baber/WOPTO huggingface dataset:
Patent GB-368341-A (GB)
Title: Improvements in or relating to the production of artificial filaments
IPC: D01D5/04
Filed: 1930-12-04
Abstract: <PICT:0368341/IV/1> In the production of artificial filaments or the like at high spinning speeds, the filaments on their way to collection are passed round a frictionally-driven feed roller which is slowed down during the initial stage of collection and allowed to increase in speed thereafter until the desired speed is attained. The process is particularly suitable for the collection or filaments of cellulose organic derivatives such as cellulose acetate.  The feed roller may be slowed down by the fingers of the operator, or by a manually operated brake pad, or by a brake pad operated by a weighted lever.  The brake may be released gradually or the feed roller may have a high moment of inertia in order that the acceleration may be slow.  As shown in the drawings, the thread 6 leaving a dry or wet spinning apparatus 5 is passed round a roller 7 and then to a guide 8 and cap-spinning device 9.  The roller 7 is freely mounted on a shaft 10 and is driven therefrom by a coned clutch 12 slidably mounted on the shaft 10 by means of a key 13.  The member 12 is maintained in engagement by means of a spring 14 acting from a collar 15 keyed to the shaft.  A further collar 16 maintains the roller 7 in position on the shaft.  The shaft 10 is driven at high speed but the roller 7 may be slowed down by means of a brakepad 17 actuated by a lever 18.  A weight 20 is provided at the free end of the lever in order to produce and maintain the desired action.  The roller 7 may be constructed to possess a large amount of inertia so that the increase in speed when the brake is released is gradual.  Instead of a cap spinning device 9, a centrifugal box or other device may be employed for collection of the thread.  The Provisional Specification describes also the use of two or multiple speed gearing in conjunction if desired with a friction clutch, or of gearing of the infinitely varying type such as belt gear with conical pulleys and shifting fork, for varying the speed of the feed roller.
Patent GB-1367557-A (GB)
Title: Draft device
IPC: B60D1/32
Filed: 1972-08-04
Abstract: 1367557 Tow bars incorporating over-run brake actuating means J M BEACH 4 Aug 1972 36532/72 Heading B7T [Also in Division F2] A tow bar comprises telescopically arranged members 18, 28 for connection to towing and towed vehicles respectively by means of ring 20 and plate 30, the tow bar mounting an over-run brake actuating means consisting of an hydraulic device 45 having a cylinder 54 pivotally mounted about bolt 154 on member 28 and a piston-rod 44 pivotally connected by means of bolt 40 to member 18, the limit of movement between the members 18, 28 being determined by a bolt 172 connected to member 28 being movable in a slot 170 formed in member 18, the piston-rod 44 having a piston 46 at its end within cylinder 54 which is formed with a frusto-conical seat 100 for co-operation with a complimentary valve member 102 which throttles fluid passing from one side of the cylinder to the other through passage 78 as the members 18, 28 slide relatively with respect to each other, the valve member when over-run forces caused by the towed vehicle exceed a predetermined level seating against the piston to prevent fluid from being exhausted from chamber 74, the resultant increase in fluid pressure within this chamber being utilized to actuate the towed vehicle brakes. The valve member 102 is located within a bore 140 of the valve stem 44 and is biased to its open position by a spring 120.
