baber/WOPTO huggingface dataset:
Patent GB-620800-A (GB)
Title: Improvements in or relating to organic compounds
IPC: C07D277/64
Filed: 1947-01-24
Abstract: b  : b -Dicyanoketene dialkylmercaptoles are prepared by reacting carbon disulphide with a dry alkali-metal derivative of malodinitrile and alkylating the product.  b  : b -Dicyanoketene dimethylmercaptole is prepared by adding sodium to liquid ammonia in presence of ferric nitrate and then adding malodinitrile. After evaporation of the ammonia, diethyl ether is added and then carbon disulphide, and the resulting mixture is refluxed with methyl iodide.  b  : b -Dicyanoketene diethylmercaptole is similarly prepared.ALSO:Methine dyes are prepared by reacting a b  : b -dicyanoketene dialkylmercaptol with a quaternary salt of a heterocyclic nitrogen compound containing a reactive methylene group in a  or g -position to the quaternary N atom.  Dyes are prepared by (a) fusing together b : b -dicyanoketene dimethylmercaptole, 1-methyl-benzthiazole and methyl p-toluenesulphonate, adding pyridine and refluxing, (b) refluxing together b  : b -dicyanoketene diethylmercaptole, 2-methylbenzoxazole ethiodide, ethyl alcohol and triethylamine, (c) fusing together 2-methyl-b -naphthathiazole and methyl p-toluenesulphonate, adding b  : b -dicyanoketene diethylmercaptole, ethyl alcohol and triethylamine, and refluxing, (d) refluxing together b  : b -dicyanoketene dimethylmercaptole, lepidine methiodide, ethyl alcohol and triethylamine, (e) fusing together b  : b -dicyanoketene diethylmercaptole, 2-methylthiazoline and methyl p-toluenesulphonate, adding ethyl alcohol and triethylamine, and refluxing, (f) refluxing together b  : b -dicyanoketene diethylmercaptole, 2-methylbenzthiazole ethiodide, ethyl alcohol and triethylamine, and (g) fusing together b  : b -dicyanoketene diethylmercaptole, 2-ethylbenzthiazole and methyl p-toluenesulphonate, adding ethyl alcohol and triethylamine, and refluxing.
Patent GB-682262-A (GB)
Title: Improvements in or relating to smallarms
IPC: F41A21/48
Filed: 1950-01-28
Abstract: 682,262. Small arms. BROWN, E. Jan. 28, 1950, No. 2277/50. Class 119 Means for adjustably. bedding a gun barrel 14, Fig. 2, in the grooved forestock 15, to suit a given gun and ammunition therefore, comprises an annular member 27 for supporting the barrel in spaced relation to the stock, and a base member 16 fast with the stock and provided with one or more adjusting screws 18 passing through the annular member and contacting the barrel. The member 27 has a split screwed stem 30 passing through an enlarged hole 24 in the base member and fastened to the stock by a nut 31. Vertical and transverse setting movements may thus be applied to the barrel to counteract spreading of fire due to jump and barrel vibration. In a modification, Fig. 6, the base member 50 has a longitudinal slot 53 for receiving the stem 30 of the annular member 27 so that the point of barrel contact with the stock may be adjusted longitudinally. In the form shown in Fig. 4, the annular member 42 is fast with a base member 47 itself fast with the stock and additional adjusting screws 46 are provided on the annular member. An electric circuit with a signal lamp 61 is provided to indicate when the barrel is contacted by the screws on using a screw driver 64.
