baber/WOPTO huggingface dataset:
Patent GB-592256-A (GB)
Title: Couplings means for electrical cavity resonators
IPC: H01J25/02
Filed: 1943-09-09
Abstract: 592,256. Thermionic valves; coaxial line resonators and circuits therefor. WESTERN ELECTRIC CO., Inc. Sept. 9, 1943, No. 14842. Convention date, April 17, 1942. [Classes 40 (iii) and 40 (v)] A coupling between a pair of cavity resonators comprises a conductor extending through juxtaposed apertures in the resonator walls so as to link with the electromagnetic fields in the resonators. The conductor is coupled to the resonator walls at a point removed from the apertures and provided with tuning means. The cavity resonators may be contiguous and have a common wall containing an aperture through , which the conductor extends linked with fields on opposite sides of the wall. The invention is primarily for feeding back a controlled portion of the output energy of a highfrequency discharge device incorporated in the resonator structure to produce regeneration, degeneration or neutralization. Fig. 1 shows resonators 34, 38, 36, 38 with a common wall 14 provided with a slot 64 through which extends the loops 76, 78. The input 48 may be applied through a coaxial line, as shown, or through coupling loops and the load 58 may be similarly coupled to the output. Associated with the resonators is a grounded-grid triode in an evacuated envelope 10 consisting of a plate cathode 20, a mesh grid 28 and a plate anode 30 mounted in supporting discs from the wall of the resonator structures. Rings 40, 42 and 44, 46 respectively provide insulation, so that anode and grid bias potentials may be applied. The length of the coupling loops may be varied by short circuiting discs 72, 74 and the loops size by sliding the loop bodily in the slot 64 to vary the coupling. Alternatively, capacitive termination may be used for the loops. Fig. 7, (not shown), or a single line, Fig. 8, (not shown), may be used. Fig. 9 shows a schematic arrangement in which internal tuning is effected either wholly or partially by screws 108. The position of the current lead in the loop may be varied by the relative displacement of the short circuiting discs, Figs. 5 and 6, (not shown), and the tuning of the lines may be resistive, i.e. to halfwave length, or capacitive, i.e. to greater than half-wave length, or inductive, i.e. less than half-wave length. Adjustment for neutralization may be effected by feeding energy to the line 56 and adjusting until minimum output is obtained over the line 50. Fig. 2 shows a modification in which a tetrode having a screen grid 90 is used, similar arrangements of rings 94 being provided for applying the screen grid potential.
Patent GB-980920-A (GB)
Title: Electrical apparatus for throwing flying targets used in shooting training and matches
IPC: F41J9/18
Filed: 1961-04-25
Abstract: 980,920. Trap shooting. D. DE LOSSY, H. MOINIL, and F. MOINIL. April 25, 1961 [Jan. 23, 1961], No. 14847/61. Heading A6D. An electrical apparatus to throw flying targets for shooting training comprises an angularly variable arm, a member rotating the target, an electric motor driving the rotating member and means to release the target during the rotation thereof. The arm 16 supporting an electric motor 25 for rotating the target is angularly adjustably secured to a post 11 mounted on a table 1. A ratchet wheel 17 and pawl 20 on the post retain the arm in raised position. The driving shaft of the motor extends into a head 33 with a reduced end 34 supporting the target 57 beneath spring- pressed balls 36, 37. A ring 39 slidable on the head 33 is connected to the forked end of a rod 46 pivoting in a fork 48 on the arm 16. In operation, the height of a nut 54, on the arm 16 is adjusted according to the thickness of the target 57, the motor is operated to rotate the target and a cable 63 attached, to the rod 46 is pulled slightly to raise the ring 39 and lift the target fire above the balls 36, 37. Adjustable stops 54, 58 on the arm determine the upper and lower sliding limits of the ring 39. When not in use the arm rests on a crutch 64 on the table. In an alternative form the target is released by electromagnetic means acting on a semi-rigid cable. The same means may release a trap door. The electric motor may be secured on or under the table with flexible cable connection or universal joint with the head. A light or other signal may be incorporated.