Patent GB-1209684-A (GB)
Title: Improvements in or relating to electric grills
IPC: A47J37/06
Filed: 1968-08-01
Abstract: 1,209,684. Electric grills. S.E.B. SOC. D'EMBOUTISSAGE DE BOURGOGNE. 1 Aug., 1968 [12 Sept., 1967; 10 Jan., 1968], No. 36704/68. Addition to 1,149,586. Heading A4D. An electric grill for various foods such as meat, fish, bread and the like comprising in accordance with the Parent Specification 1,149,586 two shells 1 and 2 mounted in interengaged relation and each containing an electric heater element 3 and 4 of the shielded type with spaced arms and one of the shells being fitted with a deodorising filter, is improved by fitting on the lower shell 1, in the vicinity of its opening, an elastically deformable annular seal 81 which has a flexible lip which is deformed by bending when the two shells are interengaged. The deodorising filter may comprise two superimposed trays 86 and 87 having perforated bases, the upper tray 86 containing a product which absorbs fatladen vapours, e.g. calcined clay, and the lower tray 87 containing an odourabsorbing product 98 such as activated charcoal, the filter communicating with the interior of the shell by means of opening 82 above which is mounted a protective cap 83. A shield 103 may be mounted above the upper shell 2 and secured thereto so as to form a free space 105 between the top face of shell 2 and the shield 103. The resistance heater element may be connected to plug-connectors 111 detachably mounted in a bore of the corresponding shell, 80 or 107, and which are engaged by socket-connectors 57. Each plug-connector 111 comprises at least one retractable retaining member which in the rest position thereof serves to prevent the withdrawal of the plug-connector 111 from the bore of the shell, means being additionally provided for holding the retaining member in the locked position when the plug-connector is engaged by the socket-connector. The lower shell 1 may be supported on at least three feet 75 formed of insulating material, each foot being fitted with a suction cup 76 at the bearing point thereof. The lower shell may have an inwardly recessed base 5 surrounded by a peripheral annular trough end 11 and the juice outlet is provided with a manually operated movable closure member 73.
Patent GB-778316-A (GB)
Title: Process for the fractionation of crude petroleum or fractions thereof
IPC: C10G53/08
Filed: 1954-12-20
Abstract: Crude petroleum or fractions thereof are purified by chromotography in an adsorption column, without addition of a solvent, using 2 or more different successive absorbents. Adsorbents referred to are activated alumina, silica gel and calcium carbonate.  The substances adsorbed in each part of the column may be extracted with a solvent, such as petroleum ether, and then with benzene or higher aromatic hydrocarbons or chlorine derivatives thereof.  The process may be carried out at room temperature or above.
Patent GB-1486655-A (GB)
Title: Decoding of digital information from a tape
IPC: G11B5/09
Filed: 1975-09-08
Abstract: 1486655 Data decoding HEWLETTPACKARD CO 8 Sept 1975 [30 Sept 1974] 36895/75 Heading G4C  Data recorded on a magnetic tape such that 1's and 0's are represented respectively by "long" and "short" distances between successive flux transitions is decoded by comparing a voltage representing the time between successive read-out flux transitions with a reference voltage, the reference voltage being changed in dependence on the speed of the tape. Data read from the tape is supplied to a circuit 11 which provides a ramp voltage the height of which depends on the time between successive readout flux transitions, this voltage being supplied via voltage divider 15 to one input of a comparator 17 to the other input of which the reference voltage is supplied from a capacitor 21, the output of comparator 17 being 1 or 0 when the successive read-out flux transitions are a "long" or "short" distance apart respectively. When the output of comparator 17 is 0 a circuit 29 closes a switch 23 to charge the capacitor 21 whereas when the output of comparator 17 is 1 circuit 29 closes a switch 25 to charge the capacitor 21, a voltage divider 27 being provided at the input to switch 25 to multiply the voltage by the nominal ratio of a "short" distance to a "long" distance so that the output of switch 25 when closed is nominally the same as the output of switch 23 when closed. Prior to the recorded information there may be recorded on the tape a series of 0's followed by one 1, to pre-charge capacitor 21 via switch 23.
Patent GB-882808-A (GB)
Title: Process for the extraction of hydrocarbon
IPC: C07C7/10
Filed: 1959-10-30
Abstract: The solvent extraction of hydrocarbons is effected with an alkyl hydrazine together with water and/or hydrazine; the hydrocarbons more soluble in the alkyl hydrazine are recovered in the lower layer, this solubility decreasing in the order aromatic, cycloparaffin, branched chain aliphatic and straight chain aliphatic.  The process can be used to remove from liquid fuel mixtures members whose presence lowers the octane or cetane number.  In continuous processes the alkylhydrazine is mixed with the hydrocarbon and contacted countercurrently with the water and/or hydrazine.  Preferred are the 1,1-dialkyl hydrazines, e.g. dimethyl, methylethyl or diethyl.  The dialkylhydrazine is distilled off from the heavier layer and the remainder separates into a hydrocarbon layer and a water and/or hydrazine layer.ALSO:The solvent extraction of hydrocarbons is effected with an alkyl hydrazine together with water and/or hydrazine; the hydrocarbons more soluble in the alkyl hydrazine are recovered in the lower layer and this solubility decreases in the order aromatic, cycloparaffin, branched chain aliphatic and straight chain aliphatic.  In continuous processes the hydrocarbon mixture is mixed with the alkyl hydrazine and contacted countercurrently with the water and/or hydrazine, preferred are the 1, 1-dialkyl hydrazines, e.g. dimethyl, methylethyl or diethyl.  The dialkylhydrazine is distilled off from the lower layer and the remainder separates into a hydrocarbon and a water and/or hydrazine layer which can be separated by decantation.
