baber/WOPTO huggingface dataset:
Patent GB-1174041-A (GB)
Title: Improvements in methods of and apparatus for Spinning Fibrous Materials
Inventor: BYERLEY WALLACE GEORGE
IPC: D01H7/90
Filed: 1966-02-16
Abstract: 1,174,041. Break-spinning. T. M. M. (RESEARCH) Ltd. 16 Feb., 1967 [16 Feb., 1966], No. 6865/66. Heading D1D. In spinning fibres into yarn, the fibres are subjected to open-end spinning and then formed into a package while the twist is modified, the final yarn accordingly having a degree of twist differing from that of the yarn produced by the open-end spinning process. In carrying out the method, a sliver passes from a container 16 over a guide 17 to a drafting system 18; it then passes into an open-end spinning- unit 11, through a duct 19 where it is broken up into discrete fibres. In the unit 11 the fibres are spun into yarn which is withdrawn through a duct 21 and a lappet 22 of a ring-spinning unit of the "inverted" type (see Specification 723470 and 819935) to be wound, with twist, on a spindle 12. This spindle is operated to add to, or subtract from, the degree of twist imparted by the unit 11. The final twist can be adjusted either by driving the unit 11 at constant speed and varying the speed of spindle 12, or by varying the speed of unit 11 and driving the spindle 12 at constant speed. A cap or flyer spindle may be used instead of the ring and traveller spindle. The use of an "inverted" final spinning spindle facilitates attention by the operator, and allows a twisting thread to be lowered for starting or piecing into the unit 11.
Patent GB-425567-A (GB)
Title: Method and material for colouration and condimentation of food stuffs
IPC: A23L1/275
Filed: 1934-03-05
Abstract: A colouring material for foodstuffs consists of haemoglobin from animal blood treated with nitrites or nitrates or both, the sodium or potassium salts being preferably used, and then dehydrated.  The blood may first be defibrinated, e.g. by agitating it violently for 5--10 minutes and skimming off the fibrous mass which rises to the surface, and the haemoglobin is preferably separated from the blood serum, albuminous matter and a part of the aqueous content, e.g. by centrifuging.  The nitrites and nitrates may be mixed with a diluent salt such as sodium chloride.  In an example, 5 ozs. of a mixture of 5 parts of sodium nitrite, 1\ba2/3\be parts of sodium nitrate and 93\ba1/3\be parts of sodium chloride are added to 100 lbs. of fresh warm blood which is agitated strongly for about 10 minutes and allowed to stand for about 2 hours, preferably at 70 DEG  F.  The product is next chilled to about 36--42 DEG  F. and kept at this temperature until a bright red colour develops, usually in 24--48 hours.  The material is then dried in a vacuum pan or by spraying into heated air, giving a bright red powder.ALSO:A colouring material for foodstuffs especially meat products such as sausages and meat rolls consists of haemoglobin from animal blood treated with nitrites or nitrates or both, the sodium or potassium salts being preferably used, and then dehydrated. The blood may first be defibrinated, e.g. by agitating it violently for 5-10 minutes and skimming off the fibrous mass which rises to the surface, and the haemoglobin is preferably separated from the blood serum, albuminous matter and a part of the aqueous content, e.g. by centrifuging.  The nitrites and nitrates may be mixed with a diluent salt such as sodium chloride. In an example, a mixture of 5 parts of sodium nitrite, 1 1/3 parts of sodium nitrate and 93 1/3 parts of sodium chloride is employed, 5 ozs. of the mixture being added to 100 lbs. of fresh warm blood which is agitated strongly for about 10 minutes and allowed to stand for about 2 hours preferably at about 70 DEG  F. The product is next chilled to about 36-42 DEG  F., and kept at this temperature until a bright red colour develops, usually in 24-48 hours.  The material is then dried in a vacuum pan or by spraying into heated air, giving a bright red powder.  The colouring may be combined with seasoning and spicing agents, e.g. essential oils and distilled essences from spices and oleoresins of pepper distributed on sugar or other carrier.