Patent GB-1215604-A (GB)
Title: Vibrator or shaker
Inventor: ZIPPERER MANFRED
IPC: B01F13/08
Filed: 1968-01-16
Abstract: 1,215,604. Shaking apparatus. M. ZIPPERER and A. WANNINGER. 16 Jan., 1968 [17 Jan., 1967; 24 April, 1967; 5 May, 1967], No. 2337/68. Heading B1C. [Also in Division H2] Apparatus for mixing by vibrating and shaking comprises a resiliently suspended support of a magnetic material or having a first magnet connected thereto, means for fixing a load thereon, and a second magnet interacting with the support or first magnet, the poles of the second magnet being periodically variable in relation to the effective poles of the support or first magnet (either physically or by pole changing), the frequency of the variation being adjustable to the natural frequency of support and load to generate resonant vibrations. As shown in Fig. 3 a first bar magnet 8 is fixed to the resiliently supported mounting plate 4 and interacts with a second magnet 9 of similar configuration rotated by a variable speed reactor 11. The magnet 8 may be releasably attached to the mounting plate so that when released it rotates with the magnet 9, see Fig. 7 (not shown); a magnetic stirrer (31) may then be placed in liquid in a vessel mounted on the mounting plate 4. The attachment of the magnet 8 to the mounting plate may be by means of a ratchet or a freewheel device (33, Figs. 8 and 9, not shown), so that change-over from vibration to stirring may be effected by reversing the motor 11. The bar magnets 8, 9 may be replaced by electromagnets. In another embodiment (Fig. 5, not shown) the second magnet is an electronic agent (9a). The polarity of which is cyclically reversed by an electric or electronic device (18) the frequency of which is regulable. In a further embodiment (Figs. 10 and 11, not shown) the mounting plate 4 is of soft iron excited by a stationary electro-magnet 9b, the frequency and amplitude of the exciting force being variable. Means for the electronic control of the existing force may consist of a current source (43, Fig. 12 not shown) supplying an oscillator (41) generating a variable frequency which is fed through an amplifier and regulator to the electro-magnet 9b. A pick-off (38, see also Fig. 11, not shown) monitors the vibrations of the plate 4 and generates a signal representative thereof, which is fed back to a frequency controller (39), which compares the frequency of the plate and the exciting frequency generated by the oscillator (41) and adjusts the latter to resonance. A switch (42) parents the automatic control to be inactivated. The mounting plate may have resistance, induction or infrared heating means (44, Fig. 13 not shown).
Patent GB-117888-A (GB)
Title: Improvements in Rotary Intaglio or Photo-gravure Printing Machines.
Inventor: JOHNSTON THOMAS RUDDIMAN
IPC: B41F27/12
Filed: 1918-02-09
Abstract: 117,888. Johnston, T. R. Feb. 9, 1918. Printing-surfaces; inking-apparatus. - Rotary intaglio or photogravure machines have the gap in the cylinder, between the ends of the thin flexible printing plate or plates, filled in with a removable closing-plate, and means are provided for lifting the scraper at the junctions between the closing- plate and the printing-plate. As shown in Figs. 1 and 2, the thin intaglio plate b<2> on the cylinder b<1> has its ends bent in and secured by wedgeshaped bars b<3> operated by screws b<4>, and the gap is filled in by a closing-plate e<1>, the ends e<2> of which fit recesses in the ends of the cylinder and have lugs e<3> engaged by screws e<4> in projections b<5> on the ends of the cylinder. In order to lift the scraper d<1> which is pivoted at d<3>, its holder d<2> is provided with pieces d<4> having rounded ends engaging the rounded ends b<6> of bolts adjustable in lugs in the end of the cylinder b<1>, as shown. In Fig. 5 a narrow closing plate e<2> is shown, and a device for lifting the scraper comprising rounded projections on a bracket b<7> adjustably fixed on the cylinder b<1> by its screwed ends b<6>. As shown in Fig. 8, the wedge-shaped bar g<1> fixes the intaglio plate and also serves as the closing-plate. It has projections g<2> on its ends engaged by pivoted arms g<3> actuated by screws g<4>.
