baber/WOPTO huggingface dataset:
Patent GB-353617-A (GB)
Title: Improvements in or relating to metallic pit props
IPC: E21D15/12
Filed: 1930-06-05
Abstract: 353,617. Mine props. WHITEHOUSE, R. H., The Gables, Walsall Road, Church Bridge, near Cannock, Staffordshire. June 5, 1930, No. 17366. [Class 20 (ii).] Collapsable mine props, of the type comprising an upper sliding member mounted in a socket portion at the head of a lower prop member, has the sliding member actuated and supported by a lever 7 mounted in a transverse slot in the lower prop member, the lever being provided with a cam-shaped portion 7a to contact with the sliding member 9 of the prop. A locking sleeve 8 of frusto-conical shape is adapted to slide on the lower prop member to lock the lever in actuating position, the conical portion of the sleeve contacting with a corresponding portion on the lower prop member. In a modification, no locking sleeve is used, and the lever is longer and provided with an apertured end whereby a hauling rope may be attached for releasing the prop.
Patent GB-1497367-A (GB)
Title: Combination neutron-gamma ray detector
IPC: G01T3/06
Filed: 1976-04-30
Abstract: 1497367 Composite radiation detectors UNITED STATES ENERGY RESEARCH & DEVELOPMENT ADMINISTRATION 30 April 1976 [24 June 1975] 17651/76 Heading GIA [Also in Divisions C4 and G6] Apparatus for detecting, and distinguishing between, neutron and γ radiation, comprises: a photo-multiplier 12; a scintillator 14 comprising first and second materials 15, 16 mainly sensitive to neutron and γ radiation respectively; means 24 receiving a first output 22 from the photomultiplier 12 to provide a signal 28 responsive to the presence of scintillations in one of the materials; and selection means 29 receiving a second output 32, 33 from the photo-multiplier 12 and responsive to the signal 28 to provide an output 38 or 39 representing the scintillations in the one material. A polyvinyltoluene matrix 16 enriched with γ sensitive scintillator materials contains about 1.7 wt. per cent of embedded silicate glass beads 15  of sizes between 0.5 and 1mm. activated with cerium and containing Li enriched with <SP>6</SP> Li. Neutrons, thermalized by the PVT matrix 16 and having a mean free path of 0.6-0.7mm. in the glass, are readily captured by the glass beads 15, interacting at an energy level of 4.79 MeV. By contrast, because of the size and separation of the beads, γ-rays interact with them at a much lower energy level. A further distinction lies in the rise times of the PM pulses which depend upon the decay time-constants of the materials: 75ns for glass compared with 2.4ns for PVT. The PM anode output 22, loaded to provide a suitable pulse decay time-constant, therefore provides pulses which can switch a discriminator 24 to one of two states depending upon the size and shape of the pulses, typical ones of which are illustrated in Fig. 2. A second PM output 32 Fig. 1, taken e.g. from the last dynode, provides an input signal 33 to a coincidence gate 29 switched by the discriminator 24 to provide selected outputs on lines 38 and 39 representing respectively neutron interactions with the glass beads 15 and γ-ray interactions with the PVT matrix 16.
Patent GB-557094-A (GB)
Title: Lubricating devices for sewing machines
IPC: D05B71/02
Filed: 1942-04-30
Abstract: 557,094. Sewing machines. FAIRWEATHER, W. C. (Singer Manufacturing Co.). April 30, 1942, No. 17688. Divided out of 557,081. [Class 112] [Also in Group XXXIV] The thread carrier raceway 22 of a rotary loop-taker 19 in a sewing machine is lubricated from an inclined bore 41 in the loop-maker shaft 28. The oil drops from a duct 86 through ducts 53, 52 in the bed-plate 10 and sleeve 48 to the sleeve opening 47 whence it is fed by a helical thread 46 on shaft 28 to an end recess 51 left by the closure disc 49 and thence to the bore 41. The bore is concentric with the shaft at the end near the disc 49 and terminates eccentrically at the other end in an aperture 43 leading to a groove 42 in the shaft and ducts 44, 45 in the loop-taker, ending to the raceway 22. The inner end of sleeve 48 is cut away centrally to form a by-pass 54 between the sleeve and the bearing so as to drain oil to the reservoir 31 where the machine is not working. The lubricant reservoir and sight feed are carried by a hollow bracket-arm standard, as described in Specification 557,081. Specification 557,096 also is referred to.
