baber/WOPTO huggingface dataset:
Patent GB-576179-A (GB)
Title: Improvements in or relating to controls for internal combustion engines
IPC: F02D9/00
Filed: 1942-07-31
Abstract: 576,179. Fluid - pressure servomotor - control systems. BENDIX AVIATION CORPORATION. July 31, 1942, No. 10790. Convention date, Oct. 17, 1941. [Class 135] A control for internal combustion engines having a multiple step supercharging system adapted to be manually changed up from one step to another is provided with safety means which come into operation at atmospheric pressures above a predetermined value and act to resist stepping-up of the supercharger and with means automatically to decrease the supercharging step upon decrease in altitude below a predetermined altitude. In the arrangement shown in Fig. 1, a two-speed gear 24, interposed in the compressor drive is moved to the high gear position by moving a lever 26 downwards from the position shown. Movement of this lever at low altitudes is restrained by a stop 32 held in its raised position by a spring 35 and hydraulic pressure acting on a piston 33 provided with a leak port 37. The supply and exhaust of fluid pressure to and from the cylinder 34 is controlled by a spring- loaded piston valve 115 actuated by sealed corrugated bellows 123 evacuated to any desired degree and housed in a chamber 124 connected by a pipe 125 to the air intake 11. The engine throttle 40 is operated by a pilot's lever 41 acting through a link 47 lever 45, link 44 and crank arm 43. The lever 45 is mounted on a pivot 46 movable by a power piston 53 under the control of a piston valve 81 actuated by sealed corrugated bellows 88 housed in a chamber 89 connected by a pipe 91 to the supercharger outlet to limit the charging pressure. When the aircraft approaches the altitude where increased supercharging is necessary, the valve 115 is operated to cause the withdrawal of the stop 32. Thereafter operation by the pilot of a knob 29 connected by a sheathed cable 28 to the lever 26 can depress the lever to put in high gear. At the same time the cable acts through a bell-crank lever 100 and pin-and-slot connection 97 to tension a spring 95 and add its tension to that of a spring 94 and so increase the datum boost and increase the engine power to compensate for the added load of the supercharger. When the stop is in the low gear position, it may be forcibly depressed by manipulation of'the knob 29, but when the knob is released, the lever returns to the low gear position. In a modification, the stop is actuated by a single-acting piston and the boost control is put out of operation while the variable speed gear is in low gear. In this arrangement, the stop power cylinder is controlled by a relay-valve actuated by fluid pressure under the control of a valve actuated by the bellows 123. Ports in this valve or in a second relay valve when it is in the low gear position control the piston 53 in its lefthand position in spite of the valve 66 moving to the position which by itself would cause the piston to move to the right so putting the boost control out of operation. Specification 523,895 is referred to.
Patent GB-981280-A (GB)
Title: Improvements in or relating to double linkage supported table
Inventor: FARRIS WILLIAM ALBERT
IPC: A47B9/16
Filed: 1963-03-19
Abstract: 981,280. Vertically adjustable tables AMERICAN MANUFACTURING CO. Inc March 19, 1963, No. 10835/63. Headings A4H and A4W. [Also in Division B4] A vertically adjustable table includes a thrust linkage 3, 4, 5 and actuator 20 similar to that described in Specificatior 973,264 but having a different stabilizing linkage. This comprises links 31, 29 identical in shape to links 5, 4 and 3, respectively, and pivoted to them at 32 and 30 forming a lazy-tong linkage. The links 31, 29 have rollers 34, 33 engaging channels 35, 1<SP>1</SP> in the table top 9<SP>1</SP> and base. The actuator 20<SP>1</SP> instead of being pivoted to the base is pivoted to the link 3 at 28 and link 5 at 23 and is disposed wholly between these two points at all times. The top 9<SP>1</SP> rests on the upper channels 35 and can be pivoted about one side to provide access to the linkage.
