baber/WOPTO huggingface dataset:
Patent GB-663520-A (GB)
Title: Improvements in or relating to wire-wound electrical components
Inventor: SMITH SIDNEY REYNELL
IPC: H01F41/12
Filed: 1947-11-28
Abstract: The surfaces bounding the coil-receiving space of a spool &c for use in electromagnets &c. is coated with insulating material by projecting thereagainst a spray of finely-divided solid particles heated to such an extent that they adhere to the p  surfaces to be electrically insulated.  The material, e.g. powdered polythene, shellac, ebonite &c. is preferably sucked from a container and propelled by a spray gun through a flame on to a pre-heated spool. After the wire has been wound upon the spool &c. an outer protective coating may be applied in the above manner.  In cases where the electromagnet has two or more windings, adjacent windings may be separated by an insulating layer applied in the above manner.  As an alternative, the spool may be sprayed with varnish, then with fibres, and then finally with varnish or with heated powdered insulating material.
Patent GB-384768-A (GB)
Title: Improvements in or relating to electric signalling apparatus for calling attendants
IPC: H04B5/00
Filed: 1931-11-13
Abstract: 384,768. Electrically-released switches. GELDER, E. L. M. VAN, 11, Purcells Avenue, Edgware, Middlesex, PHOENIX TELEPHONE & ELECTRIC WORKS, Ltd., The Hyde, Edgware Road, Hendon, London, and MARKS, L. V., 66, Sunnyside Gardens, Upminster, Essex. Nov. 13, 1931, No. 31529. [Class 38 (v).] In an indicator of the type wherein energization of a trip magnet allows an indicator to be projected under spring control, the indicator is in the form of a lamp which is automatically lighted when in the projected position. Upon operation of the trip magnet 7 the armature is moved out of engagement with a projection 14 and a member 12 carrying a lamp casing 18 is projected along the guide pins 13 by springs 15. The lamp 21, Fig. 3, is connected to contacts 25, 26 on the member 12, the contacts being adapted to engage stationary supply contacts 2a, 2d when the member is projected in order to illuminate the lamp. The contact 25 also bridges the contacts 2a, 2b, 2c to operate additional indicators in parallel with the lamp. The lamp cover 18, which may be of glass or other transparent material forms the means of resetting the indicator.
Patent GB-392835-A (GB)
Title: Improvements in sectional cupboards, bookcases and the like
IPC: A47B87/02
Filed: 1932-11-08
Abstract: 392,835. Cabinets. REENS, M. A., 85, Distelweg, Amsterdam. Nov. 8, 1932, No. 31557. Convention date, Nov. 10, 1931. [Class 52 (i).] A sectional cupboard comprises vertical sides 2 formed with one or more vertical grooves 6, 12 in which loose pins 8, 13 are placed ; these pins are of such a length that their ends project into apertures in the edges of the parts 3, 4, forming the top and bottom of each section. Each top and each bottom consists of two parts 3, 4, the adjacent edges of which have half-round grooves forming when they abut a round aperture for a connecting pin. The cupboards are completed by a thin back panel 5.