Patent GB-231725-A (GB)
Title: Menu and like card holders or stands
IPC: G09F1/14
Filed: 1924-07-25
Abstract: 231,725. Barise, Ltd., and Wise, O. E. July 25, 1924. Actuating.-A menu &c. card stand is provided with a number of advertising panels g, h, normally concealed but adapted to be automatically projected into view when the stand is lifted. A flat card holder a is slidably mounted on a standard c having a heavy base d, two side panels g and a top panel h, arranged to slide through slots in the holder, being connected to the standard by a pair of cross levers j, i, and a lazy-tongs system k respectively.
Patent GB-111553-A (GB)
Title: Improved Governing Mechanism for Internal Combustion Engines.
Inventor: MATHOT RODOLPHE EDGARD
IPC: F02D9/00
Filed: 1916-12-11
Abstract: 111,553. Mathot, R. E. Dec. 11, 1916. Transmitting - mechanism. - A device through which a governor controls the stroke of an admision valve of an internal-combustion engine without varying the instant of admission, moves out of contact with parts connected to the governor as soon as the valve is operated, so that reaction of the valve gear on the governor is avoided. An arm n operated by the governor engages an arm m to swing a radius rod e about its pivot f on the valve lever g, so that its end moves to different positions along a pivoted link a operated by a cam c. When the valve k is opened by the cam the plate m lifts clear of the arm n to prevent reaction on the governor. The plate m is pivoted at l and a spring p absorbs shocks occuring when the parts m, n come into contact. A single governor may be used to control a number of valves.
Patent GB-949900-A (GB)
Title: A swash-plate-type hydraulic pump or motor
IPC: F01B3/00
Filed: 1962-05-09
Abstract: 949,900. Reciprocating motors or pumps. LICENTIA PATENT-VERWALTUNGS G.m.b.H. May 9, 1962 [May 15, 1961], No. 17827/62. Heading F1A. In an axial-piston motor or pump having a tiltable cylinder carrier 4 connected to a rotating drive flange 1, and individual cylinders 6 connected through hollow pistons 9 to ports in drive flange 1, the ball 8 at the end of each piston is mounted in a two-part bearing 10, 11 carried in a cylindrical recess in the drive flange 1 and held in position by a ported control surface-forming plate 12 removably attached to flange 1 by screws 13. Bearing 10, 11 may be of bronze alloy and control plate 12 of heattreated steel.
Patent GB-1465676-A (GB)
Title: Movement control systems
IPC: H02P3/10
Filed: 1974-04-11
Abstract: 1465676 Automatic control INTERNATIONAL COMPUTERS Ltd 11 April 1974 [13 April 1973] 17868/73 Heading G3N [Also in Divisions H2 and H3]  A system for controlling the movement of paper in a line printer towards a required stopping position includes a counter 40 representing the displacement from the required position, a circuit 42 which is responsive to the counter output to produce a signal representative of a desired velocity profile, a circuit 46 for producing an actual velocity signal, a comparator 44, and means responsive to the output of the comparator to increase or decrease the magnitude of reverse current braking applied to a drive motor 50 so that the actual velocity follows the desired velocity profile. As described, counter 40 counts down only over the last four lines up to the required stopping position. To start motor 50, a signal is applied on line 97 to bi-stable 98 which switches on transistor T1 so that the motor is driven from a supply 5 1 through SCR2, diode 54 and transistor Tl. When the required position is being approached and the actual velocity signal exceeds the desired value the comparator output on line 49 to bi-stable 98 renders Tl non-conductive and after an inductive surge has occurred SCR2 is rendered non-conductive and SCR1 conductive. Transistors T2-4 in series with respective resistors R2-4 in the braking network for the motor are selectively switched on and off by outputs 57, 58, 59 of a shift register 60 to ensure that the actual velocity follows the  desired velocity curve. An arrangement is envisaged in which a similar resistive network replaces transistor T1 to determine the accelerating drive current. Counter 40 is operated by signals from photocells 14, 15, 16 associated with tracks 11, 12, 13 on an encoder disc 10 mounted on the drive-shaft of motor 50. Circuit 42, which produces a step voltage waveform Fig. 3 (not shown), comprises a plurality of selectively switchable parallel resistors Fig. 4 (not shown).