Patent GB-368114-A (GB)
Title: Process of producing pure white mono-calcium-orthophosphate
IPC: C01B25/32
Filed: 1931-04-13
Abstract: Crude phosphoric acid is treated with oxidizing agents such as nitric, chloric, or bromic acid or salts thereof to remove organic impurities and convert inorganic impurities to a higher state of oxidation.  A small quantity of hydrogen peroxide, sulphur dioxide, sulphuretted hydrogen, hydrogen, or acetic, formic, tartaric, or citric acid is added simultaneously or subsequently and the phosphoric acid then reacted with calcium phosphate or other calcium compound to obtain monocalcium phosphate, the solid product obtained by drying being free from discolouration. Impurities in the calcium phosphate &c. used for the reaction are oxidized by having excess of oxidizing agent present in the phosphoric acid.
Patent GB-642805-A (GB)
Title: Improvements in teapot or like handles
IPC: A47J45/06
Filed: 1948-04-20
Abstract: 642,805. Handles of tea-pots &c. JOSEPH, Ltd., N. C., and JOSEPH, B. C. April 20, 1948, No. 10847. [Class 66] A teapot &c. 3 has a guard-plate 2 at the base of a loop-handle 4 to shield the hand from touching the body of the tea-pot when grasping the handle. The handle may project from the plate 2 which may be riveted to the tea-pot or may be moulded on a base and the base riveted to the tea-pot.
Patent GB-144043-A (GB)
Title: Safety pocket for garments
IPC: A41D27/20
Filed: 1919-11-21
Abstract: 144,043. Dickson, G. Nov. 21, 1019. Pockets.-A safety inner pocket c is closed by a broad band d of elastic, the top of the dividing-partition a being also provided with an elastic cord or band.
Patent GB-527410-A (GB)
Title: Improvements in and relating to electrical insulating materials
IPC: C08K3/22
Filed: 1939-04-11
Abstract: 527,410. Chloroprene compositions. BRITISH THOMSON-HOUSTON CO., Ltd. April 11, 1939, No. 11003. Convention date, April 13, 1938. [Class 70] An electric insulating composition consists of plastic polymers of chloroprene compounded with an oxide of lead, alone or together with carbon black. Inert fillers may be added. Specification 470,380,[Group IV], is referred to.
Patent GB-102463-A (GB)
Title: A Vaporizer for Facilitating the use of Paraffin in Internal Combustion Engines.
Inventor: KHAN JOSEPH ROBERT
IPC: F02M31/18
Filed: 1916-08-04
Abstract: 102,463. Khan, J. R. Aug. 4, 1916. Vaporizers, external.-A branch A from the exhaust pipe E first traverses the induction pipe L and is then coiled around it at B.
Patent GB-942029-A (GB)
Title: A method of detoxifying town and trunk gases
IPC: C10K3/04
Filed: 1962-03-22
Abstract: A process for detoxifying town or trunk gas comprises passing the gas at 250 DEG  to 450 DEG  C., at space velocity of 1000 to 5000 cub. m./h. (S.T.P.) per cub. m. catalyst, and at normal pressure over a preliminary or guard catalyst, and wherein the CO contained in the gas is then converted by reaction with steam at 350 DEG  to 450 DEG C. and in the presence of an iron oxide catalyst.  When the conversion is carried out at elevated pressure the space velocity over the preliminary catalyst is raised to 5000 to 10,000 cub. m./h. per cub. in. catalyst.  The preliminary catalyst, which may contain iron, cobalt, or nickel sulphides, may be used undiluted or applied in 5 to 30% by wt. to carrier materials such as alumina, kieselguhr, or pumice.  The catalyst is first introduced as the oxide and then converted into the sulphide by admixture of H2S, CS2, or S with the entering gas.  The main catalyst is Fe2O3 and may contain Cr2O3.
