baber/WOPTO huggingface dataset:
Patent GB-1293743-A (GB)
Title: A starter switch for a starter motor of an internal combustion engine
IPC: F01L1/00
Filed: 1970-01-09
Abstract: 1293743 Preventing unauthorized use of IC engines SOC D'EXPLOITATION DES BREVETS NEIMAN S A 9 Jan 1970 [30 Jan 1969] 1155/70 Heading F1B [Also in Division H1N] A starter switch for a starter motor of an internal-combustion engine incorporates pressureresponsive means connectible to the engine inlet manifold and serving in operation to mechanically block actuation of the switch when the engine is running and a partial vacuum exists in the manifold. As shown, tube 18 is connected to the manifold and when the partial vacuum occurs piston 2 is moved downwards and lug 22 on piston 2 enters groove 25 to limit the rotation of the switch. On release, piston 2 is freed from groove 25 by spring 3. When the switch is rotated, ramp 20 moves upwards latch 11 unlocking the steering. Latch 11 is normally urged downwards into the locking position by spring 14. In a second embodiment, Figs.3, 4 (not shown) piston 2 is at right angles to the switch rotor and engages a semi-torridal groove. In a third embodiment, Fig. 5 (not shown) piston 2 is at right angles to the switch and lug 22 engages a notch 27 in a slot 26. In all embodiments the piston may be replaced by a diaphragm or by an elastic hollow finger which may be reinforced by a spring.
Patent GB-1445988-A (GB)
Title: Thyratrons
IPC: H01J17/56
Filed: 1973-01-09
Abstract: 1445988 Thyratrons ENGLISH ELECTRIC VALVE CO Ltd 28 Nov 1973 [9 Jan 1973] 1164/73 Heading H1D A multi-gap gradient-grid thyratron has, between the control grid 4 and anode 3, a succession of gradient-grids which are alternately long and short. A long gradient-grid has two electrodes 22 and 23 with a drift space 24 between them, while short gradient-grids 21 and 25 have only a single electrode. In both cases single electrodes may be replaced by assemblies of closely-spaced, parallel-connected electrodes. The electrodes in each assembly may have outof-register annular gaps. The discharge is confined to the electrode assemblies by metal screens 30. The electrodes are separated and supported by ceramic cylinders 31, 32, 33, 34, 35, 36 forming the envelope. 37 is a priming grid. Heat conducting members 38, 39 are provided as in Specification 1,143,087.
Patent GB-469233-A (GB)
Title: Improvements in or relating to furnace grates
IPC: F23K3/12
Filed: 1937-01-14
Abstract: 469,233. Firegrates. PETERSEN, K. Jan. 14, 1937, No. 1177. [Class 51 (i)] An inclined grate has push-bars 7 moving the fuel along the grate surface, these bars being disposed each in a separate tuyere block 5, the block assembly forms the grate and the bars in out-of-use position are sheltered in the blocks and cooled bv the combustion air. The push-bars 7 are operated singly or in groups by arms 9 mounted on shafts 8 and extend through rectangular orifices 6 in the tuyere blocks. The orifices 6 may be encircled by a frame of refractory material and the front part of the push-bars may also be made of refractory material.