Patent GB-1456332-A (GB)
Title: Process for the purification of azo pigments
IPC: C09B67/54
Filed: 1974-01-18
Abstract: 1456332 Purification of azo pigments HOECHST AG 18 Jan 1974 [19 Jan 1973] 02428/74 Heading C4P An azo pigment is purified by treatment of the crude pigment in an aqueous alkaline suspension of pH 9-12 at 20-80‹ C. Preferably the pH is 11-12, the temperature is at least 30‹ C., best 50-60‹ C., and the treatment lasts for at least 10 minutes, generally at least 30 minutes. An aqueous alkali metal hydroxide is generally used. To convert the pigment obtained into a form with good covering power it may be heated in an aqueous organic solvent, for example as described in Specifications 1,455,653 and 1,456,331. Purification of the pigments described in these Specifications is illustrated in examples.
Patent GB-536669-A (GB)
Title: An improved cable terminal or adapter for electric plug-and-socket couplings
IPC: H01R24/58
Filed: 1940-02-08
Abstract: 536,669. Two-part couplings. THOMSON, D., and THOMSON, jun., D. Feb. 8, 1940, Nos. 2443 and 16249. [Class 38 (i)] A cable terminal or adapter by which a circuit can be tapped off from a plug-andsocket coupling comprises an insulating disc 3 having tubular inserts 9 of a size and pitch to receive the pins 5, 6 of the plug member, the disc being of a thickness that will allow the insertion of the plug member in the socket member with the disc between them. The'inserts 9 may be moulded into the disc or formed as a headed sleeve and nut recessed into the disc. The leads 13 enter by apertures 12 and are clamped under the head of the sleeve or soldered thereto. These terminal discs may be utilized to build up a coupling as shown in Fig. 4, one or more of the discs being inserted between guides 22 in a drawer 21 that fits a recess 19 in a wall fitting 14. The inserts in the discs fit contact pins 16, 17 in the recess and gaps 23, 24 accommodate the leads. The recess 19 is separated by an insulating partition 18 from a switch compartment. The switch 25 closes the circuit to the pins 16 only if the drawer 21 is inserted, a gap 29 being then bridged by a pin 33.
Patent GB-113479-A (GB)
Title: Automatic Control of Electric Generating Sets for Emergency or Stand-by Purposes for Ships, Public Buildings and for other purposes.
Inventor: PILLINGER GILBERT CECIL
IPC: H02J9/08
Filed: 1917-02-21
Abstract: 113,479. Pillinger, G. C., and Sunderland, L. Feb. 21, 1917. Switching systems.-An emergency electric generating-set, for use in ships, buildings, &c., when the main supply fails, comprises a dynamoelectric machine A and associated internal-combustion engine B, the machine acting as a motor to start up the engine when the main supply fails. The starting-switch C is under the control of a switch D having a winding d<3> across the main supply leads G, G<1>, and a second winding opposing the first and across a battery, &c. When the switch D closes, the auxiliary set starts up; when it is running at full speed, a change-over switch E is actuated to connect the load to the auxiliary set. If the main supply voltage rises again to normal value, the switch D is opened and the auxiliary set stops. A time switch F is used to periodically start up the auxiliary set to ensure that it is in working order; a hand switch may also be used for this purpose. The switch D may have only one winding placed across the main supply.
Patent GB-347276-A (GB)
Title: Improvements in or relating to cotton picking machines
IPC: A01D46/10
Filed: 1930-01-25
Abstract: 347,276. Force - feed lubricating. BERRY, E. I., Greenville, Mississippi, U.S.A. Jan. 25, 1930, No. 2685. [Class 12 (iii).] The gearing for the picking spindles 23 of a cottonpicking machine is lubricated by spraying oil downwardly from an upper internal oil ring 50 fed by a pipe 51 and pump 52 from a sump at the bottom of the rotating cylinder carrying the spindles.