Patent GB-358949-A (GB)
Title: Improved method of and apparatus for the manufacture of vacuum vessels
IPC: C03B9/06
Filed: 1930-04-08
Abstract: 358,949. Forming vacuum flasks. SCHMIDT, O. K., Altenfeld, Thuringia, Germany. April 8, 1930, No. 11199. Convention date, July 29, 1929. Void [Published under Sect. 91 of the Acts]. [Class 56.] A method of making a vacuum flask consists in inserting an inner blank into an outer blank which has one end closed and rounded, and then fusing the blanks together at their free ends to form the neck of the finished flask. The blanks 1, 2, Fig. 2, are formed to the shapes shown by blowing, and the excess glass, shown in dotted lines, is removed. The neck 2c of the inner blank is given approximately its final shape while the neck 1c of the outer blank is of slightly less diameter than the body. The blank 2 is inserted in the blank 1 with spacers between them, and they are then fused together at the necks. A machine for making the flasks comprises two standards 4, Fig. 3, secured to a bedplate 3, and a driving-shaft 6 journalled in the standards. A frame 8, consisting of two casings 17, 18 joined by a sleeve, rotates freely on the shaft 6 and contains gear wheels 19, 20 and 21, 22, which engage gear wheels 13, 14 respectively, secured to the shaft 6. Chucks 9, for holding the outer blanks, are secured to the spindles of the wheels 19, 20, and shafts 11 are feathered in the hubs of the wheels 21, 22. The shafts 11 carry devices 31, 33 for supporting the inner blanks. Thus pairs of blanks mounted in the machine are constantly rotated by the shaft 6, and the frame 8 can be turned by hand to bring either of the pairs of blanks uppermost. The shafts 11 are movable longitudinally to insert an inner blank into an outer one, and the frame can be locked in the working position by latches 23. In use, an outer blank is placed in the uppermost chuck, an inner blank is placed on the supports 31, 33, and the shaft 11 is moved inwards in order to insert the inner blank in the outer blank. The necks of the two blanks are preheated, and the frame 8 is then rotated to bring the blanks to the lowermost position and the heating of the necks is continued, the assembled blanks being in constant rotation in both positions of the frame. When the glass of the necks is sufficiently softened, the neck of the outer blank is shaped by means of two templets 38, Fig. 5, pivoted on a frame 37 which slides transversely on the bedplate. The templets have tail-pieces 41, 42 which slide through an aperture in a plate 43 fixed to the bedplate. When the slide is drawn forwards, the tail-pieces close the templets on the neck of the outer blank and shape it to its final form. The free edges of both blanks are pressed in contact with one another and are welded.
Patent GB-1471237-A (GB)
Title: Basically substituted benzenesulphonamides and process for preparing them
IPC: C07D295/12
Filed: 1975-03-18
Abstract: 1471237 Benzenesulphonamides HOECHST AG 18 March 1975 [18 March 1974] 11202/75 Heading C2C Novel compounds (I) (including salts thereof) wherein R<SP>1</SP> and R<SP>2</SP> which may be the same or different, each represent a hydrogen atom, or an aliphatic, a cycloaliphatic, cycloaliphatic aliphatic or phenyl aliphatic radical all of which radicals may be branched, unsubstituted or substituted by one or more hydroxy groups or a phenyl group, and/or which may be interrupted by one or more oxygen and/or sulfur atoms, or the group represents a heterocycle having from 3 to 9 members, are made by reducing corresponding nitro compounds. Pharmaceutical preparations having antihypertensive action contain (I) as active ingredient. Administration is orally or parenterally.
Patent GB-1374386-A (GB)
Title: Process for the preparation of succinylosuccinic acid diesters
IPC: C07C51/00
Filed: 1973-03-29
Abstract: 1374386 Preparation of succinylosuccinic acid derivatives LONZA Ltd 8 March 1973 [11 April 1972] 11260/73 Heading C2C Succinylosuccinic acid diesters are prepared by condensing γ-haloacetoacetic esters in the presence of a base and an -OH- free organic solvent at a pH value of 8 to 11. Preferably the organic solvent used has a dielectric constant of at least 20 measured at 20 C.