Patent GB-959498-A (GB)
Title: Electrochemical cells and manufacture of electrodes therefor
IPC: H01M4/86
Filed: 1962-01-12
Abstract: <PICT:0959498/C3/1> <PICT:0959498/C3/2> An electrochemical cell, e.g. for electrolyzing an aqueous solution of alkali metal chloride or iodide to produce alkali metal hydroxide and chlorine, a hypochlorite, a chlorate or an iodate, contains an electrode which comprises a support formed from Ti or a Ti alloy containing more than 50% by weight of Ti, a portion or the whole of the surface of which is conductively covered by a coating of an alloy consisting of Mo or W and one or two of the metals Fe, Co and Ni.  Binary alloys of Mo/Ni or Mo/Co contain 5-65% Mo, Mo/Fe contains 5-70% Mo, W/Co 5-66% W, W/Ni 18-45% W, W/Fe 5-60% W. Ternary alloys contain 5-60% Mo or W. The alloys may be applied to the support by electroplating; by sintering a mixture of the powdered alloy metals under the application of heat, with or without pressure, in an inert atmosphere, e.g. argon, on to the Ti; by roll-bonding: vacuum depositing; metal spraying; rolling the powdered alloy or a mixture of powdered metals on to the Ti; or by painting metallizing solution of the alloy on to Ti and subsequently firing, where the metals are applied in a finely divided form in an organic solvent resin system. Electroplating baths contain W, as WO3 or a soluble tungstate, or Mo, as MoO3 or a soluble molybdate, together with a salt of the co-depositing metal.  The baths may additionally contain hydroxy organic acids or their Na and K salts (e.g. citric or tartaric acids), NH4Cl or (NH4)2SO4, and NaCl or KCl.  The H ion concentration may be adjusted with aqueous NH3 or NaOH solutions.  Baths containing Na4P2O7 may be used for electrodepositing Mo/Ni, Mo/Ni/Co, Mo/Ni/Fe and Mo/Fe/Co. One such bath contains 32-45g.Na2MoO4.2H2O, 4-5 g. FeCl3.6H2O, 5.3-6.5 g. CoCl2.6H2O 21-32 g. Na4P2O7, 70-100 g. NaHCO3 and 1.2-1.8 g. N2H4.H2SO4 per litre of aqueou solution at 50-70  DEG C., the electrolyzing current density being 5-15 A/dm2.  Prior to plating, the Ti may be pre-treated with fluoboric acid. Bipolar electrodes may be formed having only their cathodic surfaces coated by the alloy, their anodic surfaces being covered by a layer of Pt, Ru, Rh, Pd, Os, Ir, or an alloy of two or more of these metals. As an alternative to this layer of Pt group metal, an anodic surface may have a graphite plate clamped to it.  Fig. 1 shows a chlorate cell assembly comprising Ti electrodes 4, 6 and 9 spaced by polythene washers 11.  The electrodes are coated with Pt at 5, etched at 7, coated with Pt at 8 and coated with Mo/Co at 10.  Electrolyte enters and leaves the cells through pipes 14-17.  Fig. 3 shows a diaphragm cell assembly for producing Cl2.  It comprises Ti electrodes 22, 28 and 32 and porous polythene diaphragms 20, 21 spaced by polythene washers 35-38.  The electrodes are coated with Pt at 23, Mo/Co at 29, Pt at 30 and Mo/Co at 31. Electrolyte is fed to the cells at 39, 43, Cl2 withdrawn at 40, 44, H2 withdrawn at 41, 45 and caustic liquor withdrawn at 42, 46. Voltages are measured by devices 47, 48. Specification 845,043 is referred to.
Patent GB-1105618-A (GB)
Title: A process for the production of finely divided precipitated silicon dioxide
IPC: B01J20/10
Filed: 1966-01-11
Abstract: Proteins may be removed from beer by addition of SiO2 having a specific surface area of 400 m2/g and a pore diameter of 60<\>rA. After the SiO2 has settled the liquid is filtered clear by a filter press.ALSO:Finely divided precipitated silica is prepared by simultaneously introducing batches of an alkali metal silicate solution and an acid solution into pure water (as defined) at a temperature of 25 DEG  to 100 DEG  C., the pH value being maintained constant and the precipitation being followed by washing, filtering and drying.  The sodium silicate solution may have a concentration of up to 120 g. of Na2O per litre, and the sulphuric acid a concentration of up to 98%.  The pH value may be from 2 to 10.  The silica so-produced may have a BET specific surface area of up to 800 m.2/g. and a pore diameter of greater than 60 *?*.  It may be used for treating liquids containing proteins (particularly beer) wherein SiO2 with a specific surface area of 400 m2/g. and a pore diameter of 60 *?* is dispersed in the liquid which is filtered clear by a filter press after the SiO2 has settled.
