baber/WOPTO huggingface dataset:
Patent GB-127290-A (GB)
Title: Improvements in Chronotelemetrical Apparatus for use in Regulating the Firing of Anti-aircraft Guns.
IPC: F41G5/08
Filed: 1917-02-27
Abstract: 127,290. Maison BrÚguet, and Routin, J. L. Nov. 30, 1915, [Convention date]. Addition to 127,280. Speed indicators operating by sighting aerial objects; velocity components, measuring.-Consists in providing, in the anti-aircraft gunnery appparatus described in the pa;rent Specification, a device for measuring, on a suitably amplified scale, the azimuthal and zenithal component of the angle through which the target moves during a time proportional to the time of flight of the projectile. Figs. 1. 2, and 5 show apparatus for measuring the azimuthal angle. The drum 1, Fig. 2, is rotated by the training- gear of the telescope and actuates a ratchet band 3 passing over a second drum 2. At the edge of the band are two cursors 7, 22, one of which, according to the direction of rotation of the drum 1, is moved by an electro-magnet 12 or 21 into engagement with the ratchet teeth on the edge of the band and is raised thereby. The circuit through the electromagnet is closed for a time proportional to the time of flight by a switch device shown in Fig. 5, comprising a uniformly rotating drum 1<a> having a brush 4<a> adjustable along the axis of the drum according to the range. The cursor 7 or 22 raises a third cursor 14 carrying pointers 23, 24, Fig. 1, adapted to move along scales 25, 26. A shutter 29 actuated by a sector 28 frictionally mounted on the drum 1 covers one scale or the other according to the direction of rotation of the drum.
Patent GB-107549-A (GB)
Title: Improvements in the Method of Making Pavements or Paving Mixtures.
Inventor: MCGRATH GEORGE BANGS
IPC: E01C7/18
Filed: 1917-02-28
Abstract: 107,549. McGrath, G. B. Feb. 28, 1917. Compositions containing bituminous and sili. ceous materials.-A paving mixture is made by adding bituminous cement to pulverized material in such quantity as to coat and bind the powder without an excess or deficiency of the bitumen, and the filler thus obtained is added to mineral aggregate, the particles of which have been previously coated with bitumen, in such quantity as to fill the voids. This quantity is determined by ascertaining the density of the filler and the volume of the voids, which latter may be found by taking a known weight of aggregate for a test and measuring the amount of water added to cover this. The amount of bitumen to be used in making the filler also is ascertained by a preliminary test. The aggregate is preferably graded.
Patent GB-120686-A (GB)
Title: Method and Machine for Producing End Clearance of Piston Rings.
IPC: F16J9/00
Filed: 1918-02-20
Abstract: 120,686. Wasson, R. B., and Wasson Piston Ring Co. Feb. 20, 1918. Rings.-A split piston-ring is held partly compressed while the ends are trimmed to form the exact clearance required between the ends. The Figures show apparatus for trimming rings with inclined slits. The ring is held by a conical clamp 12 in a stationary chuck 11, mounted in a frame 13 on a sliding bed 8 which is fed by means of a hand lever 55 towards a cutter 10 mounted on a spindle driven by fast and loose pulleys 45a, 45<b>. The bed 8 slides on a bed 2 which is adjustable both vertically and horizontally by means of wedges 3, 6. Alternatively, the work may be stationary and the cutter fed towards the work. The clamp 12 is mounted on a spindle 70 between a nut 19 having a spherical bearing and a nut 20 screwing on to the nut 19. The spindle 70 is fed forward by a hand-operated screw 17, and is returned by a spring 24 confined between a shoulder on the spindle 70 and a cap on the hollow bush 23 in which the screw 17 works. The bush 23 is mounted on a lever 15 turning on a hinge 35 and secured by a catch 29. A gauge 53 surrounding the cutter enters the slit in the piston-ring in advance of the cutter, the chuck 11 and clamp 12 being slotted to permit the entrance of the gauge and cutter. Rotation of the clamp is prevented by a pin 28. The cutter is formed tapered in cross section in order that the ends of the pistonring may be parallel when the ring is compressed to the diameter of the cylinder bore. The cutter 10 and chuck 11 can be changed to suit pistonrings of different sizes, and the lever 15 is adjustable axially for the same purpose. Specification 21425/11, [Class 83 (iv), Metals, Working], is referred to.