Patent GB-485381-A (GB)
Title: Improvements in and connected with the separation of solid materials of different specific gravities
IPC: B03B9/00
Filed: 1936-11-18
Abstract: 485,381. Separating granular materials. RIDLEY, F. F., and COLLIERY ENGINEERING, Ltd. Nov. 18, 1936, No. 31619. [Class 82 (ii)] Solid materials, particularly raw coal, of different specific gravities and mixed sizes, including fines, are separated by dividing them into predetermined size ranges, the fines being then separated on a pneumatic table and the larger sizes by a heavy liquid process, after which the cleaned products are mixed. Alternatively, the damp materials are divided into two size ranges on a primary screen, the smaller size range including the fines being treated in an upward - current pneumatic deduster, with hot or cold air or gas and fed, minus the dust, to a second screen on which the fines are separated out, after which the fines are treated by a pneumatic stratification process ; the remainder of the material from the second screen is mixed with the larger sizes from the primary screen and the mixture is separated by a wet washing process. In a modification of this method, the pneumatic deduster separates the material into dust, medium fines, and a larger range, the use of a second screen being thereby avoided. In the plant shown, raw coal of sizes ranging, for example, from 100 mm. downwards is fed from a hopper a to a screen c which divides it into two ranges of 100-3 mm. and 3 mm.-0. The larger fraction is passed to a heavy-liquid bath d and the smaller to a pneumatic table e, which may be constructed as described in Specification 457,801. The cleaned coal from the bath d and table e is mixed and fed to a conveyer or bunker, as indicated by the arrows f, and the shale into a container g. The air-borne duct from the table e is taken to a cyclone separator i, the dust from which is mixed with the clean coal from the separators d, e. The heavy liquid adhering to the coal from the bath d is recovered by passing the coal over screens k, k<1>, the latter having a water-jet j above it. The liquid recovered on the screen k is pumped back to the bath d, and the diluted liquid from the screen k<1> to a thickening-tank l. The shale from the bath d is carried to a screen k<2> and the diluted heavy liquid there removed is also returned to the thickener l. The clarified water from the thickener is supplied to the spray j, and the re-concentrated heavy liquid to the bath d. The heavy liquid from the screen k<1> may pass to the thickening-tank by way of a frothflotation plant t, in which any coal particles are removed. The fine coal from the screen c may be passed through a de-duster e<1> which removes the finest dust from it before it passes to the pneumatic table e. If desired, the screen c may be adapted to sub-divide the larger size-range of coal, the different fractions being passed to different heavy-liquid baths or different sections of the same bath.
Patent GB-1522485-A (GB)
Title: Electrical connectors
IPC: H01R12/24
Filed: 1975-07-29
Abstract: 1522485 Electrical connectors RAYCHEM CORP 29 July 1975 [31 July 1974] 31675/75 Heading H2E  Each part of a two-part connector comprises a housing 2, 3 having substantially parallel walls 30, 31 or 30<SP>1</SP>, 31<SP>1</SP> joined to provide a substantially rectangular cross-section, which receives at least one flat connector wafer 11, 12 or 11<SP>1</SP>, 121. A transverse rib 72a, 72b on the or each wafer is abutted by a spring clip 28 mounted on the housing 2, 3 to retain the or each wafer therein. The rib or each 72a, 72b may be recessed for meshing with keys 65, 66, 67, thereby defining an orientation for the wafer(s). A tool 15 is provided for camming the spring clip and thereby allowing removal of the wafer(s).
Patent GB-817202-A (GB)
Title: Improvements in or relating to electronic intruder alarms
Inventor: GURNEY JOSEPH BENJAMIN
IPC: G01S13/56
Filed: 1957-10-10
Abstract: 817,202. Radar. GURNEY-HUGHES Ltd. Oct. 10, 1957, No. 31684/57. Class 40 (7). [Also in Group XXXVIII] In a receiver for indicating the presence of an intruder by using the ensuing low - frequency amplitude variation (arising from the Doppler effect) of a signal received from an amplitude - modulated, or unmodulated, tramitter a push-pull amplifier is used with an alarm relay in its output circuit. In a system employing amplitude-modulated (A.M.) transmissions, the signals after radio - frequency demodulation are amplified in push-pull stages V1, V2, V3, demodulated at the A.M. frequency by rectifiers 16, 17 and the slowlyvarying D.C. output (due to a moving intruder) is fed to push-pull amplifiers V5, V6 the output stage of the latter containing alarm relay 20. A monitor stage V4 provides (i) an alarm when the transmitter output falls below a predetermined value, and (ii) a meter indicating signal strength. To increase the effective depth of modulation valve V3 is so biased that the signal peak values only are amplified at full gain. If the transmissions are unmodulated the inter-stage coupling capacitors and the rectifiers 16, 17 are omitted. For guarding a fixed path directional aerials may be used.
Patent GB-500756-A (GB)
Title: Improvements in weft-supply devices of looms for weaving having weft supplies supported on stationary parts
IPC: D03D49/24
Filed: 1937-11-18
Abstract: 500,756. Looms with stationary weft supplies. GLEDHILL & SONS, Ltd., W., and GLEDHILL, W. V. Nov. 18, 1937, No. 31687. [Classes 142 (i) and 142 (ii)] Each weftbobbin is rotatably supported in an inclined slot a<1> in one of the bars a of a creel or frame and is acted upon by a braking brush &c. e<1> on an adjustably weighted lever e, the braking action of which decreases as the weft mass decreases in diameter. Each weft passes beneath spaced fingers # and beneath the horizontal portion g of a pivoted angle finger, the vertical portion of which engages a contact rod or wire when the weft fails or unduly slackens and stops the loom. Flat ribbon or tape wefts may be used.