Patent GB-236887-A (GB)
IPC: B29C65/50
Filed: 1925-01-15
Abstract: 236,887. K÷ln-Rottweil Akt.-Ges. July 10, 1924, [Convention date]. Void [Published under Sect. 91 of the Act]. Wall coverings and linings; continuous flooring.-Butt joints are formed in linoleum or other coverings which are plastic under heat by softening the abutting edges and widening them into a groove, inserting material of the same composition and uniting the whole bv heat and pressure. The insertion may be in the form of a strip or powder. The invention mav be carried out with the aid of an electricalfv heated tool furnished with a pair of interchangeable heads, one of which is adapted to form the groove, as shown in Fig. 2, while, the other, Fig. 4, is adapted to complete the joint. The inventon is applicable to linings for cold storage wagons and for repairing damaged places in linoleum.
Patent GB-393892-A (GB)
Title: Improvements in devices for examining the diameter of bores
IPC: G02B23/24
Filed: 1933-01-16
Abstract: 393,892. Linear-dimension gauges. ZEISS, C., [Firm of], Carl-Zeiss-Strasse, Jena, Germany. Jan. 16, 1933, No. 1373. Convention date, Jan. 21, 1932. [Class 106 (ii).] Apparatus for examining the diameter of a bore comprises a telescope having an illuminated mark in its image plane and a reflector holder consisting of two parts which are elastic so as to be inclined relatively to each other, each part carrying a plane reflector. An autocollimation telescope 14, the bore 1 to be examined, and a scale 3 are given a known position in which the axes of the telescope and bore and the edge of the scale approximately coincide. The reflector carrier placed in the bore comprises parts 5, 6 elastically connected by a piece 4, the part 5 having supporting feet 7 while the part 6 has a supporting foot 8. A spring 13 presses the parts out against the bore and a rod 10 extends so that the position of the holder longitudinally of the bore may be read on the scale 3. The part 7 has a polished surface 9 square to the line of the feet 7 and the part 6 a polished surface 12 inclined to the surface 9 at an angle slightly less than 180‹. The telescope contains an objective 15 and an occular 16 in the common focal plane of which is a field of view diaphragm 17. Light from a source 23 is reflected by a prism 20 the light exit surface 21 of the prism being in the plane of the diaphragm and being provided with a scale and index. The light from the illuminated scale and index after passing through the objective 15 emerges as parallel rays which are reflected from the surfaces 9, 12 back through the objective on to the diaphragm on which is projected two images displaced from one another the more, the less the angle between the surfaces 9, 12. The arrangement is such that with a normal bore the images 251, 2411 lie outside the field of view and the image 25<11> appears in the middle of the scale image 241. As the holder moves along the bore deviations are noted by relative movement of images 25<11>, 241. A group of concentric circles may be provided instead of the scale and index and the number of rings which cover each other in the image provide a measure of the diameter of the bore.
Patent GB-509131-A (GB)
Title: Method of forming crusher rolls for cane-crushing apparatus
IPC: C13B10/06
Filed: 1939-01-16
Abstract: 509,131. Sugar-cane mills; making rollers. MIRRLEES WATSON CO., Ltd., and HEGENBARTH, F. Jan. 16, 1939, No. 1402. [Clacs 59] [Also in Group XXII] A method of making top rolls for cane - crushing apparatus consists in casting a cylindrical blank with circumferential grooves 19, Figs. 5 and 7, and projections 26 in the grooves, and with a finish allowance 32 on the outer portions of the circumferential ribs produced between the circumferential grooves and truing the roll with respect to said finish allowance, and finally cutting sharp tooth edges from said finish allowance. Auxiliary hook grooves 25 may be formed in the ribs during the casting operation. Bottom rolls for coacting with top rolls made by the above method are formed by casting a cylindrical blank with inclined lateral grooves and cutting spaced circumferential grooves 17, Fig. 9, so that hook grooves 22 remain in the ribs 16 between the grooves 17.