Patent GB-885246-A (GB)
Title: Improved automatic focussing device for photographic purposes
IPC: G03B27/36
Filed: 1958-01-29
Abstract: 885,246. Photographic automatic focusing devices. MATTICOLI, A. Jan. 29, 1958, No. 3026/58. Class 98(1). An automatic focusing device comprises as shown in Fig. 3, a support b and rods 2 defining co-ordinate axes x, y at the origin of which a lens system is mounted. Slidable on the rods 2 are further supports 3, 3<SP>1</SP>, being movable by rotation of a rod 18 connected through differential gearing 15 to lead screws 24, 24<SP>1</SP>. On guideways 5, c and 5<SP>1</SP> are slidable members 6, 25 and 6<SP>1</SP> respectively. Of these the member 25 has pivoted thereto at F a sleeve through which passes a rod 1 which also extends through slides 7, 7<SP>1</SP> pivoted to the members 6, 6<SP>1</SP>. These members are also attached to slides 6a, 6a<SP>1</SP> on rods 4, 4<SP>1</SP> which bisect the co-ordinate axes. The pivot F is at a distance 2f from the origin of the co-ordinate, f being the focal length of the lens in use, and it is shown in the Specification that with this arrangement the two supports 3, 3<SP>1</SP> constituting the object plane and image plane respectively will always be positioned in accordance with the conventional lens formula. If the lens is changed for one of different focal length, it is only necessary to alter the height of pivot F correspondingly. In another form, Fig. 7 (not shown), the linkage is such that the object plane (support 3) is fixed whereas the image plane (support 3<SP>1</SP>) and the lens mount (support b) are moved. Vertical movement of the slides along supports 3, 3<SP>1</SP> is in this case effected by bellcranks interconnected, with the movable mount of support b. In a modification, Fig. 8, the rod 1<SP>1</SP> is pivoted at 8" to a slide 3<SP>11</SP> on a rod 2 fixedly carrying a support b on which is movable a slide 25 having pivoted thereto a slide 7" through which rod 1<SP>1</SP> passes. This rod also passes through a sleeve 7 pivoted to two connected sleeves 6, 6a of which 6a slides on a rod 4 inclined at 45 degrees to rod 2. Sleeve 6 can be moved along a guideway 5 by a wire and pulley arrangement, one end of the wire being fixed at a' and the other being attached at a<SP>11</SP> to the movable support b.
Patent GB-1249862-A (GB)
Title: Improvements in hose end units
Inventor: GOWARD STANLEY HAROLD
IPC: F16L33/207
Filed: 1968-01-19
Abstract: 1,249,862. Hose couplings. BTR INDUSTRIES Ltd. 17 Jan., 1969 [19 Jan., 1968], No. 3035/68. Heading F2G. A hose end unit comprises a length of hose, a tubular insert 21 which fits within the hose, a tubular ferrule 14 which surrounds the hose and a tubular end fitting 17 having a tubular portion 18. The latter extends between the insert and ferrule such that the outer and inner surfaces thereof are in engagement with the ferrule and the hose respectively, the hose and the portion 18 being gripped between the ferrule and the insert. As shown, the portion 18 has a flange 19 which is an interference fit in a flange of the ferrule, the latter being formed with serrations 15. The inner layer of the hose forms an annular flap which makes a fluid-tight seal and is gripped at a zone remote from the free end of the hose.
Patent GB-895272-A (GB)
Title: Transistor switching circuit for providing constant current signals
IPC: G11C11/06
Filed: 1961-01-26
Abstract: 895,272. Transistor switching circuits. NATIONAL CASH REGISTER CO. Jan. 26, 1961 [Feb. 8, 1960], No. 3038/61. Class 40(6). A switching circuit comprises a first transistor Tr2, Fig. 2, having its collector-emitter path connected between a source of bias potential 4 and an output terminal 7 in series with R7 connected to the collector; a second transistor Tr3 having its collector-emitter path connected between the base of the first transistor and a point in the series circuit such that the resistance between the point and the collector is small compared with the resistor R7; and a bias circuit connected to the bases of the two transistors such that both are held cut-off in the absence of a signal applied to the base of the second transistor and with an input signal present, both are cut in. As described, the bias circuit comprises resistors R5, R6 connected from a bias terminal 5 to the bases of the transistors, and a diode D2 connected from the base of transistor Tr2 to earth. The output 7 is connected via a coordinate wire of a magnetic core matrix via terminal 3, Fig. 1, to the collector of a transistor Tr1 which may be either conducting or non-conducting. The emitter of Tr2 is thus either at earth potential or floating and Tr2 is cut off by the positive potential developed across diode D2. The base of transistor Tr3 is similarly more positive than its emitter and is held cut-off. Application of a negative going input to terminal 6 causes Tr3 to conduct, reverse biasing D2 and rendering Tr2 conductive. If Tr1 is simultaneously made conductive, a substantially constant current flows through the matrix wire between terminals 3, 7, the current being regulated by resistor R7 which is made high. The collector potential of Tr2 is limited by a Zener diode Z. In order to ensure that Tr3 is held saturated in the on condition, a resistor R8 is included in the collector lead of Tr2.