Patent GB-414089-A (GB)
Title: Process of producing photogravure plates
IPC: G03F5/20
Filed: 1933-01-27
Abstract: 414,089. Photogravure. PEARSON, A. A., 6151, Holmes Street, Kansas City, Missouri, U.S.A. Jan. 27, 1933, No. 2691. [Class 98 (ii).] In the production of photogravure printing- plates a sensitized copper surface is printed from a screened diapositive obtained from a bordered screen negative, developed, baked, resensitized, printed from an unscreened diapositive obtained from a continuous-tone negative, developed and etched. The top coating is then removed and a proof taken, after which the plate is re-etched locally with a brush, if necessary, and the second coating is removed. Where letterpress &c. is required on part of the surface, such type area is masked with black paper bearing a screen pattern when making the continuous-tone negative ; and for the screened negative, the emulsion is removed from the type area and a line negative of the type &c. matter is inserted in such space. The procedure is otherwise as above.
Patent GB-1157563-A (GB)
Title: Instrument Panel.
IPC: G09F13/08
Filed: 1967-01-18
Abstract: 1,157,563. Rear illuminated display panels. PANELGRAPHIC CORP. 18 Jan., 1967 [28 Jan., 1966], No. 2754/67. Heading G5C. [Also in Division G2] An instrument display panel on which readout information is invisible until back-lit, comprises an element 31 transmitting 5-30% of light having wavelengths of from 500-640 millimicrons, and 5-35% of light wavelengths of from 640-700 millimicrons, an opaque preferably black coat 33 with openings 34 on one side of the element, and a light diffusing colour filtering coat 40. The coat 40 consists of clear differently coloured coats 35 on which is superposed a colourless diffusing coating 37 transmitting at least 90% of white light and green, yellow orange, and red light. The opposite face of element 31 has another diffusing coating 38, both coatings 37 and 38 having an abrasion resistance at least 25% greater than that of the element 31. The element 31 may be of acrylate resin, say “ inch thick, the coatings being sprayed on in liquid form and dried to give films from 0À5 to 5 mils thick. The face receiving coat 38 may previously be inscribed with words which are visible at all times The complete panel is mounted in a box system in front of lamps 9, one for each opening 34. Openings 34 become visible as coloured indicia against a black, matte ground when lamps 9 are energized.
Patent GB-1077539-A (GB)
Title: Circuit arrangement for the phase and frequency comparison of two signal voltages
IPC: H04N9/455
Filed: 1965-01-22
Abstract: 1,077,539. Colour television; phase and frequency discriminators; automatic phase control systems. STANDARD TELEPHONES & CABLES Ltd. Jan. 22, 1965 [Jan. 29, 1964; March 13, 1964], No. 2891/65. Headings H3A and H4F. One of two voltages to be compared in frequency and phase is split into two phase shifted versions, each of which is added to the other voltage to produce two phase shifted sum (beat frequency) voltages which are applied respectively to the bases of a pair of transistors 14, 15, with their emitter/collector paths in series. The transistors conduct only during peaks of one polarity of the beat frequency signals applied thereto and from the junction of the transistors a frequency or phasedependent error correcting D.C. voltage is derived after smoothing in a network 10-13, and used for automatic frequency and subsequent phase control of one voltage with respect to the other. The output of the transistor 15 tends to increase the D.C. voltage and that of the other, 14, to decrease it, and the input to transistor 15 or 14 which first produces a peak value of the beat (i.e. difference frequency) if such exists is dependent on whether one frequency is greater or smaller than the other. Thus the storage capacitor 10, with an output circuit of large time constant, produces a maximum or a minimum D.C. output voltage dependent on the sense of the frequency error and amplitude variations of the error correcting signal are avoided or reduced. As shown, networks 28, 27 and 25, 26 produce two phase shifted versions of between 45 degrees and 135 degrees phase difference, of one input A which may be the colour burst signal of a received colour television signal, the other input B being a signal frequency from the local chrominance subcarrier oscillator to be phase controlled. One transistor 15 may be self biased by R-C network 7, 9 and the other 14 by a fixed bias from potentiometer 32, 31, so that if failure of the colour burst arises only transistor 15 is conductive and a positive voltage on capacitor 10 is produced, which, amplified in a normally blocked transistor 35, controls a colour killer circuit. Similarly, in the case of a very noisy television signal, the low pass filter 28, 27 transmits a greater signal than the high pass filter 25, 26, and the colour killer will again be operated. Alternatively, the transistors 15, 14 may be of opposite conductivity types, with their collectors connected together and to capacitor 10, or each of the two frequency inputs may be phase split before summation. The capacitor 10 may be replaced by other storage circuits, e.g. a bi-stable circuit.
