baber/WOPTO huggingface dataset:
Patent GB-1423826-A (GB)
Title: Treatment of elongated metal articles
IPC: C23C22/78
Filed: 1972-03-24
Abstract: 1423826 Treating elongated metal articles; drawing; blasting ABRASIVE DEVELOPMENTS Ltd 6 June 1973 [24 March 1972] 13900/72 Headings B3A B3D and B3P A method of treating elongated metal articles, e.g. metal rod, wire, bar, strip, sections, profiles and extrusions, comprises passing the article through a first treatment zone in which an abrasive entrained in fluid impinges on the article by continuously evacuating the fluid from the zone, and then immediately passing the article through a second zone in which it is treated to provide it with a conversion coating. The conversion coating is formed by the transformation of the outer atomic layers of the metal surface into a chemical compound having properties different from those of the original metal surface, by means of a reaction induced with an artificial environment in the second zone and wherein the metal itself forms one constituent of the compound with the other constituent(s) being supplied from the environment. In the manufacture of bolts or nuts, wire is cleaned with wet or dry abrasive in a chamber in the first zone. The preferred chamber is tubular and is provided with nozzles arranged in one or two helices in the chamber wall. Primary air is drawn through the nozzles and abrasive is entrained in this air. A restricted amount of secondary air enters between the wire and guides at either end of the chamber, while come tertiary air is mixed with the primary air and abrasive just before the mixture enters the chamber. The wire then enters a chamber in the second zone containing a heated phosphate solution which is sprayed on the wire by a number of nozzles. The solution may be atomized and accelerated by compressed air, if desired. The wire next passes through a heated tunnel to dry the solution and then it is coated with drawing lubricant, which is helped to adhere to the wire surface by the phosphate coating. The wire is drawn to its final diameter and it is then subjected to cold forming to make nuts or bolts in conventional manner. The conversion coating may also be formed by passing the elongated metal article through a tank or bath containing the coating-forming material.
Patent GB-1044025-A (GB)
Title: Process for the production of fluotitanic acid and of fluotitanates
IPC: C22B34/12
Filed: 1963-04-08
Abstract: Fluotitanates of the formula X2TiF6, where X is H, NH4, or Na, are prepared by reacting ilmenite, from which a major part but not all of the iron has been leached, with aqueous HF or with ammonium or sodium fluoride or bifluoride in the presence of a strong mineral acid. The fluotitanic acid or ammonium fluotitanate obtained may be reacted with sodium or potassium chloride or hydrogen fluoride to obtain sodium or potassium fluotitanate.  Coprecipitated iron compounds may be removed with HCl.
Patent GB-217246-A (GB)
IPC: G03F7/04
Filed: 1924-06-10
Abstract: 217,246. Deutsche Rench Rapid Klischee Anstalten Ges. June 8, 1923, [Convention date]. Photo - mechanical printing - surfaces; bichromated colloid processes. - In the preparation of celluloid printing surfaces by the bichromate printing process the surface of the celluloid is first softened, or rendered spongy by a solvent of celluloid, such as glacial acetic acid, acetone, or amylacatate, and then coated with an aqueous gelatine solution which also contains a solvent of celluloid, and glycerine. The gelatin combines with the celluloid in an intimate manner and quickly sets. The plate is then sensitized with bichromate, and after exposure is treated first with a solvent for the non-exposed gelatin, such as warm water, and then with a solvent for celluloid.
Patent GB-296115-A (GB)
Title: Improvements in or relating to the coaling of ships and the like
IPC: B65G15/16
Filed: 1927-05-25
Abstract: 296,115. James, C. F., and Richards, S., W. May 25, 1927. Directing and adjustably supporting portable endless-belt conveyers with platform carriers; casings; guiding endless belts; driving-gear; carriers, attaching to belts; guards and shields to prevent falling off and spilling; auxiliary belts.-For discharging coal or other material into a vessel or other receptacle with minimum breakage, an endless band conveyer 25 with projecting plates 25a, is mounted. on a quayside structure 2, 3, the main conveyer section 8 being adjustable about a horizontal pivot 7 at its lower end, and the forward section 18 working in a closed shoot pivoted at 17 at the upper end of the main section, so that the forward section can be lowered to the depth at which delivery is desired. Material may be fed to the man conveyer by a hopper 55 or by an elevator raising the material from a sunken bunker. The apparatus is movable on rails 5 by means of a motor 6 and rack and pinion. gear controlled from the cabin 15. The conveyers are adjusted about their pivots by winch drums 14, 24 in the cabin 15 hauling on ropes 11, 21 connected to the conveyer sections by shackles 10, 20. The conveyer band 25 passes over guide rollers 29 - - 33 at the junction of the sections. Transverse plates 25a, and bars 34, Fig. 9, are secured to the band by bolts 25<b>. The bars 34 are provided with a screwed spindle at each end passing through the driving chains. Each chain comprises alternate single links 44<e>, Fig. 6, and double links 40, 41. The transverse bars 34 are connected to the double links and support rollers 42 which run on guides 43, Fig. 3. In each section of the conveyer, the travelling band forms the bottom of a trough with inclined sides as.at 8d, Fig. 3. In the forward section, the coal is held on the band by an auxiliary belt 44 driven by gearing 51, 52 from the main belt. The belt 44 is held against the transverse plates 25<a> by rollers 53 carried on spring supports 54. The belt 44 may be provided with ridges, bars, or push-plates.
