baber/WOPTO huggingface dataset:
Patent GB-1096177-A (GB)
Title: High power synchronous electric machines
IPC: H02K3/00
Filed: 1965-04-07
Abstract: 1,096,177. Windings for dynamo-electric machines. ALLM€NNA SVENSKA ELEKTRISKA A.B. April 7, 1965 [April 8, 1964], No. 14705/65. Heading H2A. In a synchronous machine of high power (at least 10 MVA) the windings are carried on a smooth armature without the use of slots, and because of the heavy main and quadrature flux traversing the conductors, these are closely subdivided and transposed. The conductors are divided into flat part-conductors 8 set radially (i.e. edgewise to the main flux) and stacked circumferentially to form groups, these groups being stacked radially, e.g. as shown in Fig. 6. Stacks of groups may be spaced by a cooling duct 9. Neither the conductors nor the part-conductors are transposed in the coil. However, a transposition effect is produced by connecting both across chords of the machine so that most coils are of pitch less than 180 degrees. Thus, in Fig. 3, shows a phase comprising three coils A, B and C, the port-conductors 1, 1<SP>1</SP> (for instance) of each coil being connected directly across the rotor chord, all such port-conductors being series connected as shown in Fig. 4 or 5 (not shown). In a four-pole machine as shown in Fig. 7 (not shown), the phase bands form coils 13, 14 each of ten subdivided conductors AI, AII. . . EII. These coils are connected by a conductor 15 which is transposed 180 degrees. In two-pole machines the 180 degrees twist may occur between radially separated layers. Alternatively two twists may occur between circumferentially spaced sections of the winding (M and N, in Fig. 8, not shown). The winding may be applied to the rotor, or to the stator (Fig. 9, not shown) blocks of windings being held by teeth 91.
Patent GB-1420935-A (GB)
Title: Safety locking means for a door
IPC: B62B7/06
Filed: 1972-03-29
Abstract: 1420935 Locks D STEAD 29 March 1973 [29 March 1972] 14772/72 Heading E2A [Also in Division G4] A door comprises a lock which is normally inoperative, an electrically energised device for maintaining the lock in the locking condition and a fire detector connected electrically to the electrically energised device to de-energise the device when the detector detects a fire, the electrically energised device when de-energised causes the lock to be released. The lock comprises a sliding bolt 24 urged by a spring 30 to an inoperative position and a solenoid 26 which when energised maintains the bolt in fastening position. The bolt 24 is mounted in a frame 32 with glass panels in the door and the core of the solenoid 26 is integral with the bolt which projects into a recess 22 in a striker plate 20. The solenoid is in a circuit comprising a manually operated switch 36, a smoke detector switch 38, a fire detector switch 40, micro switches 42, 44 and a relay switch 46 connected to a power supply 34. The microswitches 42, 44 are opened by breaking a respective glass panel the switch 36 is opened manually and the switches 38, 40 are opened by a fire thereby deenergising the solenoid and releasing the bolt 24. The relay contacts close on opening the solenoid circuit and close a circuit to a siren 48 and a lamp 49 connected to a battery 47 or the power supply. Alternatively, as shown in Fig. 3, the bolt 54 is held projected by a solenoid 72 operated secondary latch bolt 66 which engages a notch in the bolt 54 when the solenoid is energised and releases the bolt when the solenoid is deenergised. A plurality of locks may be connected to release simultaneously or they may be actuated separately and each may be connected to a control panel having a lamp for each lock, the lamp being extinguished when the lock is released.
Patent GB-237070-A (GB)
Title: Improved boring machine of horizontal type
IPC: B23B39/02
Filed: 1924-06-19
Abstract: 237,070. Taylor (Birmingham), Ltd., C., and Astbury, G. F. June 19, 1924. Lathes.-In a lathe particularly designed for boring the tapered plug-holes of cocks or for turning the plugs themselves the headstock mav be swivelled to cut on a taper, and the tool-saddle g is fed by means of a nut i engaging a-permanently fixed screw h on the bed and rotated through gearing from a shaft driven by changegearing c from the headstoch-spindle a<3>. The nut carries gears i<5>, in, Fig. 4, the former engaging a gear ) and the latter an idle pinion meshing with a gear j<2>. Either of the gears j, j<2> may be clutched to the shaft d by a dog-clutch l, which mav be operated by hand or automatically through adjustable stops l<3>, l<4>, Fig. 1, on a rod m attached to the bed and the clutch lever l<2>. Depressions l<9> on the saddle may retain the clutchlever in the forward, reverse or neutral position. The nut may be rotated by hand through a wheel n and gears n<3>, i<7>. Ball bearings i<3>, i<4> take the end thrust of the nut. A slider on the saddle is traversable by a wheel g<3> and a screw. Turrets.-Two tools, for roughing and finishing, are mounted in a holder f rotatable in the slide on the saddle by means of a handle and stops to bring either tool into operation. Chucks.-The work e is gripped in a two-part. holder e<3>, e<4> held by the chuck-jaws e<5>, e<6>.