Patent GB-1465411-A (GB)
Title: Arrangement for representing a plurality of analogue electrical  input signals occuring on separate lines
IPC: G01R13/02
Filed: 1974-08-22
Abstract: 1465411 Cathode-ray tube displays HARTMANN & BRAUN AG 22 Aug 1974 [24 Aug 1973] 36976/74 Heading H4T The magnitudes of a plurality of input analoque signals are displayed on a conventional cathode-ray tube video display either as a generally horizontal trace (BG 1 ) or as a series of vertical lines (BG 2 ). Each analogue signal ME 1 , ME 2  ... ME n  is fed to one input of a respective comparator VM 1 , VM 2  ... VM n  the other inputs of which receive an analogue input AW indicative of the vertical position of successive lines of a normal raster scan. The quantity AW is produced by a digital-to-analogue converter DA supplied with the binary addresses BA of successive lines comprising the output of a counter ZZ which counts line pulses Z1 derived from a video signal generator VSG which also supplies a reset pulse RS of picture frequency to the counter. When amplitude equality occurs between the analogue inputs ME and the analogue input AW the comparators produce outputs which are fed to a digital multiplexer MP. The latter is controlled so as to supply the outputs VEM of all of the comparators in sequence to a comparator logic circuit VL by means of a second line pulse counter MZ which is controlled by the output FT of a pulse generator TG of adjustable frequency and pulse width synchronized by the line pulses Z1 the adjustable frequency allowing the number of the signal elements in the output of each comparator, which are to appear in each line of the display, to be adjusted and the adjustable width at input FR to the logic circuit VL allowing the width, i.e. the duration, of each signal element to be adjusted. The above manner of operation results in the production of a display of the BG 1  type. When a display of the BG 2  type is required comparator VB compares the reference point of the displayed voltages, a voltage corresponding to the lowest line of the display, i.e. the zero reference, with the analogue value AW indicative of line position, the comparator producing an output which causes the tube beam intensity to be increased as it progresses upwardly from the lowest line (the zero reference) until the occurrence of an output from multiplexer MP corresponding to the measured value. The trace is then blanked and the height of the resulting vertical line is indicative of the measured value.
Patent GB-991643-A (GB)
IPC: H04N11/18
Filed: 1961-10-17
Abstract: 991,643. Frequency modulation. COMPAGNIE FRANCAISE DE TELEVISION. Oct. 17, 1961 [Oct. 28, 1960], No. 37266/61. Drawings to Specification. Heading H3R. A frequency-modulated wave is passed through a filter attenuating the carrier and central frequencies relatively to the other side frequencies, before transmission, to improve signal to noise ratio at the receiver. A complementary filter at the receiver restores the correct relative amplitudes before demodulating the wave. The modulation may be a colour television chrominance signal, or a pair of such signals transmitted sequentially, and frequency modulating a subcarrier. The filtering at the transmitter or receiver need not be at the transmitted or received carrier frequencies but at a transposed frequency. Pre-emphasis may be applied to the modulation. The FM wave may be part of a colour television composite video signal, transmitted by cable between a transmitter and receiver.