Patent GB-473894-A (GB)
Title: Improvements in or relating to tooth cleansing agents
IPC: A61Q11/00
Filed: 1936-04-20
Abstract: Water-soluble salts of pyrocatechol disulphonic acid are added to dentifrices as tartar dissolving agents.  Other agents, such as water-soluble metaphosphates or pyrophosphates, serving to dissolve insoluble calcium compounds may also be added.  The dentifrices may contain the usual mechanical cleansing agents, binding agents, capillary active substances, disinfectants and flavourings, examples of which are given: all these additions should be substantially free from calcium.  The dentifrice may be neutral or weakly acid. According to an example, a dentifrice contains pyrocatechol disulphonic acid sodium salt, aluminium silicate, bolus, kaolin, silica gel, and glycerin.
Patent GB-419648-A (GB)
Title: Improvements in or relating to lubricating devices
IPC: F16N21/04
Filed: 1934-04-14
Abstract: 419,648. Pipe couplings. SHEVLIN, J. T., 15, South Street, Finsbury, London.- (Lubrication Corporation ; 910, South Michigan Avenue, Chicago, U.S.A.) April 14, 1934, No. 11342. [Class 99 (i).] A lubricant fitting has a head C with a spherical lower portion and a flat upper face 8 forming an annular dirt-cutting edge 13. A clamping member N for supplying lubricant to the fitting has pivoted jaws 14 curved in accordance with the surface 5 and a spherical nozzle 12. When in clamping engagement the centres of the spherical surfaces of the nozzle 12 and surface 5 coincide although the radii may differ in length.
Patent GB-374471-A (GB)
Title: Rubbers for use in the production of dentures
IPC: A61C13/00
Filed: 1928-11-02
Abstract: To avoid contamination, dental rubber is produced in narrow ribbon, strip or like form rolled or wound in reel form with intervening non-adhesive substance.  Thus, dental base rubber, particularly for use in the apparatus and process described in Specifications 374,450 and 374,470, is prepared in the form of a narrow ribbon which is wound on a cylindrical former or tube with a separating strip of non-adhesive substance such as that sold under the Registered Trade Mark "Cellophane".  Specification 374,472 also is referred to.
Patent GB-656456-A (GB)
Title: Improved railway or other trackline wheel
IPC: B60B17/00
Filed: 1947-04-29
Abstract: 656,456. Railway wheels. GREENBERG, L. April 29, 1947, No. 11407. Convention date, April 30, 1946. Addition to 656,453. Drawings to Specification. [Class 144 (i)] [Also in Group XXII] Describes the form of and method of making the wheel described in the parent Specification, and claims a wheel formed by casting about a pre-formed cast-iron bush and having spragholes each surrounded by a bead or having other projections to absorb stresses due to such holes.
Patent GB-552501-A (GB)
Title: Improvements in or relating to devices for marking out and machining workpieces
IPC: B25H7/02
Filed: 1941-09-08
Abstract: 552,501. Optical gauging-apparatus. DUNDAS, Ltd., R. K., KING, R. D., and WOOD, N. F. Sept. 8, 1941, No. 11454. (Class 106 (ii)] [Also in Groups XXII and XXIII] Jigs for use in drilling, marking out, and gauging work and for like operations may be employed in the construction of plate jigs for repetitive work or drilling for work required singly or in small numbers only. A base 2, Fig. 1, has a groove 20 in which is slidably positioned an angle bar 19 having a cross groove in which is mounted a member 21 carrying a bar 5 secured at 22. The bar 5 is graduated and carries a cursor 6 provided with a vernier and detachably connected by a screw 9 and nut 12 to an auxiliary cursor to provide for fine adjustment when the auxiliary cursor is clamped by a handled cam 14. Similar cams clamp the main cursor after adjustment. The cursor 6 carries an arm 1 at right angles to the bar 5 and this arm also has main and auxiliary cursors the main cursor having a series of holes 4 in which may be placed a bush 36, Fig. 8, having a spring- retracted centre punch 38, or a bush carrying a scriber or a bush 48, Fig. 10, carrying a fixed focus inspection microscope with a branch 49 for a lamp for use in checking up finished work. The bar 5 may be fixed to the base 2 by means permitting angular adjustment about. an axis parallel to the bar a graduated disc indicating the angular adjustment made. This enables the jig to operate over a surface at right angles to or inclined to the surface 2.
