baber/WOPTO huggingface dataset:
Patent GB-585433-A (GB)
Title: Telegraph code recorders
IPC: H04L15/28
Filed: 1944-10-27
Abstract: 585,433. Electric telegraphy. STANDARD TELEPHONES & CABLES, Ltd. Oct. 27, 1944, No. 20959. Convention date, Feb. 11, 1944. [Class 40 (iii)] Morse signals are received visually as traces on a cathode-ray oscilloscope, the beam being biassed off unless a signal is being received. Alternating- current signals are rectified by the valves 3, 4 and smoothed by the network 10, appearing as negative D.C. marking signals on the grid of valve 12. The cathode of the valve is connected to 250 volts negative at 19, and its grid is earthed through resistance 32, so that in the spacing condition the valve 12 has a low resistance and the condenser 18 is substantially discharged. When negative marking signals are applied to 'the grid, however, condenser 18 charges from earth through resistance 13 to negative lead 19, so that a saw-tooth negative potential is applied to the grid of valve 15, whose anode is connected to a positive lead 24 through the deflecting coils 40, 41 of a cathode-ray tube T while its cathode finds a lower positive potential through the biasing potentiometer 16. The cathode stream is biassed off during the spacing condition by means of a suitable setting of a further biasing potentiometer 27, but is brightened during the marking condition by the application of the negative marking signals to the -cathode 31 of the cathode-ray tube. The latter is rotated so that a succession of signals can be seen owing to the persistence of the fluorescence.
Patent GB-491621-A (GB)
Title: Improvements in fastening devices, particularly for securing blinds, screens or the like to walls or other supports
IPC: A47B96/06
Filed: 1937-07-29
Abstract: 491,621. Stud-and-socket fasteners. SCHMID, E. A. July 29, 1937, No. 21021. [Class 44] A stud-and-socket fastening particularly for securing blinds, screens, and the like to supports comprises a sleeve 1 with head 2 nicked at 3 to receive a screw-driver and with short screw-thread 4 below the head for screwing into a wooden support, Fig. 2. For use in brickwork a closure nut 8, Fig. 1, with groove 9 is screwed on to a terminal thread 7. The device is inserted in a hole in the brickwork and is cemented in place, the groove 9 serving to anchor. The sleeve receives a split pin 5 with head 6 by which it is secured to the blind &c. The pin is passed through a central aperture in a disc with a cupped recess 10 into which the head 6 snaps. The disc is then secured to the fabric by stitching &c. through apertures 11.
Patent GB-729937-A (GB)
Title: A tool for use when fitting metal draught excluder strips in position
Inventor: JACKMAN HERBERT
IPC: E06B7/232
Filed: 1952-08-21
Abstract: 729,937. Tools for setting out work. PARAMOUNT ARCADIA (WILLESDEN), Ltd: Aug. 21, 1953 [Aug. 21, 1952], No. 21031/52. Class 61. [Also in Group XXII] A tool for use when fitting metal draught excluder comprises a handle 1 having fitted thereto a channel section member 3 having two side limbs 4 with rounded, blunted edges which form a marker and a guide. In use one limb 4 is guided against the edge of the draught excluder strip 5,  the other limb being pressed against the strip to produce a fold line 8 about which the strip automatically flexes to move the free edge away from the face of a door or window frame 7. The channel of the tang decreases in depth from the outer to the inner end, the tang being forced into the handle with a wedging action.
Patent GB-766787-A (GB)
Title: Improvements in or relating to self-propelled-rocket projectors
Inventor: DENOVAN ALEXANDER EWING CRAWFO
IPC: F41A21/20
Filed: 1952-08-21
Abstract: A rocket projector is made from a synthetic material such as a phenolic formaldehyde resin reinforced with long-fibre asbestos or glass fibre.  Specification 550,401, [Group XXIII], is referred to.
