baber/WOPTO huggingface dataset:
Patent GB-1367996-A (GB)
Title: Combustion aid device for carbon black reactors
IPC: C09C1/50
Filed: 1972-05-04
Abstract: 1367996 Carbon black reactor CONTINENTAL CARBON CO 4 May 1972 20895/72 Heading C1A A carbon black reactor comprising a combustion chamber 9; a frusto-conical reaction chamber 25 downstream. of the combustion chamber, the reaction chamber converging in a downstream drection to a throat 29 which leads to further portions of the reactor; means, e.g. orifices 17 and conduit 63, for introducing fuel into the reaction chamber, means, e.g. conduit 1, annulus 3, louvres 11 and orifice 13, for introducing air into the reaction chamber and tubular means, e.g. 27, for injecting h.c. feedstock axially into the chamber has fitted to the periphery of the combustion chamber a circular plate 23 having a central orifice 21, said plate being positioned perpendicular to the longitudinal axis of the reactor at a point downstream of the fuel injection point but upstream of the feedstock injection point, the tubular feedstock injection means extending through the orifice 21 to define an annular space. Preferably as illustrated the combustion chamber 9 is of a generally frusto-conical configuration. The combustion and reaction chambers are preferably surrounded with a shell 5, which is of a size such that an annular passage is formed between the shell and the chambers, an air inlet 1 entering said annulus as mentioned above. The feedstock injector is preferably water-cooled, e.g. through a jacket served by pipes 59 and 61. The air inlet 1 and the louvres 11 may be arranged to provide a tangential entry of air. A helical deflecting vane may be positioned in the annular passage between shell and chambers. In an alternative embodiment and as shown in Fig. 1, axial vanes 31 may be fitted so that the direction of air flow is substantially wholly parallel to the axis, the louvres 11 being adapted to divert this flow into a substantially axial flow along the combustion chamber.
Patent GB-774255-A (GB)
Title: Improvements in the cold separation of gas mixtures
Inventor: SPONDLIN RODOLPHE
IPC: B01D51/10
Filed: 1955-07-20
Abstract: 774,255. Cold separation of gas mixtures. COMMISSARIAT A L'ENERGIE ATOMIQUE. July 20, 1955 [Aug. 6, 1954; June 30, 1955], No. 20960/55. Class 8(2) Removal of condensible impurities from a gas mixture in a line 3 e.g. the nitrogen content of a hydrogen - deuterium mixture prior to rectification in a column 34 discharging deuterium through a line 35 and liquid hydrogen through a line 17 is effected in one or other of reversible exchangers 1, 2 of the Hampson type e.g. exchanger 1, the nitrogen free mixture then traverses a cooling coil 9 in a bath of liquid hydrogen and is returned through the tubes of the exchanger 1 in countercurrent heat exchanger with the mixture after which it traverses the tubes of the other exchanger 2 in countercurrent exchange with downwardly flowing hydrogen gas effecting vaporization of the nitrogen condensed during the previous cycle. The mixture leaving the tubes of exchanger 1 is warmed by a bath of liquid nitrogen to the temperature at which the mixture first enters the exchanger 1 and the liquid hydrogen in line 17 is vaporized in an exchanger 18 before entering the cold end of exchanger 2. With the latter exchanger being derimed and exchanger 1 in use, valves 4, 7, 14, 20, 22 are open and valves 5, 8, 10, 15 are closed. During a changeover a normally closed valve 27 in a bypass line 26 is opened. In a modification the cooling coil at the cold end of each exchanger is replaced by an auxiliary exchanger of the same type as the main exchangers; 'the tubes of the auxiliary exchanger in use being traversed by returning hydrogen which then traverses the chamber of the other auxiliary exchanger prior to transversing the chamber of the main exchanger 2 being derimed.