Patent GB-114928-A (GB)
IPC: B22C11/00
Abstract: 114,928. Archer, A. E. May 24, 1917. Moulding machines and processes; patterns.- Relates to a method of, and means for, moulding articles having slender parts such as spikes, shanks, &c., and consists in forming the impressions in the sand for such slender parts at the same time as the main impression of the pattern is taken. The pattern or patterns are secured to, or made integral with, a plate 2 on which is inverted a half-flask 5. The plate 2 has secured to it rods 7 which pass easily through holes in a base-plate 1 and are surrounded by springs to hold the plates apart. The prickers 3 are secured to the base-plate and enter perforations in the plate 2 and pattern, the plates 1 and 2 being normally held at such a distance apart that the prickers do not project beyond the face of the pattern. When the sand is being rammed, the flask and the pattern plate are depressed on to adjustable stops 26, and the points of the prickers are thus caused to project into the sand to form the necessary impressions for the projections.
Patent GB-1082990-A (GB)
Title: Transistorized direct current amplifier devices
IPC: H03F3/04
Filed: 1965-03-18
Abstract: 1,082,990. Overload protective device. THOMSON AUTOMATISMES. March 18, 1965 [March 18, 1964], No. 11550/65. Heading H3T. A transistorized direct current amplifier device having its output transistor protected against an excess voltage across its collector electrode comprises an output transistor T1 feeding a load Z, a second transistor T2 connected to T1 and having in its collector circuit two networks A, B connected in parallel such that when the load has a value less than a predetermined minimum the current flow from the output transistor is limited, and when the load has a value equal to or greater than the predetermined minimum the output transistor is driven to saturation, network A being an impedance T4 of high value, network B being an active circuit having an impedance which is varied in accordance with the actual value of the load and which superposes its action on that of network A. In the embodiment shown transistor T3 in network B is biased so that it is non-conducting when the load value is less than its predetermined minimum and the collector load of T2 is the high impedance R4. If the load value is equal to or higher than its predetermined minimum when a signal is applied to terminal C then the biasing of T3 is such that T3 conducts, thus lowers the collector impedance of T2 and increases the output of T1. This action with the added action of varistor V, whose impedance decreases as the voltage across it increases, causes a quick drive of T1 to saturation. If no input signal is applied to C, T2 and T1 are held at cut-off, the diode D2 establishing a positive potential at the base of T1 The diode D1 protects against over voltage across the load when T1 is sharply driven to cut-off.
Patent GB-1082924-A (GB)
Title: Improvements in and relating to electro-magnetic free piston pumps
Inventor: HEYDEN-LINDEN DIETRICH VON
IPC: G05D9/12
Filed: 1965-03-18
Abstract: 1,082,924. Automatic control. DEUTSCHE AKADAMIE DER WISSENSCHAFTEN ZU BERLIN. March 18, 1965, No. 11569/65. Heading G3R. Deviations of a variable control the frequency, intensity or duration of an electronic pulse generator energizing an electromagnetically operated free piston pump to correct the variable automatically. In Fig. 1, the core 2 of a differential transformer 1 is moved by a float (not shown) in dependence on deviations in the level of liquid in a container from a desired value so that the difference in potential between the anodes of a valve 3 changes to alter the resistance of a charging valve 7 associated with a condenser 8 and a discharge thyratron 9 to form a relaxation oscillator energizing an electromagnet 10 of a reciprocating free piston pump (not shown) supplying fluid to the container. The resulting change in the intensity and frequency of the pulses applied to electromagnet 10 alters the pump delivery to correct the level automatically. In a modification the difference in potential between the anodes of valve 3 is applied to control in opposite senses one or other of two relaxation oscillators energizing separate pumps, one increasing the level and the other decreasing it as required. Use of blocking oscillators, multivibrators and/or transistors is referred to.