Patent GB-1433646-A (GB)
Title: Suppression of crevic3 corrosion in gasketed titanium crevices by the use of rubber composition gaskets substantially free of calcium
IPC: C25B9/19
Filed: 1974-04-04
Abstract: 1433646 Preventing crevice corrosion in electrolytic cells PPG INDUSTRIES Inc 4 April 1974 [5 April 1973] 14903/74 Heading C7B Crevice corrosion in electrolytic cell joints comprising at least one Ti surface is prevented by using a "Ca-free" rubber composition gasket in the joint. The composition must contain <0.07 wt. per cent Ca measured by atomic absorption spectroscopy and <10 wt. per cent Ca measured by emission spectroscopy on an ashed sample. A cell with a jointed Ti anolyte chamber and steel catholyte chamber may be used. An electrolyte or ion-permeable diaphragm may separate the chambers. Any conventional ethylenepropylene-diene, neoprene or isoprene rubber may be used with a Ca-free filler, e.g. 12-60% SiO 2 , C, TiO 2 , Na 2 SiO 3  or MgSiO 3 . Fibrous or amorphous particulate SiO 2  is suitable of diameter 0.01-0.1 microns. The electrolyte may be highly acid NaCl.
Patent GB-612209-A (GB)
Title: Improvements in and relating to cigarette rolling devices
IPC: A24C5/44
Filed: 1946-05-17
Abstract: 612,209. Cigarette-making appliances. LEDERMAN, R., (trading as LEDERMAN & CO.), and LEDERMAN, S. May 17, 1946, No...15081. [Class 130] A cigarette-rolling device comprises rol lers 11, 12, mounted in a compartment formed by partitions 3, 5, in the base and lid 1, 2 of a container which may be use( for tobacco and cigar ette papers. Notches 20 receive lugs no shown in the parti tion 5, and the fron of both the base and the lid are bent at 13, to form a narrow slot for a cigarette paper. The rollers are driven by a milled knob 17, through pinions 16, 8.
Patent GB-893081-A (GB)
Title: Improvements in or relating to grenades
IPC: F42C9/14
Filed: 1960-04-29
Abstract: 893,081. Ammunition fuzes. LOSFELD, A., and ROUSTANT, M. April 29, 1960 [Nov. 25, 1959; March 25, 1960], No. 15174/60. Class 9(1). A fuze for a grenade, which may operate on impact or after a given relay and provided with self-destruction means, comprises a housing 1 containing an "all-ways" percussion system of which the striker piston 28 is secured by a safety pin 2a extending through a spring- stressed cap 3a, the pin also being used to block the flash passage of the delay means. The cap 3a supports balls 5 which prevent movement of a transverse firing pin 6a by its spring 7. A further ball 8 bearing on the pin 6a is retained by a cap 9, which can be rotated clockwise and anti-clockwise towards a stop 11, to set the fuze for instantaneous or delayed action. Aligned with the pin 6a is a percussion cap 17 adjacent a delay train 18a leading to a primer 19a. A ribbon 22 having at its free end a weight 23 and wound round the housing 1 holds the pin 2a in position, and the striker 28, which has an air passage 29, is further secured by a ball 13 locked by a pin 12a, which is held by. the cap 9. A milled cover 24 secured by a bayonet joint is rendered watertight by a ring 27. Piston 28 contacts a ball 30 seated on a cup 31, supported by a spring 35 and provided with a firing pin 32. Within the cup is a relay 33 and the pin 32 holds a primer 38 out of alignment with the relay. A capsule containing compressed powder may be attached to the underside of the cap 9, to boost the flame from the cap 17. When the cap 9 is rotated to the delay position, the ball 8 can move upwardly and free the pin 6a, so that when the tape 22 has unwound and the pin 2a been ejected by its spring 4, the balls 5 move away from the pin 6a, which is then driven against the primer cap 17. Cap 17 then fires the delay train 18a and the flash passes to the relay 33. The piston 28 being freed by the ejection of safety pin 2a allows the ball 30 and its seating to be moved forwardly by spring 35 and hence frees the primer 38, which is moved by its spring 40 into alignment with the pin 32. Firing of the relay 33 thrusts the pin 32 against the primer 40, to initiate a detonator (not shown) fitted into the base closure plug 44. When the fuze is set for action on impact, the bolt 12a, Fig. 2, is free to move and hence release the ball 13 holding the piston 28, which is then free when the pin 2a has been ejected. The ball 30 is then pushed upwards by its seating and the primer 38 moves as before, so that upon impact the pin 32 is driven into the primer by the piston 28 and ball 30.