Patent GB-769130-A (GB)
Title: Process for the manufacture of substituted ureas
IPC: C07C275/28
Filed: 1955-03-09
Abstract: Ureas of the formula R1-NH-CO-NR2R3, where R1 is a cyclic hydrocarbon residue (which may be halogen substituted) and R2 and R3 are aliphatic hydrocarbon radicals or one may be hydrogen, are prepared by maintaining a mixture of a symmetrical urea R1-NH-CO-NH-R1 and an amine HNR2R3 at an elevated temperature until reaction is complete. In the examples: (1) 1:3-diphenylurea (from urea and aniline) is heated with mono- and di-methylamine to give 1-phenyl-3-methyl-urea and 1-phenyl - 3:3 - dimethyl - urea respectively; (2) 1 - (p - chlorophenyl) - 3:3 - dimethyl - urea and 1-(o-tolyl)-3-methyl-urea are obtained similarly from the appropriate reactants.  Suitable apparatus is illustrated. R1 may also be diphenylyl, aralkyl-phenyl, cyclohexyl or alkylcyclohexyl, and R2 and R3 may be other alkyl radicals, preferably having no more than 6 carbon atoms.  The reaction may be carried out at a temperature above 150 DEG  C., preferably 300-500 DEG  C., the pressure being usually atmospheric. In the two-stage process of Example 1 an excess of aniline is used to act as solvent for the second stage; benzene may, however, be employed instead.  The aliphatic amine is preferably used in excess of the theoretical.
Patent GB-820698-A (GB)
Title: Improvements in or relating to an operating device for a tape recorder
IPC: G11B15/10
Filed: 1958-03-04
Abstract: 820,698. Phonographs &c. TELEFONAKTIEBOLAGET L.M. ERICSSON. March 4, 1958 [March 8, 1957], No. 6960/58. Class 40 (2). A tape-recorder has operating means whereby forward, stop and reverse movements are controlled by a hand-operated semi-rotary mechanism, and fast wind, record and playback states are controlled by three push-button switches interlocked mechanically with the start/stop mechanism. The pressure member 6 holds the tape 1 against the heads 2, 3 by means of the pads 7, 8 for recording or reproducing. The projection 40 holds the member 6 away from the heads for fast winding. A capstan 9 is associated with a movable rubber follower roller 17 to supply slow-speed drive while either the spool 5 is driven by the wheel 31, which can move along a line joining the reels, or else the spool 4 is driven via the idler wheel 32, according to the required tape-drive direction. A plurality of levers 13, mutually interconnected, operate to give slow or fast traverse, of the tape with or without pressure from the member 6 according as the member 27 is raised or lowered in turn as the requisite push-button 29 (only one is illustrated) is pressed before operating the control 24. On return of the control 24 to the centrezero position, drive is suspended and the mechanism 33, 42 returns any previously pressed push-button to the " up " state. No braking details are given.
Patent GB-1131398-A (GB)
Title: Improvements in or relating to electrodynamic transducers
IPC: H04R9/02
Filed: 1966-02-17
Abstract: 1,131,398. Electrodynamic transducers. P. MAUZ. 17 Feb., 1966 [17 Feb., 1965], No. 7004/66. Heading H4J. An electrodynamic transducer, e.g. a loudspeaker, comprises a pot-shaped magnet structure having a cylindrical air gap in which is a moving coil 5 connected to a membrane 8. The poles 6, 7 on either side of the gap comprise a plurality of annular discs or rings made of metal and stacked upon one another or otherwise disposed adjacent one another, in the direction of movement of the coil, so that each disc or ring lies in a plane transverse to the direction of movement of the coil. The discs or rings may be of iron, either preformed as segments or formed in situ in grooves in the magnetic structure, e.g. from iron paste. The magnet structure comprises an iron disc 1, a sintered magnetic iron ring 2 and an iron pole-ring 3. A core 4 is attached to the disc 1 by a screw-thread or by adhesion. Parts 1, 2, 3 may be glued.
Patent GB-643806-A (GB)
Title: Improvements in or relating to fastening apparatus for pressure-resisting doors
IPC: F23M7/00
Filed: 1948-03-06
Abstract: 643,806. Pressure - resisting doors. BAIER, J. F. March 6, 1948, No. 7007. Convention date, April 22, 1947. [Class 123(i)] An apparatus for holding closed a door 13, e.g. of a blast furnace, comprises a clamp 14 engageable with the exterior of the door 13 and including a plurality of arms 16, 17, and 18 projecting beyond the periphery of the door 13, brackets 19 or 20 fitted to the stove, and adjustable members, e.g. bolts 22, which are compressible between the brackets 19 or 20 and the arms to press the clamp 14 against the door. The brackets 19 for the arms 16 and 17 consist of three plates 21, two horizontal, one vertical, the bolts 22 screwing into a plate joining together the two horizontal plates and bearing against the end of the corresponding arm. Set screws 25 enable the position of the clamp 14 to be adjusted. The third arm 18 passes through a hole in the end of a latch 20 pivoted to the stove, and is there secured by a jack screw 24. The door 13 and clamp 14 are separately suspended from a truck 27 running on a rail 28.