Patent GB-863382-A (GB)
Title: Process for the production of thermally highly stressable enamellings
Inventor: POSCHMANN HELMUT
IPC: C03C4/00
Filed: 1958-04-11
Abstract: 863,382. Enamel. EMAILLEGUSS RADEBEUL VEB. April 11, 1958, No. 11571/58. Class 56. To a protective enamel containing SiO 2  and Al 2 O 3  in the ratio 5 ... 10 : 1 there is added in the mill or subsequently, 10-60% of flint powder or 5-20% of feldspar powder, both based on the weight of said enamel.
Patent GB-1097306-A (GB)
Title: Improvements in or relating to waste gas purification
Inventor: KERR JOHN
IPC: B01D53/86
Filed: 1964-03-19
Abstract: SO2 is removed from flue gas containing not more than 5% by wt. SO2 by the Claus reaction: 2H2S + SO2 --> 2H2O + 3S in the presence of a catalyst, the H2S being generated outside the flue gas and thereafter mixed with the flue gas. Preferably, the H2S is in sub-stoichiometric proportions (e.g. 50-90%) and the reaction is carried out at 100-150 DEG  C. with activated alumina which may be regenerated by heating to above 445 DEG  C. in an oxygen-free atmosphere, e.g. de-oxidized flue gases, to vaporize the sulphur, part of which may be used to form H2S. Other catalysts mentioned as suitable are active titania, mixtures of iron and aluminium oxides, zeolites and firebrick.
Patent GB-649518-A (GB)
Title: Improvements in or relating to supersonic transmitting apparatus
IPC: G01N29/24
Filed: 1947-04-30
Abstract: 649,518. Testing materials by supersonic vibrations. SPERRY PRODUCTS, Inc. April 30, 1947, No. 11573. Convention date, May 10, 1946. [Class 106 (ii)] [Also in Group XXII] A vibrating apparatus for transmitting supersonic waves into an object to be tested comprises a primary hammer adapted to make firm contact with the object, and a secondary hammer connected to the primary hammer and having a mass substantially larger than the mass of the primary hammer, the length of the primary hammer in the direction of striking and the lateral dimensions thereof being small relative to the dimensions of the object but large relative to the wave length. Preferably the dimension of.the primary hammer in the direction of striking is equal to v/2f, where f is the desired frequency, and v is the velocity of the longitudinal waves in the hammer. As shown in Fig. 1, a primary hammer 10, adapted to strike the object 12, is connected by a spring 17 to a secondary hammer 11 which is rapidly reciprocated by electromagnetic means 50. The wave trains generated in the object are detected by a ring-shaped quartz crystal 15 connected through an amplifier 20 to an oscilloscope 25. The sweep circuit 27 for the oscilloscope is actuated each time the hammer 10 strikes the object. The proportions of the primary and secondary hammers and the connecting spring are designed to. generate wave trains of the required duration and frequency. Instead of a connecting spring 17, the hammer 10 may be joined to the hammer 11 by an integral neck portion. The striking face of the hammer 10 may be curved, and it may be grooved to allow trapped air to escape freely. In the form shown in Fig. 6, the hammer 10<SP>11</SP> has a stem 40 passing through an opening in the hammer 11<SP>11</SP> and connected with a flange 42. A spring 17<SP>1</SP> urges the two hammers apart. An anvil or intermediate member may be arranged between the hammer and the object to ensure plane wove fronts entering the object. The hammer may be reciprocated by pneumatic or other means.