Patent GB-590612-A (GB)
Title: Improvements in and relating to rotary parachutes and the like
IPC: B64D19/02
Filed: 1944-10-30
Abstract: 590,612. Rotary parachutes. ISACCO, V. Oct. 30, 1944, No. 21177. Convention date, Sept. 29, 1941. [Class 4] In a rotary parachute comprising telescopic blades, a motor, preferably constituted by a tensioned spring band, is provided to initiate rotation of the blades. As shown, the parachute comprises two telescopic blades 2 mounted on the cover 7 of a circular container 1. A static line passes through an opening 76 at the centre of the cover and is connected to a cable 70, Fig. 4, which releases a catch 65 to free a pulley 44 around the circumference of which is disposed a stretched elastic cord 50. The cord rotates the pulley, which through step-up gearing 51, 53, 54, 55, drives the cover-plate 7 to rotate the wings 2 into their operative position, centrifugal force causing their extension under the restraint of limit cables 6. The static line 70 is also connected to a second cable 90, Fig. 7, which simultaneously with the release of the driving pulley 44 frees a lever 88, permitting the extension of vertical and horizontal stabilizing surfaces 3, 4 bv stretched elastic cords 86, 87. The vertical surface comprises articulated members normally disposed around the outer circumference of the container. The blades are retained in the operative position by pins engaging between flexible blocks and buffers allow limited coning movements of the blades. Instead of using an elastic cord to start the rotation of the blades, this may be effected by compressed air or other gas, or by an explosive. The parachute may be applied to the cabin of an aircraft, or to the entire aircraft, to enable emergency descents to be made.
Patent GB-317614-A (GB)
Title: Mountings for electric light reflectors
IPC: G03B15/06
Filed: 1928-07-21
Abstract: 317,614. General Electric Co., Ltd., and Ritchie, T. E. July 21, 1928. Mounting electric lamps in lanterns.-In an electric spotlight or the like the socket 11 of the bulb 4 is carried by a tubular stem 12 which passes freely through a side opening 13 in the reflector 1 and through a trunnion 5 carrying the reflector, and is secured to a plate or bracket 14 by means of a set-screw 18' which allows of rough focussing. The plate 14 is adjustably mounted on three slotted arms 15 on a semi-circular supporting frame by means of fine-threaded screws 16 which allow of fine focussing. Bushes 17 are provided to permit only of rotation of the screws 16, whilst spring washers 19 between the arms 15 and nuts 20 permit the bushes to tilt but not move longitudinally.
Patent GB-583559-A (GB)
Title: Improvements in water atomising and humidity control apparatus
IPC: F24F6/06
Filed: 1944-10-31
Abstract: 583,559. Moistening air. HOLT, S. Oct. 31, 1944, No. 21250. [Class 55 (ii)] Liquid is supplied to air-humidifying apparatus by a motor driven pump f which feeds it to the centre of a rotating disc d lying between two plates carrying a wire gauze e through which the liquid thrown off the disc is dispersed as a fine spray. Air is drawn up by a fan c, driven by a motor b which rotates the disc, to pass between the gauze e and a ring-like shield a which has a flared outlet a<1>. A valve h keeps the liquid at a constant level and the motor f may be controlled by a hygrostat.
Patent GB-852136-A (GB)
Title: Improvements in or relating to internal combustion engine throttle opening and like indicators
IPC: F02B77/08
Filed: 1957-07-05
Abstract: 852,136. Dial gauges. WATSON, N. E. Sept. 22, 1958 [July 5, 1957], No. 21263/57. Class 106 (2). [Also in Groups XXVII and XXXI] A wire 19 connected at one end to the throttle control of a motor vehicle engine has at its other end a rack 16 meshing a pinion 14 on the shaft of a scale pointer 15 movable between stops 20, 21 and illuminated from behind a mask 22 by an electric bulb in a holder 10e, 10f.