Patent GB-1149345-A (GB)
Title: Electron gun
IPC: H01J29/48
Filed: 1966-04-25
Abstract: 1,149,345. Electron guns. SONY CORP. 25 April, 1966 [26 April, 1965], No. 17911/66. Heading H1D. An electron gun, especially for a colour television tube of the " Chromatron " (Registered Trade Mark) type, comprises a tetrode system in which the aperture of the accelerating electrode G2 has a diameter d 2  at least twice, and preferably four times, the diameter d 1  of the aperture of the control grid G 1 . The main convergence system is a unipotential lens G 3 , G 4 , G 5  and both the accelerator electrode G 2  and focusing electrode G 4  are grounded to serve as conductors for spurious discharges. The diameters d 3 , d 3 <SP>1</SP> of the apertures of first high voltage electrode G 3  are about twice the diameter d 1  and the diameter d 5  of the aperture of the second high voltage electrode G 5  is about three times d 1 . Specific dimensions are given. A pre-focusing convex lens is produced between accelerator electrode G 2  and first high voltage electrode G 3  and a concave lens in the vicinity of the aperture h 3 , the overall effect of the two lenses being weakly convex to assist prefocusing and to reduce spherical aberration.
Patent GB-562206-A (GB)
Title: Improvements relating to the supply of single phase alternating electric current load circuits from three-phase supply circuits
IPC: H01F30/14
Filed: 1942-12-17
Abstract: 562,206. Phase changing. WESTING- HOUSE BRAKE & SIGNAL CO., Ltd., and WALKER, A. H. B. Dec. 17, 1942, No. 17938. [Class 38 (ii)] An arrangement for supplying a single phase load L from a three-phase network R, B, Y and maintaining a balance of load thereon comprises at least two transformers having their primaries 1, 2 star-connected to at least two of the lines and their secondaries 3, 4 connected in series and to the load, one of the primaries having a condenser C in shunt therewith and all the transformer cores operating at saturation at full load. To avoid the limitation of a 2-to-1 secondary to primary ratio inherent in arrangements using only two transformers, a third transformer 5, 6, Fig. 3, may be used to supply the voltage component otherwise provided by the line R. A reactance X may be provided in series with the condenser C to form a circuit tuned to the third harmonic so as to byepass magnetizing current of this frequency.
Patent GB-237265-A (GB)
Title: Improvements in or relating to boxes for containing smokers' requisites
IPC: A24F23/04
Filed: 1925-07-15
Abstract: 237,265. Miller, F. H. July 17, 1924, [Convention date]. Partitioned boxes; fittings, internal; lids. - A box with a compartment 10 for tobacco and a compartment 5 for holding an ordinary box of matches has a hinged lid 4 provided, either on the inside or the outside, with a holder 13 for cigarette papers adapted to be withdrawn singly through a slot. A finger opening 9 allows the tray 7 of the match-box to be pushed through an opening 6, and the striking-surface is exposed through an opening 8. A hole 17 facilitates removal of the match-box when empty. The lid 4 is hinged to the body of the box by lugs 15, thus preventing the hinge-joint from being jammed by loose tobacco. The Specification as open to inspection under Sect. 91 (3) (a) comprises also a statement that a projection 18 may be provided on the lid 4 in such position as to press the match box into place. This subject-matter does not appear in the Specification as accepted.
Patent GB-638799-A (GB)
Title: Push-type centrifuge
IPC: D06F39/00
Filed: 1948-07-06
Abstract: 638,799. Centrifugal separators. ESCHER WYSS MASCHINENFABRIKEN AKT.- GES. July 6, 1948, No. 18149. Convention date, July 11, 1947. [Class,23] In a strainer separator in which a cake 9 of treated material is discharged by a plate 3 reciprocating axially within the drum, washing liquid is supplied between rotatable partitions 4, 7 which are in contact with the cake. The partitions are carried by the plate 3 which rotates at the same speed as the drum. The partition 4 separates the washing liquid supplied through a pipe 8 from the material to be treated supplied through a pipe 6. Where more than one washing liquid is used additional partitions are fitted.