Patent GB-330116-A (GB)
Title: Improvements in shock reducers for vehicles
IPC: F16F1/22
Filed: 1929-05-15
Abstract: 330,116. Bernaerts, H. F. J. Oct. 23, 1928, [Convention date]. Laminated springs. - In a vibration-damper attached to the springs of a vehicle and adapted to vary the pressure between the leaves according to changes in the relative position of the frame and the axle by means of an eccentric member pivoted in a strap, tilting of the strap is prevented by two spaced set-screws. The U-shaped strap 13 embraces the laminated spring (not shown) and the leaves are clamped between the upper part oi the strap and an eccentric member 19 mounted in bearings 17, 18 in the arms of the strap. The eccentric member is oscillated by means of a lever 21 connected by a link 31 to the frame or the vehicle. Tilting of the strap is prevented by two spaced set-screws 15 having hardened V-shaped points which bite into the top leaf, the set-screws being secured by lock-nuts in a clamping-piece 14. The strap is shaped so as to be slightly resilient. The eccentric member 19 and the outer bearing 18 are passed into position through an elongated slot in one of the arms of the strap.
Patent GB-1497666-A (GB)
Title: Concentrated solutions of anionic dyes
IPC: C09B67/26
Filed: 1975-04-04
Abstract: 1497666 Concentrated anionic dye solutions YORKSHIRE CHEMICALS Ltd 4 April 1975 [5 April 1974] 15240/74 Heading D1B Concentrated anionic dye solutions comprise, per 1000 parts by weight, 100-700 parts of one or more anionic dyes and 30-500 parts of at least one compound of formula: where R<SP>1</SP> is C 2-22  alkyl; R<SP>2</SP> is methylene or a p-phenylene group optionally substituted by C 2-22  alkyl; m and n are each 2-4, x and y are each 0-100 provided x+y is at least 2. The solutions may contain up to 200 parts of a viscosity reducing organic solvent particularly isopropanol, methyl pyrrolidone or ethylene glycol monomethyl ether. The solutions are used to prepare dyebaths, pad baths or printing pastes for colouring fibres particularly carpets with pile fibres of nylon, wool, cellulosic fibres or mixtures of these.