Patent GB-332909-A (GB)
Title: Improvements in sound recording apparatus
IPC: H04R11/08
Filed: 1929-01-29
Abstract: 332,909. Sykes, A. F. Jan. 29, 1929. Phonographic recorders; magnetic instruments. - An electrically operated sound recorder is constructed so that the cutter vibrates in an arc whose tangent makes an angle of about 30‹ with the record blank to produce a record adapted for reproduction by a needle inclined at 60‹ to the blank. The Figure shows the cutter 6 attached to an armature 1 vibratable about an elastic torsion pivot 13 between the poles 2 of an electromagnet. Damping is effected by a rubber block 11 mounted on an extension 10 of the armature 1 and of a volume sufficient to absorb the vibrations without substantial reflection, or by a tail or cable attached at 15, or by both. The natural period of the armature may be adjusted between 6000 and 500 by varying the stiffness of the torsion pivot 13. Specifications 256,280 and 263,502 are referred to.
Patent GB-342134-A (GB)
Title: Sports shirt (or blouse)
IPC: A41F5/00
Filed: 1930-02-25
Abstract: 342,134. Sports shirt or blouse. SLATTERY, J., 160, Woodthorpe Road, King's Heath, Birmingham. Feb. 25, 1930, No. 3021. [Class 141.] A sports shirt or blouse designed to conceal the braces has openings 4, Fig. 1, .back and front through which the brace tabs pass provided with buttonholes 5 so that the shirt may be fastened to the buttons or the like and the trousers or similar article to be suspended. Conveniently, the braces lie between the shirt and a strip or layer 6 of material inside the shirt and connected thereto on the opposite side of the slot or opening 10 in which the buttonholes are formed. When the shirt is worn, buttonholes 5 of the shirt 1 are first engaged on'trousers buttons 8, Fig. 5, where these are on the inside, and brace tabs 9 are next fixed. When the trousers buttons are on the outside, Fig. 6, the tabs 9 are first engaged on the buttons.
Patent GB-218344-A (GB)
Title: Improvements relating to the production of high tension unidirectional currents
IPC: H02M1/20
Filed: 1923-11-02
Abstract: 218,344. Donnithorne, H. E. Nov. 2, 1923. No Patent granted (Sealing fee not paid). Commutator switching-arrangements.-In highvoltage polyphase rectifiers, the positive and negative rotary collecting points are carried by substantially radial arms on mountings which are spaced apart a substantial distance in the axial direction. In one arrangement, Fig. 1, the star-connected secondary windings of a highvoltage transformer are connected to conducting- members A - - C, each of which comprises a pair of segments connected together by a bar parallel to the synchronously-driven shaft F carrying the collector arms D, E. In a modification, Fig. 2, two pairs of collectors D, E are carried by an insulating disc mounted on the shaft F, the collectors being connected, as shown, to mountings spaced a considerable distance apart. Another arrangement, providing multiple gaps in series, is shown in Fig. 3. In this arrangement the transformer windings are connected to segments A - - C, and these are periodically connected to H-shaped segments a - - c by connecting members d, e on an insulating drum mounted on the shaft F. The pulsations in the direct current may be reduced by flattening the wave tops of the currents supplied to the rectifier. For very high voltages, several rectifiers may be arranged in series.
