25
Abstract: 685,073. Aerials. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. March 2, 1951 [May 25, 1950], No. 13206/50. Class 40 (vii). A short-wave aerial system for horizontally polarized waves having a substantially omnidirectional polar radiation diagram concentrated in a predetermined plane comprises an outer conductor of circular section, a plurality of inner circular conductors coaxially within the outer conductor, the common axis of the conductors being at right-angles to the predetermined plane and each of the inner conductors extending beyond the end of the conductor next surrounding it and being provided at its end with an outwardly extending flange portion. The conductors are so dimensioned and spaced that energy may be propagated in the spaces between them in the HO 1  mode, radiation being effected substantially omnidirectionally outwards through the spaces between the flanged portions. As no standing wave patterns are produced in the feed arrangement the aerial system is not sharply frequency critical. Fig. 1 shows a simple embodiment in which all the flanges extend to the cylindrical plane of the outer conductor and 45 degrees corner pieces such as 4 are provided to effect the change in the direction of energy propagation in steps. Right-angled corners may also be avoided by providing a smooth radius at the junction of the conductor and flange. In a modification, Fig. 2 (not shown), the outer conductor carries a flange, the edges of all the flanges being on a cylindrical surface coaxial with the conductors, and the flanges are made thick at their inner ends and then at their edges to provide internal coned surfaces to the radiating elements. Another embodiment, Fig. 4 (not shown), shows centrally apertured discs of solid dielectric material fitted between the flanged portions. These discs may extend outwardly beyond the flanges and may be tapered down towards their peripheries to assist in concentrating energy in the predetermined plane. In any of the embodiments described, radial conducting fins 7 may be provided between the flanges to provide mechanical support and to act as mode filters. The feed at the non-radiating end of the system may be from a single circular guide and it is stated to be desirable to keep the length of the nest of coaxial conductors as short as possible and the electrical length of the separate conductors equal.
Patent GB-649974-A (GB)
Title: Improvements in or relating to process of impregnating kerantinous filaments
IPC: D06P3/30
Filed: 1947-05-16
Abstract: Keratinous filaments such as hair and wool, as such or in the form of wool fabrics, are treated according to the process disclosed in the parent Specification (Group IV (a)) with an acid reacting aqueous solution, preferably of pH 0.3 to 3.0, containing free resorcinol or pyrogallol and a free aldehyde reactive therewith such as formaldehyde, polymers of formaldehyde, acetaldehyde, crotonaldehyde, benzaldehyde or furfural, both of which remain substantially unreacted at the beginning of the process.  The weight of resorcinol or pyrogallol is 1 to 10 per cent, and preferably 5 to 7.5 per cent by weight based on the wet material and the molecular ratio of aldehyde to resorcinol or pyrogallol is at least 2 : 1 and preferably between 2 : 1 and 6 : 1.  The Specification as open to inspection under Sect. 91 states that the resorcin or pyrogallol may be wholly or in part replaced by nuclear substituted derivatives thereof, e.g. hexyl resorcinol, tertiary octyl resorcinol, benzyl resorcinol, phenyl resorcinol and methoxy resorcinol.  This subject-matter does not appear in the Specification as accepted.
Patent GB-500088-A (GB)
Title: Improvements relating to railway rail chair assemblies
IPC: E01B9/32
Filed: 1937-11-05
Abstract: 500,088. Insulating rails. COLVILLES, Ltd., and MACBRIDE, R. W. Nov. 5, 1937, . Nos. 13253 /38 (divided application), and 13255 /38. [Class 104 (ii)] In a rail-securing assembly comprising clamps 7 for holding the rail on a chair or sleeper by means of L-shaped bolts 5 engaging jaws 2 on the chair or sleeper, and insulation 13, 14 between the rail and the chair &c. and clamps, a removable shield 20 with depending sides 23, 24 is provided over the clamps to prevent access of water to the insulation. The insulation may consist of an organicplastic bonded fibrous material, such as paper or fabric impregnated with a synthetic resin, and a layer 20a may be inserted between the head of the rail and the upper end of the shield. In another form; the insulation 14 may be of T-shape, with the leg arranged horizontally between the upper face of the rail flange and the under side of the clamp. Specification 470,027 is referred to.