Patent GB-725885-A (GB)
Title: Improvements in or relating to machines for printing fabrics or other materials
IPC: B41F15/08
Filed: 1953-06-03
Abstract: 725,885. Stencilling-machines. BARROS, A. J. C. DE O. June 3, 1953 [Nov. 27, 1952], No. 15371/53. Class 100 (2). A multi-colour stencilling- - machine comprises a number of stencil cylinders coacting with an equal number of impression cylinders over which is passed an endless cloth or belt blanket having a length equal to the periphery of the stencil cylinders or a multiple thereof so that any colour passing through the material to be printed forms a pattern on the blanket which remains in register with the design on the stencil cylinders and therefore does not cause soiling of the other side of the material. As shown in Fig. 2, stencil cylinders 11, 12, 13 have internal rollers 14, 15, 16 for forcing colour through the stencil screens. Each roller 14, 15, 16 co-operates with an impression cylinder 21, 22, 23, these serving as pulleys for the endless blanket 20. A further pulley roller 25 co-operates with a roller 26 feeding the web A of material to the blanket 20. The web passes between the blanket and each stencil cylinder and is passed away over roller 18. The impression cylinders 21, 22, 23 are driven by gears from a central driving gear. In the form of Figs. 4, 5 the impression cylinders 21, 22, 23 are mounted for radial adjustment on arms 48 of spiders 47 carried on a fixed tubular member 46. The member 46 is supported at each end by screw-threaded rods 45, Fig. 5, engaged in frame parts 44. Mounted for axial adjustment on the screwed rods 45 are rotatable toothed end-plates 28 between which the blanket is stretched so that it passes round the impression cylinders in a circular path. The stencil cylinders 11, 12, 13, e.g. as described in Specification 703,887, are mounted for adjustment towards and away from the impression cylinders by hand wheels 41. Toothed endplates 27 on the stencil cylinders co-operate with the toothed plates 28 carrying the blanket 20. The inking rollers 14, 15, 16 are mounted on arms 43 attached to hollow supports inside the cylinders and are supported by guides 66. Colour is fed to the inside of the stencilling ,cylinder through pipes 42. The web A is passed in over roller 26, also adjustable towards and away from the co-operating roller 25 by handles 53. A gear 29 on the shaft 52 of roller 26 meshes with the toothed plate 28 and the shaft is driven by a chain belt passing over pulley 30, thereby driving all the other parts of the machine.
Patent GB-117190-A (GB)
Title: Improvements relating to Welded Joints for Metallic Plating.
IPC: B23K33/00
Filed: 1917-10-23
Abstract: 117,190. Quasi-Arc Co., and Cole, W. L. Oct 23, 1917. Uniting by fusing.- Welded lap joints for metallic plating are formed by applying a fillet weld as c along the whole of one edge of the joint, and by applying tackings or separate welding deposits as d at intervals along the other lapped edge, or through holes or slots in the plating adjacent said edge. These holes &c. may be burnt or drilled. The welds are deposited by arc or quasi-arc methods.
Patent GB-1496656-A (GB)
Title: Tumbler dryers
IPC: D06F58/04
Filed: 1974-12-16
Abstract: 1496656 Tumbler dryers TI DOMESTIC APPLIANCES Ltd 16 Dec 1974 [21 Dec 1973] 15447/75 Heading F4G  The subject matter of the present Specification is as that in Specification 1,496,655, but the claims relate to the mounting of the driving of, and providing heated air to the drum.
Patent GB-640164-A (GB)
Title: Improvements in high tension flywheel magnetos
IPC: H02K21/22
Filed: 1947-06-12
Abstract: 640,164. Ignition magnetos. PHELON, R. E. June 12, 1947, No. 15464. Convention date, June 13, 1946. [Class 35] A fly-wheel ignition magneto comprises one or more permanent magnets 60, 62, preferably provided with polepieces 64, 66, secured to the inner peripheral surface of a hollow member which is rotated by a shaft 14. The magnets are magnetized in a direction radially of the shaft and their magnetic circuit with the stator core 16 (carrying the primary and secondary coils 24, 26) is completed through the member 52. A non-magnetic bush is interposed between this member and the shaft 14. The circumferential length of the polepieces is preferably such, in relation to the spacing between the limbs 18, 20, 22 of the core 16, that a rapid reversal of flux in the limb 20 results as the gap between the two polepieces passes that limb. A counterbalance weight 68 and the usual camoperated contact breaker 36 and condenser 46 complete the magneto.