Patent GB-998349-A (GB)
Title: Servo-operated brake systems
IPC: B60T13/24
Filed: 1964-04-10
Abstract: 998,349. Fluid-pressure brakes. WESTING- HOUSE BREMSEN-G.m.b.H. April 10, 1964 [Nov. 12, 1963], No. 14907/64. Heading F2F. A duel circuit fluid-pressure braking system comprises a tandem master cylinder 1 the hydraulic outputs 2 and 3 of which are connected to separate sets of brakes 4, 5, a pneumatic servomotor for operating the master cylinder by admission of air from either or both of two reservoirs 18, 21 to either or both of two inlets communicating with separate chambers 8, 10 by which either or both of two normally contacting coaxial pistons 7, 9 actuates the master cylinder via a rod 11, and a dual valve assembly comprising valves 16, 19 for controlling the pressure in chambers 8, 10 respectively, of which the valve 19 has a stronger or additional return spring 24 whereby on joint operation of the valves by a pedal 23 via a bridge connected centrally to the pedal at 22 the pressure in chamber 8 is arranged to be always higher than that in chamber 10 so long as pressure is maintained in both reservoirs. Should pressure fall in either reservoir the appropriate piston 7 or 9 will still be actuated to operate the master cylinder.
Patent GB-541611-A (GB)
Title: Improvements in chaser blocks and carriers
IPC: B23G5/10
Filed: 1940-10-07
Abstract: 541,611. Screwing-die heads. FAIRWEATHER, H. G. C. (National Acme Co.). Oct. 7, 1940, No. 14960. [Class 83 (iii)] A chaser holding means comprises a chaser block on the face of which is pivoted a chaser carrier so that it may be adjusted to change the clearance or rake angle of the chaser, the adjustment of the carrier being limited by means having engagement with the chaser block and carrier for resisting cutting strain. The same set of chasers may thus be used in cutting metals requiring different clearance or rake angles. Each chaser 4 is secured by a taper headed screw 5 engaging a tapered hole 8 in a carrier 2 which is mounted on a block 1 having a T-projection engaging a T-slot in a die head. The carrier is secured to the block by a screw 10 which may be loosened to serve as the pivot about which the carrier is rotated to effect radial adjustment of the chaser. The carrier is provided with an adjustable screw 11 with tapered point 12 seating in a tapered hole 13 in the block 1. In order to vary the clearance angle the screw 10 is loosened, the carrier 2 rotated about it as a pivot, the screw 11 positioned with its tapered end in the tapered hole to resist cutting strain and prevent rotation of the carrier, the screw 11 is then fixed by a set screw 14 and the screw 10 then tightened to force the face 15 of the carrier against the block 1.
Patent GB-250790-A (GB)
Title: Improvements in x-ray tubes
IPC: H05G1/68
Filed: 1925-06-09
Abstract: 250,790. Schall, W. E., and Tozer, R. J. M. June 9,1925. R÷ntgen-ray tubes.-The hardness of X-rays produced by a gas-containing tube with a non- heated cathode is regulated by a device controlling the speed of the electrons, and consisting of a metal ring e, Fig. 1, centrally arranged in the tube at right-angles to its axis, and connected to a terminal f. This terminal can be connected to the anti-cathode terminal either directly or through a variable resistance or a gap between needle points i, i', Fig. 4. One of these points is attached to the inside of an insulating casing h fitted over the end of the tube, while the other is carried by a pivoted arm j adjusted by a spirally-slotted disc k which is rotated by an external knob.
Patent GB-583608-A (GB)
Title: Improvements relating to chucks
IPC: B23B31/117
Filed: 1945-06-14
Abstract: 583,608. Sockets. YOUNG, J. L. June 14, 1945, No. 15073. [Class 83 (iii)] A coiled spring, anchored at one end to a body in which it is housed, receives the shank of a tool so that rotation in one direction effects a driving engagement, whilst a slight rotation in the reverse direction accompanied by a pull on the tool effects release. The body 1 is recessed to receive a coiled spring 3, the outer free-end of which is extended externally of the body and is anchored by a set-screw 9. A taper-nosed cover 11 is axially bored to form a support and guide to the tool 15. The body is attached to the machine spindle by a shank 16. When used for tapping nuts, the tap may be removed without stopping the machine by gripping the nuts collected along the tool shank and pulling. The wire may be round or square.