Patent GB-1132524-A (GB)
Title: Position indicating devices
IPC: G05B24/02
Filed: 1966-03-25
Abstract: 1,132,524. Measuring position photoelectrically. ALLMANNA SVENSKA ELEKTRISKA A.B. March 25, 1966 [March 27, 1965], No. 13255/66. Heading G1A. [Also in Division G3] The change in position of an object 22 or part of an object e. g. a moving strip 22 of steel or an illuminated paper web, is monitored by repetitively scanning light from the object across the field of view of a photo-cell 5 using an oscillating mirror 3, the output signal of the photo-cell being utilized in order to adjust the mean position of the mirror. The output J of the photo-cell comprises an A. C. waveform limited at maximum (J max ) and minimum (J min ) amplitude values by D.C. parts, due to the light directed from the mirror 7 falling outside the field of view 2#α of the photo-cell, Fig. 3 (not shown). The photo-cell output is applied to two parallel circuits. The first, a rectifier circuit 7, produces an output representative of the algebraic mean value J m  of the photo-cell output J where J m  = J max  + J min . 2 The second, a low pass filter 8 (passing D.C. and part of the fundamental frequency of the supply current) produces an output representative of the time mean value J, such that #J = 1/T  <SP>T</SP># 0  I dt, T being a particular time and I the instantaneous value of the photo-cell output. When the mean position of the mirror is symmetrically located with respect to the centre of the object, the field of view of the photo-cell is also located symmetrically within the area scanned by light reflected from the mirror and the values J m  and J are equal. If the object 22 is displaced sideways J m  and J are no longer equal. The difference between these values is obtained by feeding the outputs of circuits 7 and 8 to a device 9 (a summation or subtraction device) and this difference value integrated in amplifier 10, the output of which is fed to a galvanometer 4 which gives an indication of the change in position of the object or to a device 4 which controls movement of the mean position of the mirror to equalise J m  and J again. The output of amplifier 10 can also be used in a control function to influence the object before introduction into the system e.g. if the position of an edge of a strip is investigated, its speed, or the tensile force of the reel can be controlled. In order to detect if the object is outside the scanning field of the mirror 3, the output of the photo-cell is also fed to a band-pass filter 12, passing only the fundamental A. C. frequency, which is rectified at 13 and the signal level is sensed at 14. If the signal falls beneath a predetermined level, the amplifier 10 is switched out of circuit and a sawtooth circuit switched in, causing the mirror to be rotated until the object is located again, when the predetermined level is retained and the apparatus switched back to normal operation. The sensitivity of the apparatus is controlled by comparing the fundamental A. C. signal from amplifier 10 with a reference signal (using devices 27, 28) to adjust automatically the amplification of amplifier 10.
Patent GB-311929-A (GB)
Title: Improvements relating to electrical measuring or indicating instruments
IPC: G01R1/42
Filed: 1928-05-05
Abstract: 311,929. Amberton, R., and Electrical Apparatus Co., Ltd. May 5, 1928. Recording. - In a measuring instrument an electrical heating element moved in accordance with the movement of the indicating pointer is so disposed with respect to a record-surface that a scorching or discolouration thereof is produced after the heating element has remained in one position for a predetermined time. This arrangement enables the maximum reading that has persisted during a predetermined period to be recorded. As shown in Fig. 1, applied to an ampere meter of the ordinary moving iron type the pointer b moves over a scale c and carries a small coil e of refractory wire sweeping over a slot d in the scale plate. Beneath the slot is a strip of paper f wound from a roller g on to a roller h by manipulating knob k. The distance between the coil and paper strip is so arranged that momentary changes in value of the current are not recorded the scorching or discolouration being produced only when a current value has been maintained for an interval of time. The paper strip may be moved every three months so that records l of maximum demand during a quarter are produced. To keep the heating effect of the current constant it is caused to depend on the supply voltage. The coil e may be cannected, as shown in Fig. 2, across the mains m, n in series with a high resistance o and flexible connections p. The coil may be heated by connecting it to the secondary winding of a transformer which may be attached to the moving system of the instrument. Ordinary paper may be employed or it may be first chemically treated or other material may be used which can be easily discoloured by heat.
Patent GB-290441-A (GB)
Title: Improvements in latch-bolts
IPC: E05B15/04
Filed: 1927-05-18
Abstract: 290,441. Legge, J. E., and Legge & Co., Ltd., J. May 18, 1927. Latches, sliding. - Latch-bolts B, having a head A pressed out by a spring D, are engaged by lateral spiral springs having a common centre-line with the latch bolt. The lateral springs are connected to lugs G on the bolt and studs H on the casing.