Patent GB-606318-A (GB)
Title: Bubble tray downcomers
IPC: B01D3/20
Filed: 1946-01-30
Abstract: 606,318. Bubble tray downcomers. GLITSCH, H. C., and GLITSCH, F. W. Jan. 30, 1946, No. 3051. [Class 55(ii)] A tray assembly for mounting within a cylindrical tank 10 has vertically spaced horizontal trays A with downcomer plates 24 including an angular member 28 with an upright portion 29 secured to the wall of the tank and a flanged portion 35 underlying and supporting the plate, and means 36 for clamping the plate and angular member together while permitting relative lateral adjustment. The tray sections 12 are supported on trusses 13, 14, and 15 and by clamps 17 to a flat ring 11 welded to the tank and terminating at the truss 15. The trusses 14, 15 are arranged so that overflow channels 16 between the wall and trusses 15 are at opposite sides on alternate trays. Weirs 18, 19 are bolted with the tray to trusses 14, 15, and to the underside of the outlet is fixed the inclined downcomer plate 24 which extends below the weir 18 of the tray below and overhangs the tray extension 12'. The plate 24 has a cutaway portion 30 at each upper end so that the adapter plate 28 may be inserted between the downcomer 24 and the outer face of the truss 15, and bolted at 31, 32. The adapter may be in one piece or have a separate part 29' bolted to the weir 19. The vertical edge of the adapter is welded to the tank wall, while the inclined boss 35 supports the overlapping ends of the downcomer, and is adjustably secured thereto by clamps 36. The joints are made gas-tight.
Patent GB-929356-A (GB)
Title: Separation of nitric acid from its salts
IPC: C08F24/00
Filed: 1961-01-26
Abstract: Nitric acid is separated from aqueous solutions of the majority of its salts by a chromatographic method using an anion exchange resin as the absorbent.  The solution, which should be at least 0,2 normal with respect to nitric acid, is introduced on to a column or bed of the resin, which is immersed in water or dilute nitric acid, and eluted from it with distilled or demineralized water, or dilute nitric acid, which should not be more than 0,2 normal with respect to nitric acid.  The eluant may be followed by alternate increments of feed solution and eluant, and the resin bed can be stationary or be moved counter current to the flow of feed and eluant, thus making the process continuous, or almost continuous.  The eluate shows increased concentrations of nitrate in the early samples, the nitric acid being obtained in increased concentration from the later samples.  The nitrates specified are those of ammonia, the alkali metals, the alkaline earth metals, and heavy metals, e.g. Ni or Fe, there being a restriction in that the metal should not form complex nitrate anions in nitric acid solution.  The resin used, which is preferably in its nitrate form, can be any of the commercially available anionic exchange resins, but it is preferably strongly basic containing quaternary ammonium groups, e.g. one prepared by the reaction of trimethyl amine with the insoluble, resinous, chloro-methylated copolymer of approximately 87,5% wt. styrene, 4,5% wt. ar-ethyl vinyl benzene, and 8% wt. divinyl benzene.
Patent GB-414648-A (GB)
Title: A new and improved weatherproof inward opening casement window
IPC: E06B3/52
Filed: 1933-02-01
Abstract: 414,648. Casement windows. RANCE, A. K., Whyhere, Fairlight Cove, East Sussex.- (Smith. J. Hamilton-, 51, Longfellow Street, East London, South Africa.) Feb. 1, 1933, No. 3077. [Class 20 (iii).] The upper fixed transom E of a casement frame is formed with a double rabbet at D, permitting the sash to be raised on sliding-barrel hinges over the weather stop on the sill but not requiring a protrusion of the sash beyond the frame. The recess is covered by the rabbet in the sash when closed. A hopper F is hinged to the transom.