Patent GB-1077262-A (GB)
Title: Improvements in or relating to circular knitting machines
Inventor: KENT ALFRED WOODWARD
IPC: D04B15/61
Filed: 1963-04-17
Abstract: 1,077,262. Knitting machines. BENTLEY ENGINEERING CO. Ltd. April 8, 1964 [April 17, 1963], No. 15092/63. Heading D1C. A circular knitting machine having a welt dial 5 with welt hooks 18 acutated by a stationary cam plate 6 is provided with a pair of yarn cutting devices arranged above and below the welt hooks respectively. These devices comprise circular cutters 19, 20 concentric and rotating with the dial 5 and cooperating with stationary cutter blades 22 and 25 (see also Fig. 3) respectively. The blades 22 and 25 can be raised successively out of action by a Bowden cable 30 as desired, the cutter 25 being used during the welt formation, so as to leave the welt hooks free for operation, whilst the cutter 22 is used during normal knitting when these operations involve yarnchanging or splicing. Both cutter blades 22 and 25 may be lifted clear when no yarnchanging or splicing is required to reduce wear on the cutting elements. A suction device is provided for holding the inoperative yarns and for sucking away the cut ends. When cutter 22 is lowered a cam plate 28 is also lowered to engage and retract any welt hook which is out.
Patent GB-116441-A (GB)
Title: Improvements in Wood Mattresses.
IPC: A47C23/145
Filed: 1917-10-18
Abstract: 116,441. Gale & Sons, G., and Ward, W. H. Oct. 18, 1917. Mattresses.-The end bars of mattresses are formed of two lengths of timber a<1>, a<2> connected by dowels b and cambered to resist the strain of the mattress mesh c. The face of the bars opposite the mesh is formed with a slot in which is fitted a dowel d having circular ends d<2> through which are passed screws e.
Patent GB-529640-A (GB)
Title: Improvements in or relating to machines for twisting together threads or the like
IPC: D02G3/28
Filed: 1939-05-22
Abstract: 529,640. Twisting threads. GLEMSFORD SILK MILLS, Ltd., and WALTERS, J. S. May 22, 1939, No. 15206. [Class 120 (ii)] Two yarns, or a multiple of two, are twisted together while each receives no individual twist, by causing an outer yarn or yarns to rotate and balloon about an inner yarn or yarns, the supply packages for the inner yarn being situated inside the balloon formed by the outer yarn and both of the yarns being caused to travel over and with a rotary device and through the centre thereof to the take-up device. As shown the supply spool 11 for the inner yarn 12 is carried by a weighted bracket 9 carried by a bearing 7 floating on the hollow driven spindle 1 carrying a disc flyer 5 to which the outer yarn 13 is led from a supply spool 14. The yarn 13 in its passage to the hollow spindle passes over the flange of the disc and through an aperture 6 therein while the yarn 12 passes through the part of the spindle supporting the floating bearing .7 before passing over the flange of the disc to the hollow spindle where it is twisted symmetrically with the yarn 13. The weight 8 which maintains the bracket 9 stationary may be replaced by magnetic, gaseous or fluid pressure means, and the flyer 5 may be in the form of a cone, cylinder or spider; the axis of the mechanism could be inclined to the horizontal. A drop wire 25 suspended from each yarn and from the composite yarn 20 is connected electrically or mechanically with starting and stopping mechanism, the drop wire in the inner yarn 12 being arranged to break the yarn 13 to stop the mechanism.
Patent GB-1420811-A (GB)
Title: Continuous automated plastic moulding method and apparatus
IPC: B29C61/00
Filed: 1973-03-29
Abstract: 1420811 Injection needles ABBOTT LABORATORIES 29 March 1973 [7 April 1972] 15217/73 Heading A5R [Also in Divisions B5 and B8] Needles 48 supported in carriers 50 are fed to and delivered from a mould 99, where syringe bodies 46 or holding plates 32 (Fig. 42, not shown) are injection moulded thereabout, by two indexable transfer wheels 70, 75 each having carrier receiving stations on the periphery thereof, and by a conveyor 130 for advancing the carriers from the first transfer wheel 70 to the mould and then on to the second transfer wheel 75. The needles 48 are loaded into openings 52 in mould cores 51 on the carriers 50 by a device 100 at the 3 o'clock position of the wheel 70. Sheaths 49 are correctly orientated and fitted onto the bosses 47 moulded onto the needles by a device 165 at the 3 o'clock position of the second wheel 75. The syringe bodies are stripped from the cores 51 at the 5 o'clock position and fall into tubes 201 on a discharge conveyor 202. The stripped carriers 50 are ejected into a return track 250 from the bottom of which they are returned to the first wheel by an elevator 260.