Patent GB-693440-A (GB)
Title: Improvements in or relating to conveyor systems
IPC: B65G47/61
Filed: 1950-05-26
Abstract: 693,440. Endless conveyers. KING, D. M. May 7, 1951. [May 26, 1950] No. 13327/50. Class 78 (i). In a conveyer of the kind in which a plurality of load carriers 13 are conveyed along a supporting track 10 by an endless chain 12, each carrier is provided with a movable loadsupporting platform 15 comprising a frame carrying load-engaging rollers 16, said platform being so supported on the portion 14 of the carrier that it is capable of a limited movement relatively thereto in a horizontal plane and subsequently of a downward hinge movement so as to form a ramp down which the load will slide. The side members of the frame constituting the platform 15 are hinged at 17 so that when the platform is displaced horizontally by the endless belt 21, its front portion will incline downwardly, being supported by an extension 18 on the portion 14 of the carrier. A mechanical thruster may be used instead of the belt 21. Means (not shown) are provided for limiting the movement of the platform. The operation of the endless belt or mechanical thruster is preferably automatic, being rendered operative as each carrier approaches or reaches the desired unloading station, as, for example, described in Specifications 595,599 and 622,144. Instead of the side members of the platform being hinged, the platform may be provided with pins which engage in channels at each side of the platform. The rollers 16 may be mounted so as to run on runways incorporated in the carrier 13. The unloading may be effected transversely with respect to the direction of travel of the conveyer. A pair of rollers 19 on each carrier 13 co-operate with fixed rails 21 to maintain the carrier steady during discharge of the load.
Patent GB-1080087-A (GB)
Title: Film depositing apparatus
IPC: B21B45/02
Filed: 1966-03-25
Abstract: Apparatus (Fig. 1) for depositing a film of material on band or sheet stock (26) comprises an application roller (22) a spraying device (20) to spray the material on the roller, a switch (38) operated at intervals dependent on the speed of the roller and arranged to initiate the operation of the spraying device and a settable timer (44) enabling the duration of operation of the spraying device during each interval to be set independently of changes in the speed of the roller.  The spraying device preferably consists of a number of separate nozzles (40) distributed over the length of the roller with means for selecting one or more nozzles for operation according to the width of the band and the switch is operated, preferably by a cam (36) driven from the roller (22), the switch being actuated once per revolution of the cam.  The timer (44) is preferably set manually and the roller (22) is covered with absorbent material e.g. felt. A pair of rollers may be so arranged to coat both sides of the stock (Fig. 3).ALSO:Apparatus (Fig. 1) for depositing a film of material on band or sheet stock (26) comprises an application roller (22), a spraying device (20) to spray the material on the roller, a switch (38) operated at intervals dependent on the speed of the roller and arranged to initiate the operation of the spraying device and a settable timer (44) enabling the duration of operation of the spraying device during each interval to be set independently of changes in the speed of the roller.  The spraying device preferably consists of a number of separate nozzles (40) distributed over the length of the roller with means for selecting one or more nozzles for operation according to the width of the band and the switch is operated preferably, by a cam (36) driven from the roller (22) the switch being actuated once per revolution of the cam.  The timer (44) is preferably set manually and the roller (22) is covered with absorbent material e.g. felt.  A pair of rollers may be so arranged to coat both sides of the stock. (Fig. 3).
Patent GB-324594-A (GB)
Title: Improvements in or relating to bearings for engine shafts
IPC: F16C9/02
Filed: 1929-04-30
Abstract: 324,594. Birkigt, M. March 14, 1929, [Convention date]. Cooling lubricant.-An engine shaft casing a formed of upper and lower halves bolted together has partitions c with double walls forming around the bearings, chambers d through which cooling air is circulated. Oil conduits j pass through the cooling chambers d and may be connected to a common conduit k.
Patent GB-781519-A (GB)
Title: Acetoxymethylheptamethylcyclotetrasiloxane and oils prepared therefrom
IPC: C07F7/21
Filed: 1955-05-09
Abstract: A new compound, acetoxymethylheptamethylcyclotetrasiloxane, having the formula <FORM:0781519/IV (a)/1> is prepared by reacting iodomethylheptamethylcyclotetrasiloxane with silver acetate.  The iodo-tetramer is prepared by reacting the chloromethylheptamethylcyclotetrasiloxane with sodium iodide in a solvent, e.g. acetone.  The preparation of the acetoxy tetramer may be effected in an acid medium, preferably an organic acid such as glacial acetic, using equimolecular amounts of the reactants. Temperatures of 50 DEG  to 100 DEG  C. are used and the mixture may be refluxed.  The product may be extracted with ether. The compound is useful as an hydraulic fluid and lubricant additive and for the preparation of polysiloxane oils which form good lubricants.  These polysiloxanes, which may be linear or branched-chain, are prepared by equilibrating the acetoxy tetramer with a trimethylsilyl chain-stopped polysiloxane of unit formula <FORM:0781519/IV (a)/2> where R is alkyl or phenyl, and a has an average value greater than 2 but not more then 3, to which may be added a cyclic polysiloxane, in the presence of conc. sulphuric acid.  Specified copolymerizable siloxanes are hexamethyldisiloxane, decamethyltetrasiloxane and octadecamethyloctasiloxane; and hexamethylcyclotrisiloxane, octamethylcyclotetrasiloxane and decamethylcyclopentasiloxane. Specification 586,187, [Group IV], is referred to.