Patent GB-1515237-A (GB)
Title: Speech simulators
IPC: G10L15/24
Filed: 1976-05-21
Abstract: 1515237 Speech simulators INST MATE. MATIKI SIBIR OTDELENIA AKAD NAUK SSSR 21 May 1976 21038/76 Heading G5J A main resonator 6 having a lid 7 is hermetically coupled to the outlet of a mouthpiece 3 in which a sourdine 8 is movable, the mouthpiece being coupled to an air inlet 18 through a first pipe 2 and a second pipe 4 which is hermetically connected to a closed, variable size cavity 5. The first pipe 2 may be provided with a flow control valve 10 and the sourdine may be formed in sections 12, 14, 15, the centre section 12 forming a resonator 6 preferably includes an additional closed resonant cavity 19 having an opening 20 communicating with the main resonator cavity and closable by a valve 21 which forms a smaller resonator 23 with the opening 20. Air is directed towards the opening 20 from a recess 25 in the chamfered edge 24 of the mouthpiece. An edge of the main resonator 6 may be provided with a slot 26 which is closed by a valve 27, and the lid 7 may also be provided with an opening 29 and valve 30. The second pipe 4 preferably includes a valve 17, a low frequency modulator 35, e.g. a cantilevered plate and nozzle 37, and an audio generator 16, the modulator and generator having valvecontrolled by-passes 32, 38. The movable parts and valves of the speech simulator may be controlled manually or by actuators to generate any desired sequence of voiced or unvoiced consonant or vowel sounds.
Patent GB-1593570-A (GB)
Title: Mechanical drives for generating linear displacement
IPC: F16H1/14
Filed: 1978-05-22
Abstract: The screw spindle mechanism is used to produce linear relative displacements of two bodies. It has a single-start screw (6) which is guided in axially displaceable fashion in a mechanism housing (1). A spindle nut (3) with a self-locking action in relation to the screw (6) is mounted in rotatable and axially non-displaceable fashion in the mechanism housing (1). Secured on the spindle nut (3) is a bevel gear (3a) which meshes with a bevel gear (7a) of a drive shaft (7) mounted in the mechanism housing (1). The drive shaft (7) and the screw (6) run perpendicularly to one another and their axes intersect. Compared to screw mechanisms with a worm-type transmission gear mechanism, this screw mechanism permits a considerably higher feed rate of the screw, a higher efficiency and a more favourable spatial configuration. Further shafts (8) can be coupled to the spindle nut in the same way as the drive shaft (7), via bevel gears (8a), and these shafts can transmit the driving power to similar screw mechanisms without additional direction-changing mechanisms. <IMAGE>
Patent GB-625648-A (GB)
Title: Improvements in and relating to apparatus for starting discharge lamps
IPC: H05B41/06
Filed: 1943-12-17
Abstract: 625,648. Control systems for space discharge apparatus &c. BRITISH THOMSON-HOUSTON CO., Ltd. Dec. 17, 1943, No. 21166. Convention date, Dec. 24, 1942. [Class 38 (iv)] [Also in Groups XXXVII and XL (a)] A thermal switch 12 for a discharge lamp which opens the starting circuit when the lamp starting switch 11 has made a number of unsuccessful attempts to start the lamp, comprises a bar 13 slidably mounted on an insulating plate 9 and having a rod 17 mounted transversely thereon with its ends in contact with the plate and forming one contact of the switch. A bimetallic strip 20 is fixed at its lower end to the plate 9 and is provided at its upper end with a latch normally engaging the rod 17. A heater 24 in a glass tube carried by a clip preferably welded to the strip and in series with the starting circuit bends the strip after a number of starting operations to release the rod 17 which is urged upwards by a spring 16, thereby opening the starting circuit. The switch 12 and the starting switch 11 are housed in a casing 27 mounted in the base of the lamp holder, the casing having a hole through which projects a tell-tale and re-setting button 29 engaging a bent portion 14 of the member 13. Specifications 553,481 and 575,291 are referred to.
