baber/WOPTO huggingface dataset:
Patent GB-1301030-A (GB)
Title: Electronic regulating device for a voltage regulating unit
Inventor: SCHMIEDCHEN HAROLD
IPC: G05F1/573
Filed: 1970-01-29
Abstract: 1301030 Protective arrangements KOMBINAT ZENTRONIK VEB 29 Jan 1970 4421/70 Heading H2K A regulating and short circuit protective device for a voltage regulating unit (not shown) comprises a transistor Tr having its emitter and collector electrodes connected across a source of auxiliary voltage +UH, -UH, through respective first and second resistors W5, W7, the resistor W7 providing an input signal to the regulating unit, the base of the transistor being connected to a voltage divider W1 ... W3 and diode Gr, the divider being connected to the auxiliary source -UH through a resistor W6 and the diode being connected to the output - Uaus of the regulating unit, and a capacitor C2 being connected between the auxiliary source -UH and the emitter of the transistor to prevent incorrect operation when a load (indicated at CL) is initially switched on. Normally the transistor Tr is non-conducting, but should a short-circuit occur (as indicated by C1) the base of the transistor is caused to go negative by the auxiliary source -UH. The transistor Tr conducts to control the regulating unit. When switching on the load CL, any initial short-circuiting effect of the load does not cause the transistor to conduct, as the capacitor C2 initially functions to short-circuit the emitter to the auxiliary source -UH, so causing the emitter to be more negative than the base until this capacitor is charged.
Patent GB-291714-A (GB)
Title: A collar stud with an improved fixed head and shank
IPC: A44B3/02
Filed: 1928-02-13
Abstract: 291,714. Riddick, C. Feb. 13, 1928. No Patent granted (Sealing fee not paid). Studs.-The stud has a torpedoshaped head 1 of circular crosssection secured with its longitu. dinal axis at right angles to the face of a flat or oval shank 2 which tapers from the head to the base 3.
Patent GB-1140486-A (GB)
Title: Improvements relating to hydrocarbon separation
IPC: C10G25/03
Filed: 1967-01-30
Abstract: 1,140,486. Separating hydrocarbons. TEXACO DEVELOPMENT CORP. Jan. 30, 1967 [Feb. 1, 1966], No.4476/67. Heading B1L. Straight chain C 10 -C 20  hydrocarbons are separated from a petroleum fraction by a substantially isothermal process comprising introducing the petroleum fraction into an adsorption zone, containing a molecular sieve (preferably Type 5A) at elevated temperature and pressure, to effect adsorption of the straight chain hydrocarbon components, the adsorption effluent being withdrawn, and the adsorption step terminated when the zone has been charged with a normal paraffin overcharge of from 0À5 to 15% by weight. The adsorption zone is then depressurized, to a pressure less than that used for adsorption, and purged, using a desorbing medium having a major portion of straight chain hydrocarbon having a lower carbon chain length than the shortest component of the charge admixture, to remove surface adsorbed components of the charge. The zone is next repressurized, to a pressure higher than the adsorption pressure, and desorbed by using a desorbing medium having the same composition as the medium used in the purge step, until between 70 and 90% by weight of the adsorbed hydrocarbons, in the pores of the selective adsorbent, have been removed by the desorbing medium and the cycle is repeated sequentially.
Patent GB-698639-A (GB)
Title: Method of conveying especially in underground locations
IPC: E21F13/02
Filed: 1951-02-23
Abstract: 698,639. Conveyers; loading &c. GREBE, K. Feb. 23, 1951. [Feb. 25, 1950; Sept. 13, 1950] No. 4508/51. Classes 78 (i) and 78 (iv). A conveyance method utilising band sections which are moved back-and-forth upon or continuously around a support track of the type used for guiding endless conveyers is characterised in that one or more independent band sections is/are moved by several stationary and independent drive units arranged to engage the sections at points along the track which are spaced apart less than the length of the or each section whereby the latter moves to positions where the drive is obtained from the different drive units in turn. One or more band sections 4 are moved around a closed track bv means of drive units 1, 2, 3 which either consists of endless driven belts frictionally engaging the sections or consist of sprockets or toothed driven chains engaging lengths of chain on the sections. The sections pass from one drive unit to the next and at the ends of a run, both ends of a section are temporarily engaged by the same drive unit, since the units 1, 2, 3 act on both the upper and lower runs of the track. The drive units may be operated by the passage of the sections over switches which start each unit as a section approaches it and stop the unit as the section leaves it. The sections may be guided laterally by having rollers on vertical axes at each end engaging guides on the track. The sections may consist of chains between which is an openwork structure, the chains being stiffened by steel cables secured to them along their length or by springs coupled between adjacent chain links. Subsidiary tracks may be associated with the closed track and points may be provided to allow sections to be fed to the closed track from a subsidiary track or removed from the closed track on to a subsidiary track. Specifications 684,355 and 693,126 are referred to.