Patent GB-1493858-A (GB)
Title: Mandrel for holding metal cans
IPC: B21D51/26
Filed: 1975-03-07
Abstract: 1493858 Flanging STOLLE CORP 7 March 1975 [11 March 1974 18 Feb 1975] 15302/77 Divided out of 1493875 Heading B3E The subject-matter of this Specification is identical with that described in parent Specification 1,493,875, but the claims are concerned with a mandrel having an inner member with stepped expanding surfaces.
Patent GB-129870-A (GB)
Title: Improvements in or relating to Overhead Travelling Cranes.
IPC: B66C11/00
Filed: 1918-09-20
Abstract: 129,870. Ransomes & Rapier, and Lewis, R. S. Sept. 20, 1918. Overhead travellers.-In overhead travelling bridge cranes the drum G, Fig. 5, of the crab F slightly overhangs the girder structure which has an inclined or undercut side A in order that the hook G<1> can be raised to the top of the girder without the load-supporting slings fouling. Tipping of the crab due to over-loading is prevented by a stop K<2>, and the tendency to tip is reduced by attaching the driver's cage M to the crab at the side opposite to the load. The load may be balanced by arranging the drum G, as shown in Fig. 4, and passing the hoisting rope over a guidepulley G<3>.
Patent GB-1103136-A (GB)
Title: Improvements in or relating to particle detectors
IPC: G01N21/53
Filed: 1966-04-07
Abstract: 1,103,136. Photo-electric particle detection. PYROTECTOR Inc. April 7, 1966 [April 28, 1965] No. 15507/66. Heading G1A. Smoke particles contained in air circulating through a chamber 24 are detected as they scatter light on to a photo-resistor 16 from a beam projected across the chamber from a neon lamp 14. The gas-filled envelope of the lamp contains elongated electrodes and the light beam emanates from the plane end-face of the envelope which has been found not to become coated with electrode metal when the lamp ages as the side-walls do. The lens 40, in front of the detector, provides a narrow field of view for the detector which passes through the projected beam. Shields 42 and 44 prevent light reflected off the light guide 32 and light trap 34 respectively, from impinging on the detector. Air enters the chamber by passing under the top and bottom covering plates 12 supported upon lugs projecting from the top and bottom of the wall 18.
Patent GB-887282-A (GB)
Title: Improvements relating to bricks or blocks for furnaces and the like
Inventor: SLACK LEONARD
IPC: F27D1/08
Filed: 1958-05-14
Abstract: 887,282. Refractory bricks. SLACK & SON Ltd., L. May 14, 1959 [May 14, 1958], No. 15572/58. Class 51 (2). A refractory brick 3 has embedded therein a support member 1 comprising metal wire bent into an inverted U-shape with crossed legs 6 and a loop 4 in a recess 5 extending across the top of the brick. The legs 6 may be of sinuous shape.
Patent GB-605851-A (GB)
Title: Improvements in or relating to valves, plug cocks or bib taps
IPC: F16K5/02
Filed: 1945-04-24
Abstract: 605,851. Valves modified to receive thermometers. HADEN & SONS, Ltd., G. N., BRUCE, H. H., HARRISON, E., and PATERSON, J. R. April 24, 1945, No. 15674/46. Divided out of 605,783. [Class 135] The spindle h of a valve is made hollow to take a thermometer, the hollow in the spindle being separated from the fluid passage of the valve by a wall of conducting material which has no axial movement in relation to the valve as a whole. The invention is shown applied to a plug cock in which the fluid enters through the larger end of the plug and passes out through a side port g. Interposed between the plug and the casing is a liner c formed of a compound of metal and graphitic carbon, or of paste containing steatite, and provided with a self-lubricating surface. The upper end of the spindle h is normally closed by a dust cover h<SP>6</SP>. Close-fitting of the plug in its liner is assured by the pressure of the fluid and by a spring i located between a flange m in the valve casing and a disk abutting against a ring k lodged in a recess in the spindle. An operating knob h<SP>1</SP> is secured to the spindle directly or by a tongue-and-slot arrangement h<SP>2</SP>, or, alternatively, the end of the spindle is shaped to take a key and is provided with an indicating pointer, the whole being closed in by a screwed cover.