Patent GB-767433-A (GB)
Title: Improvements in or relating to a device for measuring the pressure obtained in a hydraulic brake circuit
IPC: B60T17/22
Filed: 1954-12-28
Abstract: 767,433. Brake testing devices. SOC. ARCHIMEDE. Dec. 28, 1954 [Dec. 28, 1953; Dec. 13, 1954], No. 37461/54. Class 103 (1). An apparatus for testing hydraulic brake circuits comprises a length of tubing 1 having a coupling 4 at one end which has a fluid-tight rotary connection to a plug 7, which may be screwed into the air bleed hole of an hydraulic brake cylinder, and a similar coupling 5 at the other end having a rotary connection with a member 26 screwed on to a part 41, 42 which carries two pressure gauges 27 and 57, having dials calibrated to read respectively in tens of kilogrammes per square centimetre pressure and for pressures below 2 kilogrammes per square centimetre. In operation after the coupling 4 has been screwed on to the bleed connection, a light pressure is applied to the pedal and air bled by unscrewing the member 30. After this has been tightened brake pressures in the cylinder are registered on the two gauges. The low-pressure gauge 57 is intended for measuring residual pressures in the brake with some accuracy and is protected from damage by the high pressures appropriate to the other gauge by means of a diaphragm 48 interposed in the hydraulic line thereto and sealing a volume such that when the diaphragm 48 is against the surface 62, the decrease in volume corresponds to an increase in pressure of about 2 kg. per sq. cm.
Patent GB-1005988-A (GB)
Title: Polymerization process and product
IPC: C08F36/04
Filed: 1963-09-24
Abstract: Rubbery polymers are made by polymerizing in a hydrocarbon solvent conjugated dienes containing 4 to 8 carbon atoms in the presence of an organometallic catalyst, preferably of the Ziegler-type, to first form a mix containing at least 6.5% polymer and then, by maintaining in the polymerization mix a monomer concentration of 0.5 to 29%, a solvent concentration of 92 to 39%, and removing heat from the polymerizate to maintain a temperature in the range of 0 DEG  to 90 DEG  C., continuing the polymerization until a polymer solution containing at least 10% of polymer is obtained.  The heat removal may be effected by a partial evaporation of solvent.  The solvent may comprise 1 to 20% of an extender oil.  The diene may be butadiene, isoprene, pentadienes, hexadienes or heptadienes.  The Specification includes a flow diagram of a continuous method for carrying the process into effect.  Exemplified dienes are butadiene and isoprene. Exemplified catalysts are aluminium triisobutyl and TiI4, aluminium triisobutyl and TiCl4 and I2, aluminium trisobutyl diphenyl etherate and TiCl4, and tetramethylene dilithium.  Polybutadiene prepared by the process has the following properties: (1) at least 80% cis content; (2) an inherent viscosity of 1.7 to 3.5 at 30 DEG  C.; (3) less than 5% gel content; (4) a cold flow at 50 DEG  C. of less than one milligram per minute; and (5) a solubility at 25 DEG  C. on a weight per cent basis in a mixed solvent consisting of benzene and methanol of not more than 60 when the methanol content of the mixed solvent is 18%, not more than 40 when the methanol content of the mixed solvent is 19%, and not more than 20 when the methanol content of the mixed solvent is 20%.
Patent GB-871398-A (GB)
Title: Improvements in rotary tool-head machines for turning bar-stock and the like
IPC: B23B5/12
Filed: 1957-12-04
Abstract: 871,398. Turning; rotary tool-heads. CALOR, T., [trading as CALOW & CO. MASCHINENFABRIK UND EISENGIESSERIE TH.]. Dec. 4, 1957 [Dec. 4, 1956], No. 37808/57. Class 83 (3). [Also in Group XXIII] A machine for turning rod or wire stock 181, Fig. 3, has a rotary cutter-head 1 disposed for rotation about the vertically fed stock, the cutter-head having turbine blades 5 on its periphery for driving it. The cutter-head 1, has three sets of staggered cutting blades projecting inwardly and a guide portion 11 for the stock. Turbine blades 5, Fig. 4, are arranged around the periphery of the cutterhead driven by a pressure medium supplied through a valve 39, 40. No bearings are provided for the cutter-head which " floats " between jets of pressure medium supplied through passages 27-30, Fig. 3. Wire stock is fed from a reel 16 to straightening rolls 21 and driving rollers 22 through a guide 14 to the cutting chamber. Further feed rollers 25 draw the stock through the guide 15 to the winding reel 17. If bar stock is being turned the reels are dispensed with and the rollers 22 and 25 are arranged to feed and hold the stock against rotation. Polishing. An abrasive or grinding agent is provided in the chamber 34 so that, following the turning, the stock may be polished by supplying compressed-air or fluid pressure to the space 32. An abrasive agent may also be supplied with pressure medium through the nozzle 31 to effect the polishing.