Patent GB-1186613-A (GB)
Title: Improvements in or relating to Embossing Apparatus
IPC: B65C9/46
Filed: 1967-07-11
Abstract: 1,186,613. Embossing. MASCHINEN-UND APPARATEBAU DIETIKON A.G. 11 July, 1967 [25 July, 1966], No. 31751/67. Heading B6J. In an embossing apparatus comprising a stamping head 13, a heating head 14, a stamping plate 15 an engraved-plate holder 16 and a counter holder 19, the stamping assembly 10 is moved by engagement of cam follower roller 18 with a cam 5 (having faces 5c, 5e, 5d), the cam 5 being given translating motion by reversing solenoid 1 operating on a bar 2. Cam 5 runs with its top surface 5b against freely rotatable counter-pressure rollers 7. Stamping assembly 10 is mounted for sliding motion on guide rods (9, Fig. 2) and is restored after each stamping motion by springs (12). Embossing foil 20 is provided between plateholder 16 and counter-holder 19.
Patent GB-1497162-A (GB)
Title: Solid-state electronic timepieces
IPC: G04G5/04
Filed: 1975-07-29
Abstract: 1497162 Electronic timepieces BULOVA WATCH CO Inc 29 July 1975 [15 Aug 1974] 31793/75 Heading G3T An electronic timepiece with electro-optical display includes a mode selector logic circuit 14, Fig. 1, responsive to coded signals (dot, dash) produced, by a single manually operated switching key 15, the signals being distinguished by the number of times the key is operated and the length of time it is closed (in the case where the code includes dashes), whereby to control a display actuator 12 so as to display on demand - mins and hours or date and month or seconds or to rapidly set the time and calendar display to the correct indication. For example, if push-switch key 15 is depressed once a one dot signal is produced and the time in mins and hours is displayed. But if after an interval T set by a timer 16 in the mode selector, Fig. 2, the key 15 is still closed, a dash is sensed and seconds are displayed. Two dots call for calendar display. To select the setting mode, three dots are keyed whereupon the colon display is caused to flash: After the interval T, a set decoder 24 of a set counter 23 produces logic "1" outputs successively at its outputs 1, 2, 3, 4. The resulting command signals from respective AND gates 26-29 step the display sequentially from minutes to hours to date to month, each step having a duration T. When a particular reading to be set appears during the stepping cycle, the key is closed whereupon the timer 16 will be held in its rest state and the reading will be maintained for as long as it is held closed; the read-out will advance at faster than normal rate e.g. 1 minute in ¢ sec, 1 hour in 1 sec. When the proper number is reached the key is released and the normal advance rate will resume. After stepping through one display information cycle, the display is automatically blanked. A counter 17 acts as a key released counter and a counter 18 as a key closed counter; both counters have a maximum count of three and subsequent pulses have no effect on them. The content of counter 18 is translated by a decoder 22 into signals to cause actuation of the normal time or calendar display. In the case of an LED display the digits are activated only on demand as described above. With a liquid crystal display the hours mins and secs may be continuously activated and the normally off calendar display activated only on demand by coded signals from the key. When setting, the last two digits (of a six digit display) present in alpha form the identity of the time or calendar unit presently displayed, as illustrated in Fig. 4 (not shown). Examples of suitable codes are given, most involving dots and dashes, and one having dots only. In addition to time information other data may be selected for display, such as - barometric, tidal, menstrual period.