Patent GB-1411781-A (GB)
Title: Ductility of group via metals and base alloys thereof
IPC: C22F1/18
Filed: 1972-01-24
Abstract: 1411781 Carburizing and nitriding refractory metals UNITED KINGDOM ATOMIC ENERGY AUTHORITY 11 Jan 1973 [24 Jan 1972] 13331/72 HeadingC7U Group VI A metals or alloys having such metals as their base are treated to improve their workability by heating in a carburizing or nitriding environment to provide particles therein and cooling at a rate sufficiently rapid to prevent the formation of particles large enough to cause embrittlement. When the metal or alloy has not previously been recrystallized the heat treatment is carried out at a recrystallization temperature. For Mo the temperature may be 1800-2050‹C, for Cr 1300-1500‹C and W 2300-2600‹C. The carburizing atmosphere may be methane at a pressure of 5-100 Torr or 10<SP>-5</SP>-10<SP>-3</SP> Torr. The cooling rate is preferably at least 100‹C per minute, e.g. 250‹C per minute.
Patent GB-1524941-A (GB)
Title: Device for forming a selvage of twisting threads in a shuttleless loom
IPC: D03C7/06
Filed: 1977-01-27
Abstract: The apparatus (2) is connected comovably to a heald frame (6). The standing threads (SF or SF') are supplied in the middle of the heald frame (6) via an orifice (44), are deflected in opposite directions via orifices (41 and 55) in the region of the heald-frame bar and are received by means of orifices (13 and 13') at the tips of needles (7) coaxial with one another. For threading in torn standing threads (SF'), there is a threading-in part (52) adjustable in the direction of the needles (7) counter to the effect of a springing (58). This threading-in part (52) carries the orifice (55) for the deflection of the lower standing thread (SF'). In the event of a tear of the lower standing thread (SF'), as a result of a longitudinal adjustment of the threading-in part (52), its orifice (54) is brought into coincidence with the orifice (44) of the apparatus (2), and the torn standing thread (SF') is threaded in again. By releasing the part (52) and retaining the end of the standing thread, the deflection point (orifice 55) for the standing thread (SF') is returned again to the necessary location of difficult access in the region of the lower heald-frame bar and is fixed there by means of the spring (58). It is thus possible to thread the torn lower standing threads in again simply and quickly. <IMAGE>
Patent GB-428108-A (GB)
Title: Improvements in or relating to processes for cracking hydrocarbons by pressure heating in the liquid phase
IPC: E05C17/24
Filed: 1934-02-01
Abstract: <PICT:0428108/III/1> <PICT:0428108/III/2> Oils cracked under pressure by passage through a coil 2 heated in a furnace 1 are sprayed with reduction of pressure through a valve 4 onto an oppositely disposed inclined plane surface 19 maintained clean by passing thereover a liquid, e.g. part of the unevaporated residue.  The cracked vapours are fractionated in a tower 6 provided with a dephlegmator 37 and the light end-fractions pass off through a pipe 46 to the usual condensers.  Middle oil fractions condensed in the tower 6 are collected through pipes 33, 34 and fed to tanks 10, 11 for recirculation to the coil 2.  The bottom part of the tower is divided into two sections 20, 21 by a plate 38 and the reflux from the tower 6 and the liquid products of the cracking reaction are passed into the part 20 from the bottom of which they are recirculated with or without crude oil from a tank 9 as cleansing material for the plate 19 through pipes 23, 25 by a pump 24.  The valve 4, Fig. 2, comprises a cone provided with a prismatic scraper 41 and mounted on a stem 15 flexibly coupled to a shaft 44 rotatable by a worm wheel 40 and pressed upwardly by a lever 17 carrying an adjustable weight 18. The flushing liquid is admitted through a pipe 25 over a notched weir 39. Specification 356,079, [Group XII], is referred to.  The Specification as open to inspection under Sect. 91 describes the supply of oil from the tank 9 to mix with the cracked products in the line 32.  This subject-matter does not appear in the Specification as accepted.