Patent GB-1262683-A (GB)
Title: Cam-controlled automatic lathe
IPC: F16D27/115
Filed: 1969-03-25
Abstract: 1,262,683. Lathes. PITTLER MASCHINENFABRIK A.G. 25 March, 1969 [28 March, 1968], No. 15495/69. Heading B3T. [Also in Division F2]  In a cam-controlled automatic lathe having a control shaft 3 normally rotatable by main drive means (not shown), the shaft is also rotatable by an auxiliary means 13 driving a part 8 of an electromagnetic coupling through an irreversible worm drive, the other part of the coupling being fixed to the shaft 3. For rotating the shaft during interruption of the drive from the main drive means, the auxiliary means 13 is energized to rotate a shaft 14 and worm screw (not shown) meshing with a worm-wheel 9 concentric with shaft 3 and supported thereabout by bearings 10. Simultaneously with energization of the means 13, which may be an electric motor, the winding 5 of the electromagnetic coupling 7 is energized to couple the worm-wheel 9 to the shaft 3. The winding 5, located in a recess of the coupling part 6 fixed to the shaft, is non-rotatably secured by a pin 21 to the lathe frame 1. If the shaft 3, already rotating under the action of the main drive means, is required to be stopped after the main drive means has been disconnected, the coupling 7 may be engaged without energization of the auxiliary motor 13 whereby, due to the irreversibility of the worm unit the coupling then acts as a brake to stop the shaft.
Patent GB-457468-A (GB)
Title: Improvements in or relating to antenna systems and feeding arrangements therefor
IPC: H01Q9/34
Filed: 1935-05-28
Abstract: 457,468. Directive wireless signalling. STANDARD TELEPHONES & CABLES, Ltd., and STRONG, C. E., Connaught House, Aldwych, London. May 28, 1935, No. 15510. [Class 40 (v)] In order to minimize highangle radiation the exciting current is fed to a vertical cantilever aerial 1, comprising an insulated cantilever structure having an electrical length of greater than one quarter wavelength, at a point between the extremities preferably at a current loop, by a non- radiating transmission line 2. The line 2 comprises a concentric tube cable connected across such a length of the antenna that it is terminated by its characteristic impedance and preferably symmetrically about the voltage node one quarter wavelength from the free end. The line may be coupled to the antenna by an impedance matching transformer, Fig. 7 (not shown), and is preferably wound into a coil 3 the inductance of which is such that the antenna and coil in series are tuned to the operating frequency.
Patent GB-219664-A (GB)
IPC: B64C23/08
Filed: 1924-06-27
Abstract: 219,664. Naamlooze Vennootschap Instituut voor Aero-en Hydro-Dynamiek. June 28, 1923, [Convention date]. Paddle-wheels and endless band propellers; rudders. - The rudders and sails of ships and the blades of propellers have the whole or a portion of their surface skin movable around or along the surface in order to increase the reaction of the plane or blade. The skin is positively driven by a prime mover or by separate vanes acted upon by the fluid current, or is dragged round by the skin friction of the fluid current on the suction side of the plane or blade. Fig. 3 shows an aircraft plane having fixed profile members e, f and an endless flexible skin d passed over rollers b, c, the upper part moving in the direction of the airstream, and both parts assuming their correct shape under air pressure. Either or both of the profile members e, f may be omitted. Fig. 8 shows a modification in which the movable skin d is exposed only on the suction side of the plane or blade. The movable skin may be replaced by a series of rollers partially embedded in the suction side of the plane, or a single cylindrical member h, Fig. 5, may be placed between front and rear profile members e, f, or, as shown in Fig. 7, within a recess in a profile member k so as to form a tapering passage around the cylinder. Or rotating cylinders may be used alone, a cylinder rotating about a vertical axis or having a rotary skin being described for use on a ship, the direction of rotation of the surface controlling the direction of motion of the vessel. Such cylinders may be made in telescopic sections. Profiled extension pieces controlled by auxiliary surfaces may be provided with the cylinders when used as sails.