Patent GB-863946-A (GB)
Title: Centrifugal moisture extractor
IPC: D06F49/00
Filed: 1958-07-03
Abstract: 863,946. Spin driers. ELLIS, H. C. July 3, 1958, No. 21319/58. Class 34(2) [Also in Group XXV] A spin drier comprises a rotatable basket 30, Fig. 2, with a lockable cover 39, housed within a casing 20 haying a cover 21, a manually operable lever 72, being provided on the latter cover such that through associated mechanism the cover 39 may be locked to the basket 30 whilst a latching arrangement locking the covers together is released, or vice versa. The casing 20 is resiliently mounted through three rubber bushed fittings 23 whilst the basket is belt driven from a motor 37. Two compressed air actuated cylinders 45 operate the cover 21 which carries a compressed air piston and cylinder arrangement 55. A piston rod 60 depends through the cover 21 and supports a toothed clutch plate 68 freely rotatable thereon and a fixedly mounted clutch member 65. The latter has a circular groove 65a, Fig. 4, engageable by four fingers 67 slidable within a member 70 rotatably mounted on the cover 39 and carrying a ring of teeth 70a adapted to engage the teeth 68a of the plate 68. When so engaged, Fig. 4, actuation of the lever 72 effects rotation of the member 70 by the plate 68 and the fingers 67 are radially withdrawn from the member 70 by a cam arrangement to allow operation of the piston 60 so that the plate 68 and the member 65 may be disengaged from the cover 39, Fig. 5, for subsequent spin-rotation of the basket 30. The rotation of the member 70 also operates two sets of latches by which the cover 39 is secured to the rim 30b of the basket. Each latch set comprises members 80, Fig. 6, mounted on the cover 39 to slidably engage and disengage grooves 30f, Fig. 5, formed in the basket rim 30b the necessary sliding movement deriving from the rotation of the member 70 through a linkage comprising a rod 87 and pivoted bell crank .levers 83 each of which is pivotally attached to a member 80. On completion of the spin drying operation the lever 72 is actuated to rotate, through the plate 68, the member 70 and thus simultaneously release the plate 68 and member 65 from the cover 39 and the latter from the basket. Compressed air is then admitted to the lower end of the cylinder 55 so that the piston 60 rises drawing the covers 21, 39 together such that the latter is frictionally held within the former through interengagement of surfaces 81a and 48, Fig. 5. Compressed air is then admitted to the cylinders 45 to cause the covers to swing together to their open positions. The basket 30 may contain a removable split perforated container 38, Fig. 12.
Patent GB-1450094-A (GB)
Title: Floor coverings
IPC: B32B5/20
Filed: 1973-05-04
Abstract: 1450094 Polyurethane foam laminate IMPERIAL CHEMICAL INDUSTRIES Ltd 29 July 1974 [4 May 1973] 21351/73 Addition to 1380910 Heading B5N [Also in Division D1] Floor coverings having an adherent backing of polyurethane foam are produced by spraying on to the periphery of a rotating heated cylinder a liquid mixture of ingredients capable of reacting together to form thereon a layer of flexible polyurethane foam; forming and substantially setting the layer of foam on the cylinder; spraying on to the back of a flexible floor covering a similar mixture capable of forming a thin coating of the foam; contacting the back of the floor covering with the foam layer on the cylinder before the coating of foam on the covering has set; maintaining the thus formed composite in close contact with the cylinder to effect adhesion between foam and covering; and continuously removing the composite material. The floor covering may be a layer of woven or tufted structure composed of wool, viscose rayon, polyamide, acrylic or polyester fibres or mixtures thereof. The rotating cylinder may be coated with a silicone or wax as release agent and the liquid mixture of foam-forming ingredients may be sprayed on to a porous carrier of glass fibre tissue or paper passing round the cylinder. Apparatus for effecting the above process comprises a rotating heated cylinder 3, a spray head 1 for delivering foam-forming ingredients to the periphery of the cylinder, a guide roller 8 for bringing the sprayed carpet 7 into contact with the foam layer 4 on the cylinder, means for maintaining the composite so formed in close contact with the cylinder and means for continuously removing the foamcoated carpet.