Patent GB-1453788-A (GB)
Title: Path finding and marking arrangement and circuit
IPC: H04Q3/00
Filed: 1974-01-31
Abstract: 1453788 Automatic exchange systems INTERNATIONAL STANDARD ELECTRIC CORP 31 Jan 1974 [2 Feb 1973] 04566/74 Heading H4K In a path finding arrangement of the type in which an offering signal is applied to an inlet at one side of a switching network and propagates through all free links to the other side of the network and a catching signal is applied at this other network side to the wanted outlet, each matrix of the network has an individual selection circuit that ensures that only one catching signals is transmitted to the next network stage towards the inlet. The Figure shows the logic associated with one matrix. An offering signal arriving at EA1, EA2, EA3 or EA4 is applied via OR gate OG1 to each of a set of gates VG21 to VG24 associated with the rows of the matrix and each inhibited if the corresponding row is busy. Those gates VG21 to VG24 associated with free rows transmit an offering signal to the logic associated with a matrix of an adjacent stage. If a catching signal is returned at EZ1, EZ2, EZ3 or EZ4 it enables those of AND gates VG51 to VG54 which simultaneously receive an offering signal from the corresponding input EA1 to EA4. A selection circuit AW (detailed in Fig. 4, not shown) selects one enabled gate and provides a corresponding output at AZ1, AZ2, AZ3 or AZ4 as a catching signal to be returned to the next network stage. One of four bi-stables B1 to B4 responds to the presence of an input and output catching signal marking or setting a cross-point of the network. If any one of a group of inlets or outlets of a network can be used the offering signal is applied simultaneously to all useable inlets and catching signals are applied to all useable outlets. Selection of a particular inlet or outlet to be used is effected after a route search has taken place. Transistor circuitry (Fig. 3, not shown) is described which enables a single wire associated with each link to convey offering, catching and hold signals. The logic circuits and holding and switch though circuits not shown may be formed as integrated circuits.
Patent GB-959851-A (GB)
Title: Improvements relating to packaging machines
IPC: B65B51/30
Filed: 1962-02-06
Abstract: 959,851. Packaging machines. TRESCOTT CO, Inc. Feb. 6, 1962 [Feb. 6, 1961], No. 4580/62. Heading B8C. A machine wraps a package along four sides with a film which is passed across the path of the package as it moves through the machine. As shown in Fig. 1, a cam 50 on a driven shaft 45, raises a heat sealing jaw 67 through cam follower 52, lever 55, shaft 57 and two rods 63; films of transparent wrapping material 1501, 170<SP>1</SP> having been previously sealed together, extend across the path of package P. As cam 50 rotates anticlockwise through 60 degrees the jaw 67 is held raised and a pusher 111, 111<SP>1</SP> is moved by telescopic arm 105 and lever 102, 103 engaging a pin 101 on cam 50 to move package P and the film to position P<SP>1</SP>, the film being guided around rollers 167, 168 on a pivoting plate 169 and guides 72, 73 on jaw 67. As the package increases the tension in films 150<SP>1</SP>, 170<SP>1</SP>, levers 161, 182 are rotated to operate switches 191, 190 to energize electric motors 158, 179 to drive rollers 156, 180 respectively which drive and support the rolls 150, 170, sufficient film being let off to cover the top, bottom and front of the package. Further rotation of cam 50 releases hook 103 when lever 102 abuts cam hub 51 and spring 115 returns pusher 111, 111<SP>1</SP>, also jaw 67 is allowed to descend. The lever 55 is engaged by a latch 126 on a rotatable plate 120, the cam 50 then engaging roller 129 on plate 120 to positively press jaw 67 toward fixed jaw 91. A switch 195 is actuated by a lever 133 to energize a heating wire on jaw 67 to fuse the films together and then sever the films to produce a seam 199. Then pin 101 on cam 50 rotates a lever 141 to release catch 126 and then cam 50 engages rollers 52 on lever 55 to raise jaw 67. The switch 195 opens to de-energize the heating wire. The films 150<SP>1</SP>, 170<SP>1</SP> may be wide enough for the side edges to be also sealed. The film encloses the two sides of an otherwise open ended package to enable the contents to be viewed, the film may be subsequently heat shrunk on to the package. Pusher 111, 111<SP>1</SP> may be adjustable for different sized packages. In Figs. 7, 8 (not shown), the package is pushed with the film on to a tiltable platform controlled by cam 50 and adjustable so that the seam 199 may be produced near the top or bottom of the package end. Reference has been directed by the Comptroller to Specification 883,112.