Patent GB-455339-A (GB)
Title: Improvements relating to alcoholic fermentation
IPC: C12P7/06
Filed: 1936-03-09
Abstract: Before fermentations according to Specification 420,878, in which the cellular saturation of the yeast is maintained at a value not exceeding 10 kilograms of yeast to 1000 litres of liquid, the liquid is brought to a higher temperature and maintained thereat for at least ten minutes before fermenting.  It may also be acidified before heating.
Patent GB-1536018-A (GB)
Title: Direct current transmission
IPC: H02J3/36
Filed: 1976-04-22
Abstract: 1536018 High voltage D.C. power transmission SIEMENS AG 22 April 1976 [28 April 1975] 07117/76 Heading H2F In a control system for controlling the transmission of D.C. between a rectifier and a plurality of inverters, a first control circuit 2, 3 includes a computing circuit 2 which provides a control signal for determining the output voltage of the rectifier in response to a signal 1 representing the available power or current on the A.C. side in conjunction with a predeterminable current-voltage characteristic. A plurality of second controllers (one of which is shown in Fig. 2) for the respective inverters, each has a computing circuit 11, responsive to the value of the D.C. voltage (which provides an indication of the rectifier output capacity) and which is modified in accordance with a predeterminable voltage-current characteristic. The output of each computing circuit 11 is fed to one input of a comparator 16 the other input of which is supplied with a signal 17 representing the required energy for the respective inverter. Comparator 16 selects the smaller of the signals from 11 and 17 so as to provide a current-controlling signal for the inverter 14. As described, a signal 1 represents the current or power available in a power plant or on an A.C. transmission system. Signal 1 is added at 3 to a current margin signal Im and fed to a current controller 4 for the rectifier 5. Signal 1 is also modified by means of a computing circuit 2 in accordance with the required current-voltage characteristic and then further modified at 8 to take into account the voltage dropped in the D.C. line which is derived by a current sensor 9 and multiplier 8 before being fed to a voltage controller 6. A selector 10 allows the rectifier 5 to be controlled by whichever system 4 or 6 has the lower output. Each inverter 14 has a current controller 15 responsive to the output of a comparator 16 which selects the lower of two signals, one, 17 of which selects the desired power for the inverter 14 while the other is derived at 12 from the D.C. line voltage to which is added a D.C. line voltage drop signal from a multiplier 13. The signal from 12 is modified by a computing circuit 11 in accordance with a predeterminable voltagecurrent characteristic before being fed via an adder 19 in which the surplus difference value can be inserted from another inverter, to the other input of the comparator 16. A subtractor 18 subtracts from the output of stage 11 a signal proportional to the inverter current so as to provide a difference signal for a further inverter.
Patent GB-902757-A (GB)
Title: Improvements in hectograph compositions
Inventor: FINKENAUER HELMUT
IPC: B41M5/04
Filed: 1960-03-01
Abstract: A salt-like dyestuff comprises a cation of a basic dyestuff of p  the di- or tri-arylmethane series combined with an anion of a phthalocyanine sulphonic acid.  The dyestuffs may be prepared by reacting (1) the basic dyestuffs Auramine, Malachite green, Crystal violet, Methyl violet, Victoria pure blue or Rhodamine B or their carbinol bases with (2) a phthalocyanine sulphonic acid such as a mono-, di-, tri or tetrasulphonic acid of a metal-free or metal-containing phthalocyanine or a reaction product of such a sulphonic acid with an amount of alcohol insufficient for complete esterification or a salt of one of said phthalocyanine compounds.  In the preparation of the dyestuff an acid binding material such as sodium carbonate or a tertiary amine may be present in the reaction mixture.  In an example, Crystal violet dissolved in chloroform is added to a solution of phthalocyanine trisulphonic acid (sodium salt) in water and the mixture refluxed.
Patent GB-1173712-A (GB)
Title: Improved External Steel Facings for Buildings.
IPC: B05D7/16
Filed: 1968-02-14
Abstract: 1,173,712. Coated steel. HUTTENWERK OBERHAUSEN A.G. 14 Feb., 1968 [20 April, 1967], No.7173/68. Heading B2K, Butadiene-styrene copolymer is applied to corrodible steel plates or rolled sections to provide a coating which is imprevious to water but is permeable to water vapour. The steel may be weatherproof i.e. steel which rusts to form a protective layer. The copolymer may be applied from a suspension and may contain styrene and butadiene in the approximate weight ratio of 60:40 and has a specific gravity of 1.01. The coating may contain one or more additives that increase its permeability to water vapour e.g. mica powder, asbestos fibre or talc, and also additives to stabilise rust formed on the steel e.g. copper and nickel salts, phosphates, chromates, and iron oxide. The coating may be applied as one or more layers by spraying.