Patent GB-1389480-A (GB)
Title: Device for the manufacture of metal cylinders
IPC: B21D41/04
Filed: 1972-07-07
Abstract: 1389480 Spinning DALMINE SpA 7 July 1972 [9 July 1971] 31879/72 Heading B3J A forming device for closing one end of a metal tube 3 comprises a chuck 1 for holding the tube, a forming head 4 moveable along the tube axis and drive means for producing relative rotation between the tube and forming head, the forming head having a plurality of idle concave forming rolls 10, 11, 12, mounted thereon for rotation about axes inclined to the axis of the tube so that the concave surfaces of the rolls are brought into contact with different mutually overlapping circular zones of the tube as the forming head moves towards the chuck during the relative rotation. In operation the tube 3 is heated at one end and then rotated by the chuck. The head 4 is advanced by ram 6 towards the heated tube end so that the rolls 10-12 contact the rotating tube and produce a gradual shaping of the tube end into a concave bottom 13. In this embodiment the axes A-B of roll 10, Fig. 3, and C-D of roll 11 lie in a plane passing through the tube axis and through the centre of the arc of contact between the respective roll and tube, and are respectively parallel to the tangent lines E-F and G-H. In another embodiment the axes of each roll may form an angle of up to 20 degrees with its respective tangent line. In another embodiment the axes of each roll form an angle of up to 30 degrees with the plane passing through the tube axis and through the centre of the arc of contact between the roll and tube. In a further embodiment the chuck is non- rotatable and the head 4 is rotatable.
Patent GB-1111427-A (GB)
Title: Improvements in or relating to baling-presses
IPC: A01F15/10
Filed: 1965-07-26
Abstract: 1,111,427. Baling presses. R. CLAAS. 26 July, 1965 [24 July, 1964], No. 31891/65. Heading B5F. Material picked up by a pick-up drum 3 is fed by rotary feeder prongs 4 arranged at each side of the drum 3, to beneath a rake-like feeder 7 which feeds the material to a reciprocating baling ram (not shown). The feeder prongs 4 project through slots (5) in housings 6 and are mounted on, e.g. four posts 13 extending downwardly from a disc 12 mounted on a drive shaft 11. Coil springs (15), Fig. 4 (not shown) impart resilience to the feeder prongs 4.
Patent GB-1272783-A (GB)
Title: Pressure-sensitive hot-melt adhesives
IPC: C09J125/06
Filed: 1969-06-24
Abstract: 1,272,783. Pressure sensitive adhesive. FLINTKOTE CO. 24 June, 1969 [28 June, 1968], No. 31928/69. Headings C3P and C3R. A pressure-sensitive adhesive consists of (a) 25-60% of one or more ethylene-vinyl acetate copolymers, (b) 40-75% of one or more of modified rosin and coumarone-indene resins and (c) optionally 0À01-2% of one or more antioxidants. In examples commercial resins are used with glycerol, pentaerythritol and triethylene glycol hydrogenated rosin esters together with butylated hydroxy toluene antioxidant.
Patent GB-351870-A (GB)
Title: Improvements in the manner of finishing the ends of and fixing ropes
IPC: D07B9/00
Filed: 1930-10-24
Abstract: 351,870. Ropes. FELTEN & GUILLEAUME CARLSWERK AKT.-GES., 24, Schanzenstrasse, M³lheim, Cologne, Germany. Oct. 24, 1930, No. 31984. Convention date, Nov. 25, 1929. [Class 109.] A rope end is provided with a capping in a mould consisting of poor heat-conducting material, and after the removal of the mould a two or more part shackle is secured upon the capping.
Patent GB-656914-A (GB)
Title: Improvements in and relating to means for feeding small quantities of mercury
IPC: H01J9/395
Filed: 1948-12-10
Abstract: 656,914. Discharge lamps. BRITISH THOMSON-HOUSTON CO., Ltd. Dec. 10, 1948, No. 32017. Convention date, Dec. 16, 1947. Drawings to Specification. [Class 39 (i)] The exhaust stem of a fluorescent discharge lamp, through which a weighed quantity of mercury is to be introduced, has its inner wall coated with an unctuous pulverulent material to reduce adhesion of the mercury thereto. Magnesium trisilicate powder having a particle size of one micron or less may be used. The coating may be applied, either before or after the exhaust tube is sealed to the foot, by a dusting process, excess powder being removed by an air jet.