Patent GB-328604-A (GB)
Title: Improvements relating to direction indicators for use by road-vehicle drivers and traffic regulators
IPC: B60Q1/34
Filed: 1929-01-30
Abstract: 328,604. Jensen, N. C. F., and Martin, H. Jan. 30, 1929. Road-vehicle signals.-In visual signals for use on road vehicles in which the signal moves relatively to its mounting the motion of the signal is obtained by means of a helical or' similarly shaped slot mounted on a rotatable member. A reversible electric motor 16 drives, in opposite directions, through a pinion 13 and toothed wheels 11, 12, concentric tubes 5, 6 having helical slots 7, 8, the movement of which results in a series of diamond shaped apertures moving along the casing 1 in a direction corresponding to the direction of rotation of the motor 16 to indicate the direction of turning of the vehicle. The lamps 26, held in spring clips 24, 25 mounted on elements 23 and fed from the motor terminals 20 through insulated rods 21, 22 provide light to render the slots visible. Alternatively, one helically slotted tube acting in conjunction with a narrow slot in the casing 1 may be used, or two driving motors may be provided, one for driving in each direction. The driving motors may be adapted for operation by the steering gear, and the lamps may be lit independently, the spot of light then indicating slowing down or stopping of the vehicle. The Provisional Specification states that the moving light may be obtained by arranging a row of lamps to be successively lighted by means of a commutator; a lamp continuously alight may be covered by a travelling band having spaced gaps; a rotary or oscillatory set of vanes may be adapted to move over an arcuate illuminated slit; or a collapsable fan like sheet may be adapted to spread over a suitable illuminated window.
Patent GB-765066-A (GB)
Title: Electric circuit for tube expander and method of operation
IPC: B21D39/06
Filed: 1954-02-03
Abstract: 765,066. Tube expanders. AIRETOOL MANUFACTURING CO. Feb. 3, 1954, No. 3242/54. Class 83 (4). [Also in Group XXXVII] A roller type tube expander rotated by a reversible electric motor has electrical control means which, dependent upon the attainment of a predetermined load indicating that the tool has been expanded sufficiently, cut off the current to the motor and then after a slight delay cause the motor to rotate in the reverse direction, thus to withdraw the expander. A tube expander of a type described in Specification 765,065, to which reference is made, includes a tapered mandrel 11 fixed to the shaft 15 of a motor 17 and engaging radially movable rolls 9 carried in a cage 7. Rotation in one direction causes the mandrel to selffeed forward and expand the rolls and rotation in the reverse direction when the mandrel and cage are locked against relative axial movement, causes rearward movement of the expander, expanding the rest of a tube end 5 in a seat 1 as it withdraws. In operation, the on-off switch 45 and motor switch 33 being on, the latter in its lower position in Fig. 2, current flows from the supply line L1 through line 52, upper side of reversing switch 35, armature of motor 17, lower side of switch 35, ammeter 41, upper contact of relay 53, field coils 56, a lower contact of relay 53, lower contact of relay 58 and through an auto-transformer 61, rheostat 66 and coil 70 of relay 71 all in parallel, to the line 62 and thence to the line L2. As the motor comes up to speed the contact of relay 68 puts the relay coil 70 in circuit. When the rolls 9 have been expanded the load on the motor 17, and thus the current therethrough, increases until sufficient current passes through the coil 70 to close the contact of relay 71, whereupon the relay coil 63 is put into circuit to open the lower contact of relay 58 and stop the motor. Closing of contact 71 closes circuit through coil 74 of time delay relay 72 to close after a second or two the relay contact, this causes relay 53 to open upper and close lower contacts to allow current to drive motor in reverse direction. During the delay the mandrel and cage are locked against axial movement by manually turning sleeve means 21. When the cage has been withdrawn from the tube, the operator stops the motor by the switch 33. At any time the motor may be made to rotate in the reverse direction by the switch 35. Although the power supply is A.C. the relay coil 70 may be fed D.C. through rectifier means, the coil being in two parts, Fig. 3 (not shown).
Patent GB-432645-A (GB)
Title: Improvements in or relating to the manufacture of sliding clasp fasteners
IPC: B29D5/00
Filed: 1934-01-31
Abstract: Sliding-clasp fasteners with the interlocking members, the end stops, and the slider, made of non-metallic material such as celluloid are rendered non-inflammable by applying a thin film of a non-inflammable material of the kind which evolves combustion-suppressing gases when heated.  For instance a chlorinated rubber composition is sprayed thereon, the stringer tapes being protected by masks; if necessary a bonding coating is applied previously.  The bonding composition may be a gelatine or synthetic resin solution, examples of which are given.  The chlorinated rubber solution contains blown linseed oil, a plasticizer such as dibutyl phthalate, and a solvent adapted to act on the surface of the celluloid members.  According to the first Provisional Specification sodium silicate or a solution of antimony trichloride in amyl acetate may be used and the tapes may also be treated.ALSO:Sliding-clasp fasteners with the interlocking members, the end stops, and the slider, made of non-metallic material such as celluloid are rendered non-inflammable by applying a thin film of a non-inflammable material of the kind which evolves combustion-suppressing gases when heated.  For instance a chlorinated rubber composition is sprayed thereon, the stringer tapes being protected by masks; if necessary a bonding coating is applied previously.  The bonding composition may be a gelatine or synthetic resin solution, examples of which are given.  The chlorinated rubber solution contains blown linseed oil, a plasticizer such as dibutyl phthalate, and a solvent adapted to act on the surface of the celluloid members.  According to the first Provisional Specification, sodium silicate or a solution of antimony trichloride in amyl acetate may be used and the tapes may be treated.