Patent GB-613114-A (GB)
Title: Magnetic recording and reproducing apparatus
IPC: G11B15/62
Filed: 1945-08-22
Abstract: 613,114. Magnetic wire recording and reproducing apparatus. BRUSH DEVELOPMENT CO. Aug. 22, 1945, No. 21542. Convention date, Aug. 22, 1944. [Class 40 (ii)] In an apparatus for recording and reproducing sound on magnetic wire, the wire is carried on spools in a detachable unit separate from the part containing the driving means and the transducer, and is so arranged that driving engagement between the said driving means and 'the spools, and operative engagement between the wire and the transducer is automatically effected when the spool-containing unit is placed into position. In one form of construction, shown in Figs. 1, 2 and 3, the spools 30-1, 30-2 are mounted freely on a shaft 45, but are coupled together by a spring-member 47 biassed in such a direction that the wire is always drawn taut over the guidepulleys 51, 52, 53-53 and 54. The wire is driven past the transducer 35, which bears on the wire between the pulleys 53, 53, by the motor 81 via the friction wheels 82, 84 or 84-1 (according to direction of drive), and 56. The wheel 56 is mounted on the shaft 55 which also carries the guide pulleys 51, 54, whereby drive of the wire from one spool to the other is effected. The motor 81 is of the type which may be reversed by suitable switching, and is operated, as illustrated in Figs. 2 and 3, by a lever 91 which is spring- biassed to its centre position. Its operation causes the relay-coil 93 or 93-1 to be energized and the switch retained in position. A member 101, having arms 103, 104, Fig. 3, is moved up and down on a rod 102, Fig. 1, for even distribution of the wire on the spools, by a cam operated by the motor as shown in Figs. 2 and 3. Extra switch-contacts, operated by the rod 115, are provided, which are parallel connected so that the motor-circuit cannot be broken until the member 101 has moved the fullest extent of its travel in one direction. Two further constructions are described and illustrated in Figs. 10 to 19 inclusive (not shown).
Patent GB-597604-A (GB)
Title: Improvements in stoppers for bottles and similar containers
IPC: B65D39/16
Filed: 1945-08-23
Abstract: 597,604. Stoppers. POPPER, J. Aug. 23, 1945, No. 21602. [Class 125 (iii)] A stopper for bottles and similar containers comprises a top 4 of rigid material provided with a substantially cylindrical cavity 5 which has an opening of smaller diameter so as to form a circular flange 6, and a truncated - ellipsoidal body 1 formed by compressing radially at its larger end a truncated cone of elastic material and introducing the compressed end into said cavity. The body material expands to fill cavity 5, as indicated at 7, and also fills notches 8 which . may be made in the edge of flange 6 to prevent relative rotating movement between top and body.
Patent GB-169060-A (GB)
Title: Improvements in or relating to the burning of carbon electrodes in electric furnaces
IPC: C04B35/532
Filed: 1920-07-19
Abstract: 169,060. Sieurin, S. E. July 19, 1920. Furnace details. - Electrodes 2 moulded from a carbonaceous mixture and initially non-conductive are baked by passing current first through resistances 4 separated by insulating packing 3, and then through the electrodes themselves, at which stage the resistances may be removed. The resistances 4 may be embedded in the packing 3 or may consist of metal jackets enclosing the packing and optionally surrounded by a similar packing.
Patent GB-442769-A (GB)
Title: Improvements in or relating to mudguards for cycles
IPC: B62J6/04
Filed: 1935-07-31
Abstract: 442,769. Cycle mudguards. BRITTON, C. E., c/o C. E. & J. P. Britton, Ltd., Westwood Road, Witton, Birmingham. July 31, 1935, No. 21676. [Class 136 (i)] A celluloid mudguard for cycles comprises a black or coloured body portion and a readilyvisible white tail or panel which is integral with, or forms an integral extension of, the body portion. The mudguard is preferably made by first cutting a sheet from a composite block of celluloid comprising a thick layer of black or coloured material and a thin layer of white material, and then cutting the sheet, at right-angles to the line of demarcation between the layers, into strips of the appropriate width, these strips being then moulded by heat and pressure into mudguards of the required shape.
Patent GB-1276475-A (GB)
Title: Improvements in or relating to the shutting-off of pipelines
IPC: F16L55/02
Filed: 1971-04-19
Abstract: 1276475 Stopping pipes SIEMENS AG 19 April 1971 [13 Feb 1970] 21683/71 Heading F2P A pipe shutting-off device comprises two segmental sealing plates 3, 4 each having a first arcuate edge portion co-operating with the inner surface of the pipe 1 and a second edge portion co-operating with a support 8 which moves in the plane of the plates transversely of the pipe axis. The plates are moved into sealing engagement with the pipe by the downward movement of the frusto-conical support 8, which is held in a frusto-conical seating 12 in a pipe union 2, through which the device parts were introduced into the pipe, by bolts through adjacent flanges 13, 14. The support 8 is located opposite the seating 12 either in a recess 11 or an inwardly projecting bearing. The plates 3, 4 locate in grooves in the pipe 1 and the support 8 and are sealed by soft material sealing strips encircling the plate edges.