Patent GB-141177-A (GB)
Title: Improvements in buckles and fastening devices
IPC: A44B11/10
Filed: 1919-03-22
Abstract: 141,177. France, A. G. March 22, 1919. Buckles.-A buckle, of the kind in which the grip is effected by a sliding frame gripping the strap below a bar or part of the main frame, comprises a main frame and a sliding frame pressed out from sheet metal, the main frame having end bars d, e and a depressed cross-bar h, to which one end of the strap is attached and which forms a stop for the other frame sliding in turned-over side flanges b. The sliding frame has a longitudinal corrugation j so that the gripping-edge is depressed to engage the strap under the bar d, which is provided with a turned-up edge n; the other edge m of the sliding frame is turned up to form a stop, acting in conjunction with the bar h and for use in manipulating the frame. The sliding frame is slit near both ends to leave flat portions k which slide in the guides b. The edges d, c may be formed with slight projections to assist in gripping the material.
Patent GB-1004246-A (GB)
Title: Improvements in or relating to the heat treatment of steel
Inventor: DUCKWORTH WALTER ERIC
IPC: C21D8/00
Filed: 1963-02-22
Abstract: Steel which has been heated to transform it to the austenitic condition, and which contains fine particles dispersed throughout the austenite to minimize the grain size of the latter, is quenched to a temperature between the Ac1 and Ms temperatures, is mechanically worked in that range for such a period that substantially no transformation occurs and is then quenched to form martensite.  The latter may then be tempered, and the steel subsequently cold worked. The dispersed particles may be preformed, such as aluminium oxide, which may be added either by blowing into the metal stream of metal between tundish and mould as a suspension in inert gas, or in the case of finer particles, may be dropped through a silica tube into the centre of the stream leaving the tundish.  A preferred embodiment is to form the particles directly in the steel by the inclusion of alloying elements capable of forming a stable nitride or carbide with the carbon or nitrogen present.  Particularly suitable carbide formers are niobium, titanium and hafnium, but chromium, vanadium and molybdenum may also be used.  For the formation of nitrides aluminium and titanium may be used.  The process may be further improved by adding to the steel a small quantity of an element, e.g. up to 5% of uranium, which reduces the stacking fault energy of the metastable austenite.  Where quenching to martensite would result in unacceptable distortion, the worked austenite may be isothermally transformed to a bainitic or pearlitic structure which may be subsequently cold worked.
Patent GB-488919-A (GB)
Title: Improvements in and relating to motor vehicles
IPC: B60K17/22
Filed: 1937-01-20
Abstract: 488,919. Motor-vehicle driving-gear. BRIGGS MANUFACTURING CO. Jan. 20, 1937, No. 7225/38. Convention date, Aug. 6, 1936. Divided out of 489,039 and addition to 488,667. [Classes 79 (ii) and 79 (iv)] In a vehicle having a downwardly-inclined final-drive or axle-pinion shaft 15 driven from a propeller shaft 32 through universal joint means 30, as described in the parent Specification, the driving thrust and the torque reaction are transmitted from the final-drive housing 18 to the chassis frame 10 through the suspension springs 11. In the construction shown, the universal joint 30 is of the constant velocity type. The shaft 15 drives the axle-shafts 14 through spiral-bevel gear 16, 17.
Patent GB-848557-A (GB)
Title: Improvements in cargo oil pumping arrangements on tanker type ships
Inventor: YOUNG JOHN
IPC: B63B27/24
Filed: 1957-03-05
Abstract: 848,557. Emptying tanks.. DRYSDALE & CO. Ltd. March 11, 1958 [March 5, 1957], No. 7236/57. Class 21. Deep well cargo pumps 1, 2 located in oil tanks 3, 4, are operated by water turbines 5, 6. Each pump 1, 2, including its rising pipe and pump shaft, is arranged in a trunk 7 and discharges to a main cargo pump 8 operated by a water turbine. The deep well pumps reduce the suction lift that would otherwise be necessary for the main cargo pump 8 to empty the tanks, and the water turbines reduce the explosion risks present when electric pumps are used.