Patent GB-400917-A (GB)
Title: Improvements in or relating to apparatus for mixing solids with liquids
IPC: C02F1/68
Filed: 1932-01-19
Abstract: 400,917. Mixing solids with liquids in flow. BELL BROS. (MANCHESTER 1927), Ltd. and BENSON, C. G., Calder Iron Works, Denton, near Manchester. Jan. 19, 1932, No. 1547. [Class 86.] Apparatus for mixing solids with liquids in flow in proportionate quantities comprises a container in which the solid is converted into a paste which is fed from the container to an auxiliary stream by the influx of liquid derived from the main stream by means of a pump driven thereby. The apparatus described is for adding chalk to a stream of water. The container 2, fitted with a stirrer 8, is supplied with chalk through an opening 5, and with water from a supply pipe 10. After the container has been filled and the chalk converted into paste, the paste is expelled through a pipe 4 which leads to a pipe 21 through which an auxiliary stream flows from a venturi 14 in the main stream pipe 12. The main stream drives a motor 13 which, in turn, drives a variable stroke pump 15 supplying water through the pipe 16a from the main to the top of the container to expel the paste. The water is drained from the container by a pipe 29 also connected with the pipe 4 for draining the lower part of the container. Valves 20, 27, 30, 25 are fitted in the pipes as shown.
Patent GB-551778-A (GB)
Title: Improvements in signs
IPC: G09F13/00
Filed: 1942-02-06
Abstract: 551,778. Warning signs. EMMERSON, T. H. R. Feb. 6, 1942, No. 1562. [Class 3 (ii)] An internally illuminated portable sign for giving warning of air-raid conditions, road impediments, and other temporary matters is provided with a handle which is that of a hurricane or like lamp over which the sign casing is diposed and through a a slot S in the top of which the handle projects. The casing may have a weighted base W or legs. The' display matter is in the form of stencils which may be covered with transparent coloured or plain material, and the stencils may be outlined in white &c. paint. Shields may be pivoted to opposite corners to cover any desired face and reveal other faces. The stencils may be removable, and storage means therefor may be provided within the casing. The casing may have hinged sides, bottom or top, so as to be collapsible, or the parts may be buttoned together, and the casing may be built up of two or more portions. A reflector may be provided within the casing. Hooks may be fitted on the inside of the casing to engage the hurricane &c. lamp.
Patent GB-299646-A (GB)
Title: Method of and apparatus for manufacturing screws
IPC: B23G1/06
Filed: 1928-01-17
Abstract: 299,646. Aktiebolaget Priorverken. Jan, 17. 1928. Addition to 281,273. Screwing dies and die-heads.-In a die-head for producing pointed cylindrical screws according to the method claimed in the parent Specification the dies are given an arcuate movement by means of a pin and slot connection. In one form the dies 6. Fig. 2, or their holders are guided by pins 7 or rests 8. and are moved during screwing by eccentrics 9 operated by levers 9<b>. In a modified form the dies are guided by pins 7 or rests 8, and their outer ends are pivotally mounted on crank pins which are swung during screwing by levers. In another form the dies 6<1>, Fig. 3, are oscillated by links 10 and levers 10<a> and are guided by cam tracks 11 or by similar arcuate tracks.. In a further form two or more opposed dies 6<111>, Fig. 5, are guided by pins and slots 15, and are move by levers &c. (not shown) along camshaped guides 14. In a still further form the dies 17. Fig. 10, are mounted in holders 16 having cylindrical projections 18 carried in eccentric bushes 19 on a frame or support 20. The parts 18, 19 are provided with levers 21, 28 respectively, which are oscillated by links 22, 24 and cam tracks, cones, eccentrics, screws or other means or by directly acting racks &c., the arrangement being such that the axes of the parts 18 and the cutting edges of the dies are on opposite sides of the blanks. When a pair of opposed dies are used. these may overlap at the point of the blank. The dies may be provided with a number of cutting edges, relatively superposed and displaced according to the pitch of the thread being cut, and the axes of rotation of the dies may be on or near the axis of the blank to enable two or more dies to be guided by a common rest.