Patent GB-961242-A (GB)
Title: Improvements in or relating to the securing of articles to sheet material
Inventor: MCGEE EWARD CHARLES
IPC: B21D39/03
Filed: 1962-05-11
Abstract: 961,242. Perforating; punches; riveting. BELLING & LEE Ltd. May 3, 1963 [May 11, 1962], No. 18156/62. Headings B3U and B3W. [Also in Divisions F2 and H2] A method of securing an article of rectangular cross-section to sheet material comprises positioning an article of said cross-section separated by a flange also of rectangular cross-section from an insert of generally curvilinear crosssection, with the leading face of the insert in contact with the sheet material and subjecting the insert and sheet to the action of a punch and a die having a cutting edge of circular contour so that the insert makes its own aperture in the sheet material. A wrapped wire terminal post consists of a spigot 1, a flange 2 and an insert 3 of rounded cruciform shape in cross-section. The spigot 1 is received in a punch 6 so that the insert co-operates with a die 10 to perforate a piece of sheet material 5. The die-opening 12 is circular and equal in diameter to the mean diameter of the insert, Fig. 3, so that as the leading face of the insert reaches the die four portions 16 are peened over to assist in anchoring the part. In a modification, the insert is of circular crosssection. The article is preferably made of a nickel-copper alloy. Specifications 776,373 and 934,157 are referred to.
Patent GB-512006-A (GB)
Title: Machine for vending bottled beverages
IPC: G07F11/58
Filed: 1938-06-18
Abstract: 512,006. Endless-chain conveyers. DEHN, F. B. (Mills Novelty Co.). June 18, 1938, No. 18194. [Class 78 (i)] [Also in Group XVIII] In a machine for vending 'bottled goods the bottles 50 are moved step-by-step in an upright position and partly immersed in a cooling liquid 41, Figs. 2 and 3, in a casing 26 to a position beneath a delivery opening in the cover 33 of the casing by a conveyer which is suspended from a frame 35 resting on top of the walls 30. of the casing. The conveyer consists of a chain 46 having depending clips 49 for gripping the necks of the bottles, and rollers 48 travelling on a rail 37 carried by brackets 36 depending from the frame 35, the arrangement allowing the conveyer to be lifted bodily from the casing. The chain passes round idler sprockets 51 ... 54 and is driven by a sprocket 55 through the distance between two bottles by ratchet gear actuated from a vertical shaft 59 which is turned through one revolution at each actuation by an operating handle. The shaft 59 carries two arms 102, 103, the arm 102 being connected by a link 104 and bell-crank lever 106 to a shaft having a pawl-lever engaging a ratchet wheel attached to the sprocket 55. The drive of the sprocket takes place during the first half-revolution of the shaft 59, the arm 103, during the second half-revolution, engaging a lug 117 on a slidable rod 120 to actuate an elevator for lifting the positioned bottle through the delivery opening. The rod 120 is connected by a block-and-tackle arrangement, giving a four to one velocity ratio, to a chain 124, Fig. 17, which raises an elevator carriage 129 slidable on rods 132. The carriage engages a lower corner of the bottle 50 and tilts it to disengage its neck from the supporting claw 49, a lever 137 pivoted to the carriage being actuated during the lift to move the bottom of the bottle laterally until the bottle meets a guide 141. The elevator then pushes the bottle through a pivoted door 144, past a pair of hooked springy supporting fingers 193 and through a cleaning squeegee 45 until its neck projects through the delivery opening 43.
Patent GB-339999-A (GB)
Title: Improvements relating to cylindrical brushes for use in combing machines for combing cotton and other fibrous materials
IPC: D01G19/22
Filed: 1929-06-14
Abstract: 339,999. Wilde, J. K. Jan. 14, 1929. Securing rotary brushes on shafts.-The invention relates to cylindrical brushes for use in combing-machines and in their alignment with driving members on a shaft. The brush stocks are in one piece with end collars characterized in that the collars such as c, Fig. 3, are made to enter and engage the substance of the stock as at d and be flush with the end #, and may form linings bounding or covering wholly or in part notches g for engaging driving members j, Fig. 11, on the shaft carrying the brushes. In this way accuracy of alignment is assured even when the wood of the stock shrinks. In one example, Figs. 1 and 3, the collar c also has projections h extending inwardly to engage the stock. Notches g at one end of the stock arranged at right angles to similar notches at the other end of the stock. The collar c may also have indentations punched on its circumference to fix it more securely on the stock. The stock a is fixed on the shaft by two driving- collars j, Fig. 11, provided with projections m to engage the notches g in the stock. In a modification, Fig. 4, a driving-collar o has a circumferential part p for surrounding the member c. In another modification, Fig. 7, a collar q covers the outer ends of the notches 9 so that the projections m on the driving-members bear laterally against them and prevent axial movement. In another modification, Fig. 9, a collar r is provided, as shown, flush with the full end of the stock, which is not reduced in diameter. The notches s are bounded by inturned parts v at the sides only to afford bearing for the driving- members.