Patent GB-1254169-A (GB)
Title: Printer feed speed control
IPC: G06K15/16
Filed: 1969-02-11
Abstract: 1,254,169. Automatic speed control. RCA CORPORATION. Feb.11, 1969 [Feb.20, 1968], No.7247/69. Heading G3R. The rate of feeding a web 2, e.g. from a high speed data printer 3 to a stacking device 5, is automatically controlled to maintain a constant loop 8 between two spaced points along the path of the web. The printer drive is controlled by a device 10 which issues pulses for each incremental advance of the printed web 2. A clock 27 issues pulses representing the movement of the web produced by the stacker 5 which is driven at constant speed. The latter pulses may alternatively be derived from a generator driven by the stacker. A counter 24 receives both sets of pulses and issues a value representative of the difference which is compared with a preset limit 32 in a comparator 31. The output of comparator 31 controls a bi-stable 35 which in turn controls the drive to the printer to maintain a constant difference and thus a constant loop 8. The printer may operate at a slow speed in which case the loop disappears and the stacker slips or at a high speed as above described. When the high speed is selected a "fast" signal is issued by a selector 14 to an AND gate 20, under the control of bistable 35, and thus to the driven control 10. The printer is thus driven alternately fast and slow to achieve an average speed equal to the maximum set by the stacker.
Patent GB-869195-A (GB)
Title: Improvements in vertical storage racks for rods, bars, tubes, and the like
Inventor: THOMAS ARTHUR SPECHLY
IPC: B65G1/04
Filed: 1959-03-03
Abstract: 869,195. Storage racks. THOMAS (ENGINEERS) Ltd., BERTRAM. March 1, 1960 [March 3, 1959], No. 7260/59. Class 52(5). A storage rack for rods or tubes comprises two end frames A connected by two horizontal angle section bars B on which are supported adjustable pegs C. The end of the peg C supported on the bar B forms a hollow rectangle C, C<SP>1</SP>, C<SP>2</SP> with a gap C<SP>3</SP> which allows the peg to be removed from the bar. The racks may be double sided as in the case illustrated.
Patent GB-228028-A (GB)
Title: Improvements relating to fluid pressure valves
IPC: F16K25/04
Filed: 1924-09-05
Abstract: 228,028. Babcock & Wilcox, Ltd., and Kemnal, Sir J. Sept. 5, 1924. Closure members, dual. - In fluid-pressure valves, e.g. safety valves, including a screening device in the form of a ported sleeve valve to protect the faces of the lift valve proper from the direct impact of the moving fluid, and to prevent any flow until the lift valve faces are well separated, the sleeve 4 adjacent the lift valve seat 3 is provided with ports 7 which are flared or divergent towards the lift valve facings 3, 8.
Patent GB-1329396-A (GB)
Title: Circuit arrangement for switching load circuits
IPC: H04M19/02
Filed: 1972-02-17
Abstract: 1329396 Automatic exchange systems; transistor switches INTERNATIONAL STANDARD ELECTRIC CORP 17 Feb 1972 [22 Feb 1971] 7313/72 Headings H3T and H4K A circuit arrangement for superimposing an alternating current (e.g. a ringing signal) on a D.C. supply (e.g. battery supply to a subscribers line) such that the peak A.C. current is greater than the D.C. current comprises an A.C. source in series with the D.C. source, a bidirectional thyristor in series with the A.C. source on the side thereof remote from the D.C. source, a semi-conductor switching device in parallel with the series combination of the thyristor and the A.C. source, means to limit the current through the device and means to control the conductive states of the thyristor and said device. The Figure shows a battery B supplying a subscriber line pair V. The A.C. source is coupled via transformers W1 and W2 into the line on both sides of the source. Bidirectional thyristors TC1 and TC2 are connected in the path as shown and transistor switching devices Tr1 and Tr2 are each connected in parallel with the series combination of the corresponding transformer secondary and thyristor. To superimpose the ringing signal the control unit St removes the base supply currents to the normally conducting transistors Tr1 and Tr2 and supplies doubling potential to the thyristors TC1 and TC2. To remove the ringing signal the base currents to the transistors are restored and the enabling potentials to the thyristors removed. The thyristors do not return to the non-conductive condition until the next zero crossing of the current through them. Diodes D21, D22, D31, D32 prevent burning out of the transistors due to excess reverse currents, diodes D11 and D12 protect against voltages of the wrong polarity and Zener diodes Z 1 and Z2 protect aainst excessive voltages. A thyristor control circuit (Fig. 5, not shown) including a transistor inverter, a D.C. isolating transformer and a rectifier circuit are described.