Patent GB-1206206-A (GB)
Title: Cuff-link
Inventor: SCHULER WALTER
IPC: A44B5/00
Filed: 1968-08-08
Abstract: 1,206,206. Cuff-links. W. SCHULER. 8 Aug., 1968 [9 Aug., 1967; 9 Nov., 1967], No. 37890/68. Heading A3H. [Also in Division B3] A cuff-link comprises a hollow crosspiece which contains a U-shape spring 6, with the free ends of the spring engaging on inwardly sloping sides 7<SP>1</SP>; the lower end of the spring engaging a groove 4<SP>1</SP> in a pin bearing 4. The spring is untensioned in the position illustrated. The cross-piece is formed from a one piece stamping that folds over on itself, with the middle portion forming bearings 8, and is connected together, for example by soldering.
Patent GB-837819-A (GB)
Title: Improvements in or relating to lighting fittings for electric discharge lamps
IPC: F21V31/00
Filed: 1956-12-12
Abstract: 837,819. Lighting fittings. SMITH, A. G., and BENJAMIN ELECTRIC Ltd. Feb. 3, 1958 [Dec. 12, 1956], No. 37953/56. Class 75(4) [Also in Group XXXVI] A lighting fitting for an elongated gaseous discharge tube is such that the ends of the tube are enclosed adjacent the electrode areas with sealing means provided to prevent inflammable dust or gas reaching such areas which are liable to become excessively hot; the main length of the discharge tube is directly open to the atmosphere. In the form shown the gaseous electric discharge tube 16 has its area adjacent each electrode enclosed by a sleeve 17 provided with a resilient sealing ring 19 embracing the tube and the electric coupling socket 15 has a flexible extension sleeve 18 which fits over the outer tapered end of the sleeve 17 to provide a completely sealed enclosure. The lighting fitting comprises a supporting conduit 10 at the ends of which are fixed the housings 11 for the control gear these also having the spring clips 20 by which the discharge tube 16 is held in position. A trough shaped reflector 13 is attached by means of wing nuts 12. The enclosing sleeve 17 may be translucent or of metal and corrugated to engage the surface of the discharge tube to conduct the heat from the hot spots.
Patent GB-380166-A (GB)
Abstract: 380,166. Current meters. LORENZ AKT.-GES., C., 1, Lorenzweg, Tempelhof, Berlin. June 20, 1931, No. 17945. Convention date, June 23, 1930. [Class 37.] Wireless signals are synthesized from two currents of frequency f1, f2, Figs. 3 and 4, f2 being double the frequency of /1 and being combined in such a phase relationship as to produce dots I which are transmitted in one direction or dashes II which are transmitted in another direction and are simulated by the curves s1, s2 respectively. The receiver for these signals comprises a valve R4, Fig. 6, feeding a current indicator M and transformer T2, the latter being connected to an indicator MW, Z1, Z2, which comprises polarized reeds Z1, Z2, Fig. 5, tuned to the frequencies f1, f2 and bearing shutters B1, B2. When these shutters are in alignment light from a source L reaches a screen Sk, and this occurs at the times 1, 3, Fig. 3, the deflection of the spot of light from its position of rest being a measure of the amplitude of the signal. If the mean signal strength supplied to the indicator is kept constant by keeping the reading of the indicator constant the deviation of the receiver from the line of equal signal strength from both transmitters can be directly read from the instrument MW.
Patent GB-1058756-A (GB)
Title: Improvements in or relating to fluorescent tube control
IPC: H05B41/391
Filed: 1963-10-01
Abstract: 1,058,756. Control systems for fluorescent lamps. C. H. STEADMAN. Dec. 17, 1964 [Oct. 1. 1963], No. 38577/63. Heading H2H. A lighting circuit comprises a fluorescent tube T provided with a ballast which is in the form of two windings 10, 11, one end of each of which are connected together and to one terminal L of the A.C. supply, the other end of each of which are connected to one end of the tube filamentary heaters 16, 17 respectively, the other ends of the heaters 16, 17 being interconnected by a glow discharge starter switch S and the supply terminal N being connected to an end of the heater 16 and the starter switch S. The two windings 10, 11 are wound on a common magnetic core in the form of an auto-transformer and the core may be provided with an air gap.