Patent GB-962151-A (GB)
Title: Improved launching apparatus
Inventor: COOMBS WILLIAM CHARLES
IPC: B63B23/04
Filed: 1959-05-06
Abstract: 962,151. Life raft launching gear. NON- CORROSIVE METAL PRODUCTS Ltd. Aug. 5, 1960 [May 6, 1959], No. 15554/59. Heading B7S. Apparatus for launching inflatable life rafts comprises two horizontal beams 10, each movable outboard about a central support 14, which are separated by a distance greater than the length of the raft. Each beam has mounted thereon guide pulleys 17, 18, 19, 20 and 21 over which rotates a continuous cable 16. The cables 16 are joined by a plurality of beams 22, each of which supports a life raft. A brake and a motor may be fitted to one of the pulleys.
Patent GB-1029018-A (GB)
Title: Improvements in and relating to blow molding
IPC: B29C48/30
Filed: 1964-04-15
Abstract: 1,029,018. Bottles. HAVEG INDUSTRIES Inc. April 15, 1964 [April 22, 1963; Sept. 25, 1963], No. 15561/64. Heading B8D. [Also in Division B5] In an extrusion-blow moulding process for making hollow articles, e.g. bottles, the parison comprises a hot tube of foamable thermoplastic resin the inner and/or outer surfaces of which are rapidly chilled, to form a skin or skins, by fluid jets, e.g. of air or water from internal and/or external nozzles. The parison is longitudinally stretched by rollers.
Patent GB-1303766-A (GB)
IPC: D06C13/00
Filed: 1971-05-18
Abstract: 1303766 Fabric shearing apparatus RELIABLE MACHINE WORKS Inc 18 May 1971 [26 May 1970] 15627/71 Heading D1S In a fabric shearing apparatus comprising first and second cutting means, one of which is rotatable relative to the other, means are provided for mounting said one cutting means for movement towards and away from the other cutting means to vary the spacing therebetween, and means are also provided for adjustably locking said one cutting means against said movement. The apparatus comprises a rotatable cylinder 34 carrying blades 32 which cooperate with a fixed blade 36 to shear the fibres of a fabric 29 presented to the shearing zone over a guide plate 40 having a nose piece 200 which positions the fabric adjacent the fixed blade 36. The blade 36 is adjustably mounted on a base 38 which is rigidly fixed on the frame 12 by means of a base suport 78 and brace 84. The inclination of the guide plate 40 may be adjusted by means of an eccentric 204 and is also adjustable towards and away from the fixed blade 36 in the horizontal plane. Referring to Fig. 7, the blade support 38 is mounted on base support 78 which also carries a track member in the form of an H-block 76. The rotatable cylinder 34 is mounted in bearing blocks 68 which are fixed to support blocks 94 carried on the upper surfaces 146, 148 of the H-block 76. The blocks 94 each have a projecting portion 154 which engages between the upstanding walls 140, 142 of the block 76 to prevent relative lateral movement therebetween. Each support block 94 carries a block 104 which threadedly engages a threaded rod 98 carried by the H-block 76. Rotation of the rod 98 causes the block 104 to move axially therealong and therefore moves the block 94 relative to the block 76 in the direction towards and away from the blade support 38. A threaded bolt is provided passing through the cross member 144 of the block 76 and the projecting portion 154 of the block 94 whereby rotation of the bolt causes the blocks 76 and 94 to be drawn together thereby providing an adjustable locking means. The clearance space between the fixed blade 36 and the rotating blades 32 may be set while the machine is-in operation by applying a voltage to the supporting structures of the two blades, i.e. block 76 and bearing support 68, and measuring the voltage across the space and indicating same by means of a light or meter, the spacing being adujsted until the required voltage is obtained. The positioning of the fibres in the shearing zone 30 is aided by an exhaust system for the cut fibres, the exhaust system comprising an exhaust duct 250 and pipes 252, 254, 256 The pipe 256 has an opening 258 positioned immediately below the rotating cylinder 34, and creates a suction zone between the blade support 38, cylinder 34 and brace 84.