Patent GB-1476562-A (GB)
Title: Cable connector
IPC: B65G19/22
Filed: 1975-01-27
Abstract: 1476562 Couplers for cables R D JONES and J L HALL 27 Jan 1975 [5 July 1974] 3407/75 Heading D1T Connecting means for coupling two cable ends 10, 10 together comprises a connector body 13 through which one cable end 10 is passed, and a first enlarged portion 21 that is then secured to said cable end; a washer 17 through which the other cable end 10 is passed and a second enlarged portion 22 that is then secured to said other cable end; the connector body 13 having a counter bore 18 therein for housing both of the enlarged ends 21, 22 and the washer 17 therein; and means 19 for holding the washer 17 in the counterbore 18. The enlarged portions 21, 22 are at the ends of tubular sleeves 14, 16; each sleeve being formed with a formation on the inner surface thereof, and at least one set screw 15 extending through a side wall of the sleeve to force the cable in the sleeve against said formation, e.g. a screw thread. As illustrated the means 19 is a snap-ring that can fit in an annular groove 20 in the counterbore 18. The end 21 has a spherical surface that complimentary to a spherical recess 23 in the connector body 13. Similarly the end 22 has a spherical surface that is complimentary to a spherical recess 24 in the washer 17.
Patent GB-490014-A (GB)
Title: Improvements in absorption refrigerating apparatus
IPC: F25B33/00
Filed: 1937-02-05
Abstract: 490,014. Refrigerating. ELECTROLUX, Ltd. Feb. 5, 1937, No. 3474. Convention date, Feb. 7, 1936. [Class 29] Absorption apparatus.- The generator comprises an inner heating flue 10 and a jacket 11 spaced from the flue at a narrow distance of between 1À5 and 3À0 millimetres between the points of connection of the weak liquor outlet pipe 16 and vapour outlet pipe 17, where the ends of the jacket are enlarged sufficiently to allow correct welding of the joints. The flue or the jacket may be provided with indentations 19 for centring the flue. The narrow liquor space reduces convection currents in the liquor and facilitates rectification of the evolved vapour by passage through the upper layers of liquid. The generator is particularly applicable to systems of the inert gas type and in which a heated " pump " coil 12 is employed.
Patent GB-685470-A (GB)
Title: Improvements relating to apparatus for delivering measured quantities of liquid
Inventor: BERWICK ALBERT GEORGE
IPC: G01F11/26
Filed: 1950-02-10
Abstract: 685,470. Delivering measured quantities of liquids. GASKELL & CHAMBERS, Ltd., [trading as NON-DRIP MEASURE CO.]. Feb. 12, 1951 [Feb. 10, 1950], No. 3496/50. Class 106 (v) Apparatus of the siphon-type for delivering measured quantities of liquid from a bottle or like container comprises a measuring chamber 1, a tubular attachment fitting 2 embodying an air tube 10, a supply conduit 11 and an annular chamber 7, inlet and outlet ports 12 and 13 separated by a wall being provided on the lower side of the annular chamber so that the liquid flows round the whole of the chamber to provide a head of liquid above the outlet port, which prevents air entering the bottle through the supply conduit, and then discharges against the side of the measuring chamber to prevent turbulence. When the liquid overflows the top of the outlet tube 15, air ceases to pass into the bottle and the supply stops while the measured quantity is siphoned off until the siphon action is broken when the lower edge of the siphon bell 14 is uncovered. The measuring chamber is in two separable halves, clamped together by a lock ring 18; the upper half has an air vent 16 and the lower half may be of transparent material or have transparent windows. To vary the quantity measured, different sizes of the lower half of the measuring chamber may be fitted or the outlet tube may be adjustable. Restrictor plugs 17 are provided at both ends of the air tube to prevent air locks.