Patent GB-933610-A (GB)
Title: Improvements in fluid pressure actuated pumps
Inventor: COBERLY CLARENCE J
IPC: F04B47/08
Filed: 1960-01-18
Abstract: 933,610. Reciprocating well pumps. KOBE Inc. Jan. 18, 1960, No. 1727/60. Class 102(1). In a well pump of the type comprising a piston having a pumping area 68 and a fluid pressure actuated motor area 70, the ratio of the pump area to motor area is at least 3: 1. The actuating fluid pressure may be 20,000 to 25,000 1bs./sq. inch.
Patent GB-1381811-A (GB)
Title: Installation for cleaning workpieces
IPC: B24C3/06
Filed: 1972-01-13
Abstract: 1381811 Blasting BADISCHE MASCHINENFABRIK GmbH 13 Jan 1972 [26 Feb 1971] 1756/72 Heading B3D A blasting installation comprises a mobile cleaning cabin 8 operable at either or any of at least two workpiece supporting stations 6, 7, the cabin 8 being rotatably supported through a pivotable connection 3 on a frame 1 movable, e.g., on wheels 2. Blasting wheels 15 are supplied with abrasive through conduits 11, 12, 14 and an elevator 10 attached to the frame 1, a hopper 30 of the elevator 10 being fed from a conveying worm 27 through one of a pair of take-off points 28, 29, respectively, corresponding to two working positions of the cabin 8. Used abrasive is returned by a conveyer 21 and elevator 24 to a cleaning device 25, prior to discharge to the worm 27. In operation, the cabin is oscillated about the workpiece 16 by a motor 18, cam means on the cabin 8 co-operating with control means to govern the angular extent and dwell time of the oscillations. Suction is preferably applied through a pipe 32 below a pervious floor of each station 6, 7 during blasting, used abrasive being drawn into the conveyer 21, and brushes 31 around the periphery of the cabin 8 seal around thepervious floor at the respective station 6, 7 in use. In alternative arrangements (not shown), more than two working stations may be spaced rectilinearly or in a circle.
Patent GB-991294-A (GB)
Title: Improvements relating to resilient electric switchgear contacts
Inventor: YOUNG AUSTIN FREDERICK BRABANT
IPC: H01H1/42
Filed: 1962-01-17
Abstract: 991,294. Contact members for switches. A. REYROLLE & CO. Ltd. Jan. 17, 1962, No. 1801/62. Heading H2B. A switch contact member comprises a contact arm 22 integral with and extending at rightangles from one end of a torsion rod 23 which is guided at said end against lateral displacement and anchored at its other end against axial rotation. Each contact member 15 comprises a hard-drawn copper or iron cored copper rod folded double with an eye 20 formed at the fold, the double rod then being bent at 21 to L-shape. Two such contacts are anchored to a T-shaped support 12 by a bolt 24 passing through their eyes 20, and are guided adjacent the bend 21 by triangular plates 27 suitably spaced from the support. The outer ends of contact arms 22 are kinked to provide contact surfaces 32 for engagement with a co-operating blade contact (19, Figs. 2, 3, not shown). The torsion-rod 23 may be prestressed to increase contact pressure. In a modification (not shown) the arms 22 may be arranged to permit movement towards one another, against the action of the torsion rod, for engagement with rigid or resilient jaws of a co-operating contact. The contact member may be employed as either fixed or moving contact and in the latter case may co-operate either with a fixed or with a moving contact.
Patent GB-992845-A (GB)
Title: Improvements in or relating to electrophoretic analysis
IPC: G05D23/24
Filed: 1962-01-18
Abstract: <PICT:0992845/C6-C7/1> In a process for separating proteins and similar mixtures electrophoretically, in which an electric field is applied across an absorbent charged with an electrolyte and having a spot of the mixture at the centre, the temperature of the absorbent medium is maintained constant by blowing air through a volatile liquid surrounding the absorbent, and evaporating it to cool the absorbent, the flow of air being controlled by the resistance of the absorbed liquids, through an electric circuit including a gas pump. A suitable apparatus consists of closed cells 7, 8 containing electrolyte and electrodes 9, 10 communicating through channels with adjacent compartments 11, 12 containing agar gel, the inside short walls 5, 6 of which are bridged by the layer of agar absorbent 15 having a central protein deposit under test, covered by a glass plate 14.  The space above and below the layer 15 is filled with petroleum ether.  Electrolyte in the end cells is absorbed by the agar gel and passes into the edge of the layer 15 establishing electrical connection between the end electrode cells.  Direct current is fed to the electrodes from a source maintained constant by a control element to e.g. 30 mA. The heat generated in the absorbent layer 15 is carried off by petroleum ether 16, into which air is injected as a fine stream through a pipe 17.  The air pump is operated by an electric motor controlled by a voltage comparator, by which the absorbent, which has a negative temperature coefficient, is maintained at constant resistance and thus at constant temperature. The evaporated petroleum ether is condensed and recycled.