Patent GB-469485-A (GB)
Title: Improvements in or relating to means for illumination utilising electric discharge devices
IPC: C09K11/02
Filed: 1936-02-15
Abstract: 469,485. Discharge lamps. GENERAL ELECTRIC CO., Ltd., RANDALL, J. T., and RYDE, J. W. Feb. 15, 1936, No. 4642. [Class 39 (i)] In the manufacture of electric discharge devices combined with luminescent material excited by the discharge but only partially surrounding it, as described in Specification 460,890, the binder for the luminescent material is coated in a thin layer upon part at least of a segment of a glass cylinder whose convex surface fits the inner surface of the envelope, and the segment is subsequently introduced into the envelope so as to be in contact with or closely adjacent to its inner surface. The luminescent material may be deposited on the binder before or after its introduction into the envelope. In one form a semi-cylinder coated with willemite is supported within the discharge tube by spring clips. In a modification, Fig. 2, two quarter-cylinders 5, 6 are coated with different materials, e.g. cadmium silicate and zinc orthosilicate, and are supported adjacent one another by clips 4. A thin layer of an auxiliary material (cadmium silicate) may be coated on the envelope or on a further semicylinder arranged opposite that carrying the main luminescent material (zinc silicate). The glass segment may be polygonal in crosssection and need not have straight edges. According to the Provisional Specification the glass segment may be replaced by any body coated on part of its surface which is turned towards the discharge.
Patent GB-781105-A (GB)
Title: An apparatus for the rapid drying of printed sheets
IPC: B41F23/04
Filed: 1955-02-17
Abstract: 781,105. Infra-red electric heating. SOC. FRANCAISE DES ANTIMACULATEURS ELECTRO-MAGNETIQUES. Feb. 17, 1955 [Feb. 19, 1954], No. 4757/55. Class 39(3) [Also in Groups XIII and XVI] Apparatus for the rapid drying-of printed sheets during delivery comprises lamps with projections h for infra-red rays, the projections being embedded in a plate l suitable for reflecting infra-red rays. The body of the drying apparatus may be mounted on an adjustable support enabling the reflecting plate to be brought parallel to and at the required distance from the printed sheets so that infra-red rays reflected from and back to the latter are sufficiently dispersed to ensure even heating over the whole surface thereof The lamp projectors h mounted in a rectangular box a may be flush with, or as shown) protrude from, the lower surface of an aluminium reflecting plate l, e.g. of thick-! ness 5-10 mm.; the box a has a bearing collar b which may turn on the end of an elbow c, the leg e of the elbow being slidable in a fixed tube f; the assembly is locked in the required position relative to the printed sheets m by screws d, g. The number of lamps in use may be controlled by switches mounted on the end of the box a.