Patent GB-1009729-A (GB)
Title: Valve devices for controlling liquids
IPC: F15B13/04
Filed: 1962-05-12
Abstract: 1,009,729. Valves. C. L. W. ABEGGLEN. May 12, 1962, No. 18362/62. Heading F2V. A three-way valve comprises a tubular element 5, Fig. 1, with a radial aperture 5c, a valve 5a rigid with the element and a valve 6 controlling the bore in the element. When the valve 6 is moved to the right by means of its stem 6a it opens the valve 5a to put an inlet port 1 into communication with a service port 2 while movement to the left places the latter port in communication with an exhaust port 3 through the radial aperture 5c. The element 5 may have an apertured tubular extension to the right of the valve 5a to surround a portion 7 of the valve 6 or the valves may be reversed so that port 3 is controlled by the valve 5a and port 1 by the valve 6. In Fig. 3, the valves 5a and 6 are urged on to their seats by springs 10 and 9 respectively. The valve 5a may function as a pressure regulator for flow between the ports 1, 2 and is biased to the open position by springs 13, 14, Fig. 5, while the valve 6 functions as a relief valve for flow between the ports 2, 3 and is loaded to the closed possition by springs 12, 13.
Patent GB-776968-A (GB)
Title: An improved process for the manufacture of phosphonitrogenous fertilizers
IPC: C05B11/06
Filed: 1952-07-21
Abstract: In the manufacture of fertilizers by the action of nitric acid alone or in admixture with other acids, on natural phosphate and the ammoniation of the resulting acid solution to convert all or part of the calcium nitrate into ammonium nitrate, the reaction mixture or the acids fed thereto are cooled by indirect heat exchange with liquid ammonia and at least part of the gaseous ammonia so obtained is employed in the ammoniation step.  As shown in the <PICT:0776968/III/1> <PICT:0776968/III/2> drawing (Fig. 1) phosphate and acid are fed to an aciid resistant vat 2 provided with a stirrer 3.  The acids employed, nitric acid and sulphuric or phosphoric acids are sent from containers 13 and 14 to a mixing tank 15 and from thence through a coil 16 immersed in liquid ammonia contained in a vessel 12.  The cooled acids are fed to the vat 2 and the ammonia, fed to the vessel 12 from a storage tank 11 is vaporized and the vapours are passed through valves 19 and 20 to ammoniation vats 5 and 6 to which the acid/phosphate mix from the vat 2 is fed in succession. Alternatively the cooling of the acids may be effected by flowing ammonia through the coils 16 which are then immersed in a bath of acid.  According to one alternative embodiment (Fig. 2) the ammonia is employed to cool the reaction mixture itself. Phoshpate and acids are fed to a vessel 21 from sources 23, 24, and 25, and ammonia is fed from a tank 29 through pipes 30 and 31 dipping into the reaction mixture.  The vaporized ammonia is passed through lines 32 and 33 to the ammoniation vats 27 and 28.  The preferred temperature in the reaction vessel is 50 DEG C. and to this end the temperature of the acids employed may be reduced to -10 DEG C.
Patent GB-326423-A (GB)
Title: Improvements in or relating to machines for reamering the yarnspindle holes in the bolsters of spinning mules
IPC: B23D75/00
Filed: 1929-06-17
Abstract: 326,423. Fine Cotton Spinners' & Doublers' Association, Ltd., and Hutchins, F. June 17, 1929. Drilling-machines, especially for reamering spindle holes in the bolsters of spinning-mules, comprise a tool 30 mounted in a holder on a shaft 29, rotated by spur gearing 27, bevel gearing 24, and worm gearing 21 from a flexible shaft 19, the gearing &c. being mounted in a casing 10, 12, 15, the forward portion of which, carrying the tool, is shaped to enter confined spaces. Columns 33 and 34 extend down from the casing and carry a member 35 having an extension 36 which carries a projection 37 adapted to engage a footstep hole and ensure that the hole in the bolster is in line therewith. The tool is fed by a rack and pinion 42, motion being limited by stops 39, 40. A switch 45 adjacent to a handle 32 connects to the motor by wire passing through the hollow column 33.