Patent GB-450472-A (GB)
Title: Improvements in automatic station selectors for radio receivers
IPC: H03J3/12
Filed: 1935-01-19
Abstract: 450,472. Electromagnets. BOWMAN, W. J., 124, King Street, Kitchener, Ontario, Canada. Jan. 19, 1935, No. 1842. Convention date, April 20, 1934. [Class 35] [See also Group XL] The tuning condenser of a wireless receiver is driven by a solenoid comprising a core 22 co-operating with a plunger 23 working in fluid and incorporating a valve 24 which facilitates a dash-pot action when the plunger is attracted and a rapid upstroke when the solenoid is de-energized. The magnetic circuit is formed so that the force exerted is a linear function of the distance between the plunger and the core 22.
Patent GB-893161-A (GB)
Title: Improvements in or relating to dies for extruding thermo-plastic and like material
IPC: B29C48/09
Filed: 1957-01-18
Abstract: 893,161. Extrusion dies. GARBUTT, J. W. April 17, 1958 [Jan. 18, 1957], No. 1863/57. Class 87(2). An extrusion die comprises a body 1 and a mandrel 6 having a frusto-conical portion and an end piece 9, located in the orifice and being pivotally mounted by a central bolt to be adjustable within the die body to extrude a uniform thickness tube. The mandrel 6 has a bemi-spherical seating 7 for the end piece 9 secured in position by a ball-headed bolt 10 and nut 12. A second embodiment, Fig. 2 (not shown), utilizes an end piece integral with the frusto-conical portion secured in a bemispherical seating in the mandrel by means of a bolt with a bemi-spherical washer located in a bore in the end piece. The mandrels may have passages for air and heating elements.
Patent GB-1005472-A (GB)
Title: Process for the preparation of hydroxy-alkenoic acids
IPC: C07C51/353
Filed: 1964-01-15
Abstract: Trans-o -hydroxy-2-alkenoic acids of formula HO(CH2)nCH = CH.COOH, in which n is an integer higher than 4, comprises oxidizing an o -halo-alkanol Hal(CH2)nCH2OH (Hal represents chlorine, bromine or iodine) to an o -halo-alkanal Hal(CH2)nCHO, condensing with malonic acid or an acid alkyl malonate, to produce an acid Hal(CH2)nCH=CH-COOH or an alkyl ester thereof, hydrolysing and separating the o -hydroxy-2-alkenoic acid.  The oxidation may be carried out using manganese dioxide or by adding an aqueous alkali metal dichromate solution to a mixture of dilute sulphuric acid and steam-distilling the o -haloaldehyde. The condensation may be carried out in an organic diluent such as pyridine, and the hydrolysis may be by using an aqueous solution of an alkali metal hydroxide or carbonate.  Examples describe the preparation of trans-8-hydroxy-2-octenoic acid through 6-chlorohexanal, and 8-chloro - 2 - octenoic acid and 6 - bromohexanal and ethyl 8-bromo-2-octenoate; 9-hydroxy-2-nonenoic acid through 7-chloro-heptanol and 9-chloro-2-nonenoic acid; 10-hydroxy-2-decenoic acid through 8-chloro-octenal and 10-chloro-2-decenoic acid; and 11-hydroxy-2-undecenoic acid through 9-chlorononal and 11 - chloro - 2 - undecenoic acid. Specification 867,771 is referred to.