Patent GB-1079303-A (GB)
Title: Fuel control system for turbines
Inventor: STEARNS CHARLES FREDERICK
IPC: F02C9/16
Filed: 1966-02-03
Abstract: 1,079,303. Fluid-pressure servomotor systems. UNITED AIRCRAFT CORPORATION. Feb. 3, 1966, No.4783/66. Heading G3P. [Also in Division F1] A fuel supply to a gas turbine engine is controlled in response to compressor speed, inlet temperature and discharge pressure in comparison with an arbitrarily set control member, the amount of fuel being fed to the burners is regulated according to the function of a parameter W f  #<SP>x</SP> /p in  accordance with the function N/## where W f  = weight of fuel supplied in unit time, P = compressor discharge pressure, 6 = compressor inlet temperature, N = rotational speed of the compressor and x = a thermodynamic value of the working medium of the drive. A valve 50 controls the flow of fuel from an inlet 30 to a pipe 66 leading to the burners through a pipe 22, a valve 94 being provided to maintain a constant pressure drop across the valve 50. A lever 44 adjusts a throttle valve 200 to set the value of the required free turbine speed and a governor 214, driven by the free turbine, adjusts a valve 211 to provide a pressure in line 218 thereby providing a pressure in chamber 206 to actuate a valve 440 in reponse to free turbine speed variation from the set value. A second lever 42 adjusts a throttle 134 to set the required speed of the compressor and a governor 150 operates as above to provide a pressure to actuate a valve 170 in response to compressor speed variation from the set value. Compressor delivery pressure acts in bellows 172 to provide a pressure in conduit 176 proportional to the delivery pressure. Branches 222, 256 lead from conduit 176 to a valve 800 which is adjusted in response to the compressor inlet temperature and the outlets 232, 258 lead to a valve 234 which is actuated by the pressure in conduit 255 being the speed pressure in conduit 442 varied by the temperature valve 800. The outlet pressures 244, 264 of valve 234 act on the opposite ends of a spool valve 248 to supply a control of one of these pressures to a conduit 266 to act on valve 182 in opposition to the speed signal from valve 170. The valve 182 thus provides a signal pressure to act on the fuel valve 50. The grooves on the valves 800 and 234 are arranged to provide the required function of variables as indicated. The pressure in line 266 is thus the desired "W f " surge or "W f " temperature depending on the position of the selector valve 248 and this pressure acts against desired "W f " on the right hand end of selector valve 188 to determine the signal fed to the space 56. Emergency control is provided by closing a solenoid switch 81 which causes closure of a valve 70 and the fuel is then throttled normally by valve 133 under the control of lever 42.
Patent GB-1093475-A (GB)
Title: Dispensing device for pasting a lid
Inventor: VORTMAN ILIA MOISEEVICH
IPC: B21D51/46
Filed: 1965-02-04
Abstract: 1,093,475. Coating apparatus. SPETSIALNOE kONSTRUKTORSKOE B J U R O PRODMASH". Feb. 4, 1965, No. 4839/65. Heading B2L. A dispensing device for applying paste to a rib or groove adjacent the periphery of a shaped lid has a nozzle 14 to which paste is fed via a flexible tube from a duct in the driving shaft 1, which duct is connect to a supply means. Discharge of paste is controlled by a needle valve in nozzle 14 movement of the needle valve being controlled by compressed air via tube 30, a duct in frame member 19, duct 34, and slide valve 31 from a cock 32. The nozzle 14 is mounted in an inclined position on a carriage 6 by means of brackets 8 and 9, the carriage 6 having a roller 7 for rolling along the cam surface of a master form 4 and being guided in guides 5 on faceplate 2. In operation a lid to be pasted is positioned on a table under nozzle 14, the table is raised so that lug 27 fixes the lid in position. Further raising of the table moves strip 26 upwards and in so doing operates two slide valves in the frame member 19 one of which closes an exhaust port to atmosphere and the other opens the compressed air supply to nozzle 14. Rotation of shaft 1 through gears 35, 36 causes the dispensing head to rotate through faceplate 2 &c. and paste is discharged from nozzle 14 and applied to the lid. After pasting, which takes one or two revolutions, the table sinks thus cutting off the compressed air supply and opening the air in nozzle 14 to atmosphere so as to close the needle valve of the nozzle and stop the discharge of paste.