Patent GB-221800-A (GB)
Title: Improvements in and relating to fuel measuring apparatus for vehicles and the like
IPC: G01F3/38
Filed: 1924-09-08
Abstract: 221,800. Nagel, A. Sept. 10, 1923, [Convention date]. Liquid-meters.-In a modification of the meter described in Specifications 207,494 and 213,215, the falling weight mechanism is in continuous engagement with the float by rack and pinion mechanism and is adjustable in accordance with the quantity to be delivered, looking means being provided by which either or both float and falling weight may be locked when the apparatus is not required to be in action. The float b in the measuring chamber a is provided with a tubular extension b<1> having a rack b<2> engaging a pinion e which through gears e<1>, e<2> actuates the main shaft f of the falling weight mechanism. A disc f<1> with pins f <2>, f<3> is fixed on this shaft, the pins acting as drivers for the weight h which is mounted loosely on the shaft f. On the disc f<1> is a bearing f<4> about which turn levers i, k, each provided with three arms i<1>, i<2>, i<3>, k<1>, k<2>, k<3>. The arms i<1>, k<1> lie on either side of the shaft f and are connected by a spring l. As the float rises during filling, the disc f<1> turns, the pin f<2> engaging the lever h<1> of the weight h and causing the face h<2> of the projection h<3> to engage the projection k<4> on arm k<2>. After the arm k<3> engages the adjustable stop m the lever k rocks and tensions the spring l. When the member h<3> slides off the projection k<4>, the weight falls, the member h<3> striking the face i<4> of the projection i<5>, and forcing the arm i<2> backwards passes under the member i<5> so that the face h<4> contacts with it. During this movement the pin h<6> on the weight lever straightens the toggle joint n and, through the rod p, closes the inlet valve q<1> and opens the outlet valve q<2>. A pin h<7> on the sleeve connecting the parts h, h<1> at the same time wipes past a one-way mechanism actuating the counter without affecting it. During the opposite movement of the weight when the float is moving downwards the one-way mechanism is again engaged by the pin h<7> and is actuated. On this movement of the float the disc f is also turned in the opposite direction and a similar delaying action is exerted on the falling weight, the levers co-operating with an adjustable stop v<1 >carried on a rod v. Members w<1>, w<2> on a locking rod w actuated from outside the apparatus serve to limit movement of the weight h and float b and to loch the apparatus out of action.
Patent GB-1467065-A (GB)
Title: Dc voltage regenerating transformer coupling device
IPC: H03F3/387
Filed: 1974-05-14
Abstract: 1467065 Pulse amplitude modulation; gating circuits HITACHI Ltd 14 May 1974 [16 May 1973 20 Aug 1973] 21325/74 Headings H4L and H3T The amplitude of an output pulse is made proportional to a D.C. voltage by means of a limiter comprising a transformer winding of which receives input pulses and another winding of which is connected to the D.C. voltage by a switch which becomes conductive in response to the pulse to limit the pulse or the back e.m.f. therefrom in accordance with the D.C. level. As shown the switch is a diode 11 which conducts when the input pulse at 7 induces a voltage in winding 4 greater than the D.C. level applied at 1 whereby the output pulse is correspondingly limited. Diode 13 compensates for the voltage drop in diode 11. In Fig. 8 the diode is replaced by a transistor which is switched on by the input pulses and in Figs. 9- 11 the diode voltage drop is removed by connecting it in the negative feedback path of an amplifier. The output pulse may be derived from a further winding. A number of the circuits may be selectively operated to feed a common output, selection being effected by switching transistors connected in the input pulse supply (Fig. 12, not shown). The circuit shown may be used to detect whether a pair of contacts are open by connecting the contacts across the capacitor.
Patent GB-409542-A (GB)
Title: Improved manufacture of synthetic masses
IPC: C08J3/20
Filed: 1933-07-29
Abstract: Rubber and organic filling materials are kneaded together longer than is necessary for softening the rubber, until the filling material has become very finely subdivided, and simultaneously heated at a temperature insufficient for vulcanization until the filling material contains less than 60 per cent of its moisture content in the air dried state, whereupon the mixture is vulcanized.  It is preferred to masticate the mixture before vulcanization to complete dehydration, and to the condition wherein the rubber is in dead state.  The filling materials are conveniently added to the rubber in large pieces or in a state of only partial disintegration, and then reduced during the mastication.  Suitable filling materials are leather, textile fibre, wood cellulose and cork.  The usual softening agents, accelerators and anti-agers may also be added.  Specifications 135,921, [Class 70], 368,902, and 376,318 are referred to.
Patent GB-457289-A (GB)
Title: Improvements in web-holding and guiding appliances for ladder web and other narrow fabric looms
IPC: D03D35/00
Filed: 1935-07-27
Abstract: 457,289. Looms for ladder webbing &c. FRENCH & SONS Ltd., T., and FRENCH, G. F., Chester Road Mills, Manchester. July 27, 1935, No. 21362. [Class 142 (ii)] Each web passes through a narrow parallel - sided transverse slot a<1> in a "stopper" comprising a one piece flat barlike guide member a supported by one or more rods c from the breast piece so as to be near the fabric fell. The bar a may have a transverse gap a<2> in its upper or lower wall through which the webbing may be removed. The bars c may be spring mounted as shown in Fig. 4. The plate a may be used in conjunction with the known stopper comprising a bent rod. The upper and lower webs of ladder webbing are thereby woven close together and tighter weaving of gun webbing for cartridge belts &c. is assured. Specification 453,832 is referred to.