Patent GB-354808-A (GB)
Title: Improvements relating to the propulsion of multi-wheeled vehicles
IPC: B60K17/14
Filed: 1930-05-01
Abstract: 354,808. Electrically-propelled vehicles. FOWLER, C. H. and WALKER, H., of Steam Plough & Locomotive Works, Leeds. May 1, 1930, No. 13430. [Classes 79 (iii) and 79 (iv).] A multi-wheeled road vehicle, having quadruplet wheel sets each comprising pairs of wheels mounted at opposite ends of a rocker member and independently rockable about its longitudinal axis whilst the rocker member itself is rockable about an axis transverse to the vehicle, is provided with electrical propelling means wherein each wheel required to act as a driving wheel is provided with an electric motor mounted directly upon or in connection therewith so as to be able to follow the deviations of the wheel axis. The rear part of the vehicle shown is carried by two sets of four wheels each set comprising front and rear pairs of wheels a on axles b rockable on the ends of longitudinal stub axles c carried by a sleeve d loose on a fixed transverse axle e carried by the frame. The wheels a are driven by electric motors f disposed within the rims and energized from a generator h, the conductors g passing through bores in the axles e, c and b. The motors mav be connected in series to produce a differential driving effect. Motors may be arranged in the front or rear pairs of wheels only.
Patent GB-1426048-A (GB)
Title: Tuning arrangements
IPC: H01J23/20
Filed: 1972-03-22
Abstract: 1426048 Cams EMI VARIAN Ltd 21 March 1973 [22 March 1972] 13445/72 Heading F2K [Also in Divisions H3 and H1] The movement of an axially reciprocable tuner spindle or plunger 1 for tuning cavities incorporated in discharge devices such as magnetrons or klystrons is controlled by an adjustable contour cam engaging a cam follower portion 2 of the plunger 1 which is spring- loaded against the cam, the adjustable contour cam comprising a stack of cam plates 10-17 slidably splined on sleeve members 8, 9 which are slidably mounted in a U-shaped anchored retainer 18 serving to axially locate the cam stack 10-17. The sleeve members 8, 9 are mounted on a tubular member 6 having an integral externally splined selection disc 7 against which the sleeve members 8, 9 abut, the tubular member 6 being carried on a spindle 3 to which it and a control knob 4 are secured by a grub screw 5. After initial assembly of the cam unit each of the cam plates 10- 17 is individually set to its desired angular setting about spindle 3 by manually moving the selector disc 7 rightwardly via knob 4 to splinably engage each cam plate, starting with cam plate 10, and then rotating knob 4 to turn the engaged cam plate to its required setting, the sleeves 8, 9, also slidably splined in the retainer 18, serving to non-rotatably anchor the remaining cam plates during each individual cam plate setting. When all the cam plates 10- 17 have been set to give an over-all cam profile for a specific variable tuning result the knob 4 is further pulled rightwardly to disengage the selector plate within a recess 18a in the retainer 18, and engage a gear wheel on the end of the sleeve 8 with a gear drive to rotatably drive the sleeve 8 and stack of cam plates splinably locked thereon to produce a cyclic variation of the tuning in accordance with the predetermined over-all cam profile setting, the sleeves 8, 9 being freely rotatable in the retainer 18 only in this final extreme rightward end setting of the knob 4. An indexing scale may be provided to show the angular setting of the over-all cam profile, and hence the tuning produced. Instead of the tuner spindle 1 executing one full cycle of motion for one full revolution of the sleeve 8 with the regularly varying cam profile thereon (as shown), the over-all cam profile can be arranged to cause the tuner spindle 1 to move in a series of pseudo-random steps to effect so called "dithering" of the cavity tuning. When used for tuning a klystron amplifier having several cavities, a common drive source may be employed for synchronous rotation of all the cam sleeves 8 of the several cavities, the cavities being tuned separately by their own cam tuning profile which need not necessarily be the same for each cavity.
Patent GB-1134971-A (GB)
Title: An aircraft engine fuel supply line shut-off device
IPC: F01L1/00
Filed: 1967-03-22
Abstract: 1,134,971. Valves. J. SPATENEDER. 22 March, 1967 [28 March, 1966], No. 13473/67. Heading F2V. A shut-off device for an aircraft fuel supply line 1 comprises a valve 4 having an operating lever 3 which is movable between an operative and an inoperative position, and switch means 5 incorporated in the starter motor circuit so that the latter is operative only when the operating lever is in its operative position. When the operating lever is turned through 90 degrees to the operative position shown, a plunger 6 is pressed down to close the switch to enable the engine to be started by the usual push-button.
Patent GB-213463-A (GB)
Title: Electric ignition system for gas burners
IPC: A21B1/00
Filed: 1923-05-22
Abstract: 213,463. Banzhaf, E. T. May 22, 1923. Perforated - tube burners. - A g a s burner comprises a metal pipe 21, provided with an irregular slit outlet 22.