Patent GB-500479-A (GB)
Title: Method of producing compressed bodies from artificial resin masses
IPC: C08J5/00
Filed: 1937-08-06
Abstract: 500,479. Moulding artificial resins. ROMMLER AKT.-GES., H. Aug. 6, 1937, No. 21744. Convention date, Aug. 6, 1936. Drawings to Specification. [Class 87 (ii)] Compressed bodies are produced from thermosetting artificial resins, particularly of the pheno- or amino-plastic types, by preheating the material outside the mould and without the use of pressure to a temperature over 100‹ C. until the maximum plasticity is reached, whereupon the material is placed in the mould and hardened under heat and pressure. The material is preferably heated between metal plates. The material may be in pulverulent or tablet form or may comprise pieces of fabric impregnated with resin. A curve is given showing the preheating periods required to produce maximum plasticity for different preheating temperatures from 100 to 140‹C., the plasticity being measured by the penetration of a steel ball. In the case of tablets, it is found that there is a maximum thickness of tablet permissible for a given temperature in order to ensure uniform heating throughout the tablet and a curve is given showing the dependance of the maximum tablet thickness on the preheating period and temperature. Heat penetration was measured by piercing a tablet and inserting a thermo-element.
Patent GB-1131994-A (GB)
Title: Improvements in or relating to clutch actuation devices
IPC: F16D25/12
Filed: 1967-05-11
Abstract: 1,131,994. Controlling clutches. FICHTEL & SACHS A.G. 11 May, 1967 [14 May, 1966], No. 21851/67. Heading F2L. A pneumatic or hydropneumatic spring assister for a vehicle clutch control mechanism resists disengaging movement of a clutch pedal during the initial part of its travel and thereafter assists the pedal movement, the assisting force increasing as clutch disengagement increases. As shown a clutch pedal 1 is pivoted at 4 and actuates the clutch by way of an hydraulic system 5. The pedal is fast with a forked lever 3 which is pivoted at 7 to a cylinder 8 of a pneumatic or hydropneumatic spring 6. A piston rod 9 of the spring is pivoted at 10, and the arrangement is such that in the clutch engaged position shown in full lines the spring opposes disengaging movement of the pedal with decreasing force until the line of action of the spring passes through the pivot 4 of the pedal, whereafter the pedal movement is assisted with increasing force until the fully disengaged position is reached. The piston of the spring acts as a dashpot, and incorporates valves providing a restriction during return movement of the pedal to restrict the rate of re-engagement of the clutch.
Patent GB-278493-A (GB)
Title: Improvements in or relating to means for silencing the exhaust from engines
IPC: F01N1/06
Filed: 1926-09-06
Abstract: 278,493. Truss, T. F. J. Sept. 6, 1926. Exhaust silencers.-In silencers of the type described in Specification 26165/05, in which the exhaust passage is divided into branches of unequal length which are united before discharge takes place into the atmosphere, one of the branches comprises two straight or circular parallel portions connected by an adjustable tubular junction piece which telescopes in or over such parallel portions. A fitting 8 carries an inlet socket 7 and an outlet socket 9 which are connected on the one hand by a passage 10 of fixed length and on the other hand by a passage oi adjustable length comprising straight parallel portions 11, 12 over which telescopes a junction piece 13, 14. The junction piece may be adjusted by a screwed rod 17 and nuts 18, by a rack and pinion or by worm or bevel gearing. Alternatively the shorter branch 10 may be adjustable and the junction piece may telescope inside the ports 11, 12. In a modification, Fig. 2, the inlet pipe 6 discharges at about the centre of a spherical expansion chamber 19 which is connected with the discharge end 22, which may be of fish-tail form, by a coil 10 of fixed length and coils 20, 21, straight portions 11, 12 of which are connected by an adjustable junction piece 13, 14 having a coiled portion 15. A fine adjustment of the length of the passages may be effected by providing subsidiary junction pieces on the coiledpart 15. The outlet 22 may discharge into a casing 23 having air-inlet slots 25. The parallel portions 11, 12 instead of being straight may be circular.