Patent GB-885297-A (GB)
Title: Improvements in self-regulating reciprocating piston pumps, in particular for the injection of fuel into internal combustion engines
IPC: F02M59/32
Filed: 1958-07-03
Abstract: 885,297. Fuel injection pumps. BESSIERE, P. E. July 3, 1958 [July 8, 1957 ; Jan. 13, 1958], No. 21372/58. Class 102(1). [Also in Group XXIX] A fuel injection pump comprises a main piston 2 driven from the engine which on its discharge stroke lifts a spring loaded valve 22 to close conduit 11 and allow the fuel to be delivered past non-return valve 25 into chamber 6a thus actuating an auxiliary spring loaded piston 5 which delivers fuel in a chamber 6b past outlet valve 10 to the engine cylinders, a by-pass passage 8 determining the end of the stroke of piston 5. On the suction stroke of the main piston 2 the valve 22 returns opening conduit 11 and the auxiliary piston 5 moves under the action of spring 7 and transfers the fuel in chamber 6a to chamber 6b by way of conduit 11. The conduit 11 contains a throttle valve 12 which is adjustable in accordance with the engine speed so that at a predetermined engine speed the throttle passage is such that the piston 5 does not complete its downward stroke before the piston 2 starts its discharge stroke and hence the quantity of fuel transferred from chamber 6a to 6b and subsequently discharged is reduced until at a certain engine speed the conduit 11 is completly closed by the throttle valve 12 when no fuel is discharged from the pump. The axial adjustment of the throttle valve 12 may be made by a speed governor or as shown by a gear pump, driven by the engine, which delivers liquid to the bottom of the valve 12. The return line of this gear pump being controlled by an adjustable throttle 19. The throttle 19 may be in the form of a valve also loaded by the gear pump 17 or by a separate gear pump driven by the engine (see Group XXIX). The Specification also describes various shapes of passages for the throttle portion 14. A single throttle valve may also be used for several pumps each delivering to a separate engine cylinder. In a further modification a single valve member similar to 22 may be incorporated which also closes the conduit 11 between the throttle and the chamber 6b to prevent high pressure fuel acting from chambers 6a and 6b acting on the throttle during the discharge stroke of piston 2 and hence piston 5. Specification 861,754 is referred to.
Patent GB-920627-A (GB)
Title: Condenser and process for recovery of sublimable materials
IPC: C07C51/573
Filed: 1959-06-23
Abstract: <PICT:0920627/IV(a)/1> <PICT:0920627/IV(a)/2> In a process for recovering phthalic anhydride from a vapour, the vapour is passed through a condenser (see Group XIII) in a substantially constant direction of flow and in a flow path of p  progressively increasing heat transfer surface per unit of flow path area, the phthalic anhydride being condensed as a solid on the condenser elements and thereafter melted to recover the resulting liquefied material.  In the apparatus shown for carrying out the method the vapours pass upwardly through a casing 21 over externally finned coolant tubes 12, the pitch of the tubes and/or the fins decreasing progressively from the vapour inlet 10.  The coolant may be oil or water.  The condensed solid is afterwards liquefied by passing a hot fluid such as oil or steam through the tubes, the liquid being discharged from the casing at 17. Heating coils 19 are arranged near the bottom of the casing to prevent build-up of solids on the casing wall.  The process may be made continuous by connecting a number of the condensers in parallel. Three examples are given using different arrangements of the heat exchange surfaces and each giving the time interval before the accumulation of condensed solid causes increased pressure drop through the condenser, and also the percentage loss of recoverable phthalic anhydride.  The phthalic anhydride vapour is produced by the oxidation of naphthylene or ortho-xylene.