Patent GB-1415683-A (GB)
Title: Transfer device
IPC: A61G7/10
Filed: 1972-07-10
Abstract: 1415683 Transfer devices REED INTERNATIONAL Ltd 9 July 1973 [10 July 1972] 32148/72 Heading B8A A transfer device for transferring a hospital patient between a bed and a trolley and from the trolley to an operating table for example comprises a belt 1 which is wound on at either end to first and second reels 4, 5 respectively and passes over rollers 22, 8, 9, 23 to define an upper patient supporting portion 10 and a lower portion 11 for engaging with the bed or trolley or table, there being an auxiliary takeup and let-out device 6 comprising a belt 12 which is wound on a reel 14 and passes about a floating roller 15 to an anchorage 13, the roller 15 being connected to the roller 8. An electric motor 40 drives the reels 4, 5, 14 by way of respective clutches 42, 43, 44, the reels 4, 14 also having brakes (50, 60) associated therewith, Fig. 7. By disengaging the clutch 44 and engaging the electromagnetic brake 60 the reel 14 is held fixed and either of the reels 4, 5 can be driven through their associated clutch to take the belt up thereon while the belt is let out by the other reel to cause movement of the belt in the direction of either the arrows 17, 20 to cause the transfer device to track by movement of its ground engaging portion 11 to load a patient on to the portion 10 of the belt 1 while a patient may be unloaded from the device by driving the other of the reels 4, 5 to wind the belt 1 in the opposite direction. When a patient is resting on the portion 10 of the belt 1 the said portion 10 is held stationary relative to the transfer device during tracking thereof by locking the reel 4 by means of its clutch and brake 42, 50 and driving either of the reels 5, 14. In the former case the belt 12 is unwound off the reel 14 by movement of the connected reels 15, 8 to the right in Fig. 4 resulting in the position shown in Fig. 6 (not shown) with resultant movement of the transfer device in one direction. Conversely the reel 14 may be driven to wind the belt 12 back thereon thus causing movement of the reels 15, 8 to the left, back to their position shown in Fig. 4 with resultant movement of the transfer device in the other direction.
Patent GB-321689-A (GB)
Abstract: 321,689. Auer, L. May 4, 1928. Addition to 287,943. Fatty oils, polymerized; mineral oils.-In the modification of the physical properties of organic unsaturated compounds described in the parent Specification, fatty oils such as tung, linseed, castor, fish, sunflower, rape seed, pine, corn, and olive oil are heated under reduced or atmospheric pressure with modifying agents such as sodium bicarbonate to form a hardened product. A resin, for example rosin, may be added to prevent the formation of froth. Modifying agents which impart a negative surface charge to the fatty oil in which they are dispersed are particularly effective. The modifying agent may be applied in the colloidal condition and its dispersion in the fatty oil is facilitated by auxiliary substances, e.g. silica gel, formaldehyde, or phenol, or the substances comprising an organic residue united to an inorganic acidic residue described in Specification 321,724. Plasticizers such as glycerol, triphenyl phosphate, &c. may be added. The reaction mass may be treated with radiations such as X-rays, or it may be made part of an electric circuit. The modified oils or their solutions in white spirit may be vulcanized by treatment with sulphur or sulphur chloride, in the latter case the hydrochloric acid formed is removed by addition of neutralizing agents such as calcium oxide, or an organic amine or by passing therethrough a gas such as nitrogen, alone or admixed with vapours of basic substances such as ammonia, trimethylamine or unsaturated hydrocarbons such as ethylene. Accelerators such as tetramethylthiuram disulphide, activators such as zinc oxide and antioxidants such as p-amino-phenol may be used. Pigments such as gas black may be added. The products may be used in the manufacture of varnishes and lacquers. In an example, linseed oil is heated at atmospheric pressure with sodium bisulphite, a potential difference of 200-250 volts being maintained between two electrodes half an inch apart immersed in the mixture. Specification 321,725 is referred to. The Provisional Specification refers to the treatment of mineral oils.
Patent GB-982140-A (GB)
Title: Improvements in and relating to electrical plug- and socket-connections
Inventor: NEIDECKER RUDOLF
IPC: H01R13/193
Filed: 1962-08-22
Abstract: 982,140. Two-part couplings. MULTI-CONTACT A.G. Aug. 22, 1962, No. 32187/62. Heading H2E. A socket has contact springs to embrace a rigid plug pin, and a cam shaft which can be operated by a removable key or the like to tension a strip surrounding the contact springs so as to press them against the plug pin. The socket comprises a body 1 housing contact springs 5 which are partially encircled by a strip 7. The strip 7 passes over an eccentric shaft 8 journalled in the socket body 1 and rotatable by a spanner to force the contact springs 5 against the rigid plug 2. In a modification, Fig. 3 (not shown), the contact springs are formed by slotting the socket body. In a second modification, Figs. 4 and 5 (not shown), the strip forces a plunger up on to the contact springs 5.