Patent GB-452029-A (GB)
Title: Improvements in electric trigger relays and similar devices
IPC: G01R31/02
Filed: 1935-02-15
Abstract: 452,029. Detecting, indicating, and locating faults. CALLENDER'S CABLE & CONSTRUCTION CO., Ltd., Hamilton House, Victoria Embankment, London, and GOODING, H. T., 7, Altyre Way, Eden Park, Beckenham, Kent. Feb. 15, 1935, No. 4911. [Class 37] [See also Group XL] In a high-voltage testing system utilizing current impulses of short duration, the impulse sets up a non-oscillatory voltage impulse in a resistance, which is applied to a neon tube to trigger it into operation, thereby energizing a relay circuit. Fig. 1 shows an insulationtesting arrangement for electric cables, comprising a winding head 1 carrying the cable drum 19 which is driven by an electric motor 15, a high-tension apparatus cubicle 4, a main high-voltage testing electrode 8 with auxiliary search electrode 10, and a back-stand 2 carrying the reel from which the cable is drawn through the electrode 8. Fig. 3 shows the circuit arrangement comprising a high-tension transformer 36 and rectifier 40, across which are connected resistance 43, condenser 41 and resistance 46. The condenser 41 is connected to the test electrode 8 and auxiliary electrode 8 and auxiliary electrode 10 through a currentlimiting resistance 42. Across resistance 46 is connected a neon tube 47 in series with an isolating condenser 48, while in parallel with the tube is connected a high-frequency choke 50, resistance 53 and condenser 52. A battery 49 applies to the tube 47 a voltage below its striking voltage, the circuit including the operating coil of a relay 51. When a fault in the cable insulation reaches the electrode 8 a discharge occurs between that electrode and the cable conductor which is earthed at the winding drum 19. The resulting impulse causes a potential drop in resistance 46 which causes the tube 47 to strike, thus actuating relay 51, the contact of which closes the circuit of a brake solenoid 32 which applies brake 30 to the drum 31 on the winding head. At the same time the switch 59 is energized and opens the circuit of the driving motor 15 The relay 51 is then reset by the switch 54, 55 which puts the condenser 52 across the coil 51 after which the switch is restored to the position shown to prepare the circuit for the next fault. The apparatus is made safe after stoppage by the switch 39, the condition of the supply circuit being indicated by green and red pilot lamps 44, 45. An alternative method of resetting the relay 51 comprises the use of a spring-set relay and a condenser in series with the choke 50 across tube 47, Fig. 4 (not shown).
Patent GB-581821-A (GB)
Title: Improvements in directional lighting fittings
IPC: B64F1/20
Filed: 1944-03-17
Abstract: 581,821. Directional lighting fittings. GENERAL ELECTRIC CO., Ltd., and STEVENS, W. R. March 17, 1944, No. 5000. [Class 75 (iv)] A directional lighting fitting such as an aerodrome marking light in which the polar distribution diagram is required to have a relatively wide angle over which the radius is fairly constant and a relatively narrow angle in which the radius is much greater comprises a concentrated radiator consisting of the incandescent filament 1 of a clear bulb 2 or a portion of a normal frosted bulb lying on or near the axis of an optical projecting system constituted by a cylindrical lens 3 of arcuate shape and a diffuse radiator consisting of a matt surfaced reflector or an opal plate 5 arranged behind the bulb 2 and illuminated by an incandescent filament bulb 6 and reflector 7. Alternatively the diffuse radiator may consist of a clear or frosted bulb arranged at a distance from the focus of the lens 3. The relatively narrow and wide beams from the concentrated and diffused radiators are indicated by the lines 4, 8 respectively and may be varied in intensity by regulating the currents supplied to the bulb filaments.
Patent GB-252269-A (GB)
Title: Method of and means for automatically cleaning or clearing the interior walls and moving parts and adjuncts of retorts while in operation
IPC: C10B43/02
Filed: 1925-02-24
Abstract: 252,269. Queneau, A. L. J. Feb. 24, 1925. Cleaning and preventing incrustation. - The interior walls and surface of the charging or discharging apparatus of retorts are automatically cleaned by incorporating in the more or less finely-divided charge a proportion of larger pieces of the same or other material so that during the passage of these pieces through the apparatus the deposits or adhesions are removed.
Patent GB-672380-A (GB)
Title: Improvements in or relating to edge gauges for use in inner sole binding machines
IPC: A43D25/12
Filed: 1950-02-28
Abstract: 672,380. Applying adhesive tape. MINNESOTA MINING & MANUFACTURING CO. Feb. 28, 1950 [March 3, 1949], No. 5065/50. Class 73 A workpiece edge gauge for an inner sole edgebinding machine has an arm 23, Fig. 1, pivoted at 24 to a plate 21, with a head 25 having a throat 26. A recess 33 and aperture 34 allow the gauge to be depressed below the level of the top of the plate 21, which acts as a fixed work table. The inner sole 27 is thrust into the throat 26 and the binding strip 29 passing through preliminary guides 31, 32 passes round the front edge 30 of the guide head into contact with the sole and, since the guide is semi circular in front elevation and the head 25 is free to move vertically relative to the plate 21, the centres of the sole edge 28, throat 26, and tape remain in line ensuring an equal width of tape on the top and bottom surfaces of the sole. The feed of the machine illustrated is that of a normal sewing machine and the tape is cut off by hand after the completion of operations, the pivoting of the gauge arm helping to reduce waste.