Patent GB-244164-A (GB)
Title: Improvements in turbines or rotary fluid pressure engines
IPC: F01D1/34
Filed: 1924-09-10
Abstract: 244,164. Morgan, D. J. Sept. 10, 1924. Jet-wheels.-A turbine wheel 1 of spherical or other form is housed in a easily 6 of corresponding form and is provided with a number of vanes 2 which are packed by fluid-pressed strips 7 extending around the vane and down the sides of the rotor. The driving fluid which is admitted by a port 16 and exhausted by a port 17, or viceversa, is led to channels 9 behind the strips 7 by way of a pivoted valve 15 which opens a vane port 14 on the pressure side and seals the opposite port 14.
Patent GB-690392-A (GB)
Title: Improvements in or relating to machines for cutting paper and like sheet material
IPC: B26D1/24
Filed: 1950-08-30
Abstract: 690,392. Sheet-delivery apparatus; folding papers. TIMSONS, Ltd., and DICKINSON, C. H. Aug. 22, 1951 [Aug. 30, 1950], No. 21440/50. Class 100(i) [Also in Group VIII] In a machine for cutting travelling webs W off paper or like material into sheets S (see Group VIII), movable elements 6 are adapted to grip the leading edges of the cut sheets and convey them away from the cutting means 1, 2 which together with a pair of feed rolls 3, 4 are adjustable relatively to the elements 6 to vary the length of the sheets. The elements 6 consist of one or more series of grippers or pins mounted on a continuously rotatable drum S. The grippers may be equiangularly spaced so that when one series is conveying a sheet, or collection of sheets, away from the cutting means, another series is moving into position to grip the leading edge or edges of the next sheet or sheets. The drum is also furnished with folding blades adapted to co-operate with jaws on a companion cylinder, the blades being mounted in angularly adjustable spiders so as to vary the relative positions of the folding blades and the grippers or pins. When the machine is to deal with collections of sheets cut from a plurality of separate printed webs, the drum has associated therewith means for stitching or stapling together sheets of each collection, e.g. in the production of books, magazines and the like.
Patent GB-244166-A (GB)
Title: Means and methods for electrodepositing nickel, cobalt or nickel alloys
IPC: C25D3/56
Filed: 1924-09-11
Abstract: 244,166. Potter, E., (Madsenell Corporation). Sept. 11, 1924. Dry processes of refining nickel.-Metal for use as an anode in the electrodeposition of nickel is obtained by passing air or other oxidizing gas through a molten mass of nickel until black oxide of nickel appears on the surface, the amount of oxygen necessary being in excess of 0.1 per cent. Alternatively, nickel peroxide may be added to the molten mass. The metal should preferably be free from chromium and silicon. The molten mass is cast in chill moulds.
Patent GB-963055-A (GB)
Title: Novel trihalo-substituted ethanal aldoxime esters, their preparation, and their use as food preservatives
IPC: A23L2/44
Filed: 1963-05-29
Abstract: The invention comprises compounds of the general formula: <FORM:0963055/C1/1> wherein each R represents a halogen atom, R1 represents a substituted or unsubstituted hydrocarbon group, and n is 1, 2 or 3. Preferred compounds are those in which n is 1 and R1 represents an alkyl, cycloalkyl or aryl group which may be substituted by one or more hydroxy groups. Numerous compounds are specified.  The compounds are prepared by reacting a hydroxylamine hydrohalide with a trihalo-substituted aldehyde of the formula C(R)3-CHO to give a trihalo-substituted aldoxime which is then reacted with the acid anhydride or acid halide of a carboxylic acid having the formula R1(COOH)n, R,R1 and n being as defined above. Preferably the first step is carried out in an aqueous medium in the presence of calcium chloride and the second step in a non-aqueous medium in the presence of an amine. preferably pyridine.  An example describes the preparation of chloral amine acetate.ALSO:Compositions suitable for preserving food comprise, as active ingredient, at least one compound of the formula <FORM:0963055/A1-A3/1> wherein each R represents a halogen atom, R1 represents a substituted or unsubstituted hydrocarbon group, and n is 1, 2 or 3 (see Division C2).  The compositions preferably comprise a solid or liquid diluent and/or a surface-ative agent, or a compresse gas.  Food may be preserved by contacting the food with a composition as defined above or with compounds of the above general formula.  Specified foods are fish, poultry, bread, fruit, cheese and meat.  Examples describe the use of chloral oxime acetate as a preservative for cheddar cheese, cottage cheese, and patties containing maize meal and ground beef.