Patent GB-1501512-A (GB)
Title: Process for the separation of micro-organisms from a culture medium
IPC: C12N1/02
Filed: 1975-04-16
Abstract: 1501512 Recovering micro-organisms from hydrocarbon fermentations PETROLCHEMISCHES KOMBINAT SCHWEDT VEB 16 April 1975 [29 April 1974] 15710/75  Heading C6F A process for the separation of micro-organisms e.g. yeast from a culture medium in the aerobic fermentation of the micro-organisms in liquid hydrocarbons in the presence of an aqueous nutrient solution involves emulsifying the culture medium and adding to the emulsion 0À1 to 5À0 g  per kg of a separating agent which is a phosphatidic hydrocarbon extract obtained where microorganisms cultivated in a liquid hydrocarbon distillate are purified by extraction (see below), the micro-organisms being removed by phase separation after about 3 minutes. The biomass is recovered from the aqueous phase and dried, and the dried biomass is further purified by extraction with a solvent in order to remove any petroleum distillate still present. From the resulting extract after removal of the solvent by distillation or acetone precipitation there is obtained the solvent-free phosphatidic hydrocarbon extract for use as the separating agent in the process. In an Example, the phosphatidic hydrocarbon extract consisted of a 1% solution in petroleum distillate of 18À0% phosphatides of the lecithin type, 17À0% phosphatides of the kephalin type, 32À4% triglycerides, diglycerides, monoglycerides and free fatty acids, 0À6% steatin and ubiquinone, and 32À0% hydrocarbons.
Patent GB-457536-A (GB)
Title: Improvements relating to blocks for road surface marking
IPC: E01F9/07
Filed: 1935-05-31
Abstract: 457,536. Road-surface markings. SHAW, P., 1, Mill Lane, Boothtown, Halifax, Yorkshire. May 31, 1935, No. 15826. [Class 3 (ii)] In road blocks for surface markings, such as those described in Specification 436,290, in which reflectors are provided on raised blocks which yield when travelled over by the wheel of a vehicle, means are provided whereby the reflectors are automatically cleaned during the movement of that part of the block in which the reflectors are mounted. The yielding block A is supported at its ends in a metal casting B by projections b<1>, which pass through holes in the end of the block, and in one form of the invention, shown in Figs. 1 and 3, two edge portions a of the block, situated immediately below the reflectors, and separated from the main portion of the block by slits D, are supported by means of lugs b. When the block is depressed, the reflectors are wiped against the fixed portions a. In a modification, Fig. 6, suitable rubber or other wipers F are mounted in the walls of the metal casting. In another modification, Fig. 7, holes G are provided so that when the block is depressed the air trapped beneath the block is ejected in the form of jets which serve to clean the reflectors. In all three modifications, the part of the block which is depressed may be resiliently supported by a flexible rubber support E. Instead of being supported at the ends by means of the projections b<1>, the block A may be formed with recesses at the sides to engage projections in the walls of the casting.
Patent GB-872655-A (GB)
Title: Improvements in or relating to heating control arrangements
Inventor: LOVEGROVE HENRY JOSEPH
IPC: G04C23/34
Filed: 1958-05-16
Abstract: 872,655. Control systems for heating- apparatus. SANGAMO WESTON Ltd. May 11, 1959 [May 16, 1958], No. 15834/58. Class 38 (4). [Also in Group XXXVII] A control system for a storage heating apparatus comprises means whereby the amount of heat energy stored during the heat storage period is controlled in accordance with the anticipated heat requirements during the heat release period. A storage heating apparatus 15 is controlled by means of a switch 14 operated by a motor 12 and which is closed only during the " off-peak " or storage period and a thermally-responsive device 11, the bimetal switch 32 of which is normally closed. The heater 33 of the device 11 is energized over a switch 16 which is continuously opened and closed by the motor 12 whereby the current flowing in the heater 33 is in the form of a series of pulses, the pulses being so controlled that the duration is progressively diminished. Thus during the heat storage period of the apparatus 15, the loss of heat from the device 11 is greater than the heat generated by the heater 33, whereupon the bimetal switch 32 remains closed to maintain the supply to the apparatus. Should, however, the ambient temperature rise during the heat storage period, suggesting that the heat requirement of the subsequent heat release period will be lessened, the loss of heat from the device 11 will be such that the switch 32 will open to interrupt the supply to the storage apparatus 15. The motor 12 operates to close the switch 14 at the beginning of the heat storage period and to open it at the end thereof. The switch 16 is operated so that its closure time decreases or increases as desired. In another embodiment the heater 33 of the device 11 may be supplied before the beginning of the storage period and in yet another embodiment the heat storage apparatus 15 may be arranged to be energized during a desired portion of the heat release period. Means may be introduced to compensate for changes in temperature in the space in which the apparatus 15 is situated.