Patent GB-1457634-A (GB)
Title: Converging-diverging supersonic nozzles
IPC: F01D9/02
Filed: 1974-03-29
Abstract: 1457634 Turbines J S SOHRE 29 March 1974 [21 May 1973] 14088/74 Heading F1T An assembly for supersonic expansion of a working fluid flowing to, or through, a turbine comprises a plurality of individual guide-members defining therebetween converging flow passages opening into a diverging expansion chamber common to at least two of the passages. In one arrangement, Fig, 2, 6, the assembly is formed by fixed nozzle vanes 20 defining converging passages 21 opening into a common diverging chamber 26 adjacent turbine rotor blades 24. The vanes 20 may extend to a limited degree into chamber 26 and some of them may be extended by partitions 36 to improve performance at offdesign conditions. In a further arrangement, Fig. 13, the converging flow passages are defined between turbine rotor blades 54 which open into a common expansion passage 70 defined between the rotor rim and a surrounding fixed or rotating shroud 72. A stator stage 80 is disposed between rotor stages 78, 82, all of the stages having a flow assembly as described. The invention enables standard nozzle blocks to be manufactured for co-operation with different sized expansion chambers for various expansion ratios. The invention is also applicable to radial flow turbines. The working fluid may be gas or steam.
Patent GB-1416513-A (GB)
Title: Watch strap
IPC: A44C5/00
Filed: 1974-03-29
Abstract: 1416513 Watch strap LEWA LEDERWARENFABRIK GmbH 29 March 1974 [29 March 1973] 14123/74 Heading A3H In a two part watch strap, each part consists of a thin steel strip 3 with a glued-in synthetic plastics lining 4 with knurling 5 a transverse eye 10 being formed by bending the end 12 of the steel strip 3 and leaving a gap between the end 12 and the lining 4. A transverse eye 7 is formed in the terminal portion 6 of the lining 4 and the metal strip 3 folds around the terminal portions. A clasp connects the two parts of the strap.
Patent GB-250783-A (GB)
Title: Improvements in and relating to the illumination of road signs
IPC: G09F13/02
Filed: 1925-05-29
Abstract: 250,783. Cooke, S., and Automobile Association, Ltd. May 29, 1925. Light reflected by trough-shaped reflectors.-A means for illuminating road sign posts comprises a trough-shaped shield and reflector 1, Fig. 1. provided with holders 11 for one or more lamps 12, the reflector having outwardly flared sides 2 and ends 3 and being adapted to be mounted upon a sign post arm 16, Fig. 3, so as to illumin. ate the opposite faces of that arm and the near faces of the adjacent arms 17, 18.
Patent GB-1208860-A (GB)
Title: Improvements in or relating to forming machines
Inventor: GEORG OTTO
IPC: B21J7/24
Filed: 1967-12-06
Abstract: 1,208,860. Screw presses; hydraulic presses. O. GEORG. 6 Dec., 1967, No. 14208/70. Divided out of 1,205,415. Heading B5F. [Also in Division B3] A forming machine is selectably operable as a hammer or press by varying the inertia of two reciprocally movable impact members by at least one inertia mass. In one embodiment, Fig. 1, a frame slide 2 and a plunger slide 3 are moved towards each other by a threaded spindle 4 rotated by a selectable speed reversible motor 9. The plunger slide 3 has a lower weight than the frame slide 2 but the thread pitches of the spindle 4 engaging the threads of slide carrying nuts 7 and 8 differ from one another so that the slides 2, 3 may operate with equal work capacity upon the workpiece. The machine is operated as a press by a low spindle rotation speed and connecting an annular mass 10 to a hub of the spindle 4 by an electromagnetically controlled disc clutch 12. When the clutch 12 is disengaged and a higher motor speed is selected the machine functions as a hammer. In another embodiment, Fig. 2, pistons 28, 30 and 29, 31, attached at each side to slides 17, 18, are held in their initial positions in cylinders 26, 27 against the action of pressure medium in cylinders 23, 24 in which are disposed pistons attached to the slides 17, 18. When the pressure is removed from the cylinders 26, 27, the slides 17, 18 move towards each other, threaded spindles 15, 16 connected to the slides rotating as they do so. After the working stroke, the slides 17, 18 are returned to the initial position by the pistons 28, 30 and 29, 31. The inertia of the slides 17, 18 is varied by connecting annular masses 32, 33 to the spindles 15, 16 by fiuidoperated, overload slip clutches.
Patent GB-397622-A (GB)
Title: Improvements in broaching machines with hydraulic control
IPC: B23Q5/06
Filed: 1932-05-19
Abstract: 397,622. Broaching. FORST, O., 181, Schutzenstrasse, Solingen, Germany. May 19, 1932, No. 14297. Convention date, April 29. [Class 83 (iii).] An hydraulically controlled broaching- machine adapted for automatic insertion of the broaching tool into its holder is characterized in that the insertion of the broach in the holder and the starting of the working operation are effected successively by a hand-operated lever. The broaching tool 34, temporarily held in the piston-operated device 38, has the work-piece 48 placed over its upper end which is adapted to fit in the holder 27 of the broaching machine. The working stroke of the machine is effected by upward movement of the hydraulic piston 2 supplied with fluid pressure from a pump 28 and controlled by piston valves 29 ; the latter are moved into the open and closed positions by a secondary piston 31 which is supplied with pressure through a rotary valve 33 from a pump 44. The tool-inserting device 38 and the broaching operations are effected in sequence through movement of the lever 14 and piston valve 39 thus - movement of lever from a to b opens conduit 47 to pressure from pump 44 and conduit 51 to exhaust, this gives upward movement of device 38 until broach is forced into the holder 27 ; circular valve 33 is also turned by contact of rod 42 and lever 43 until fluid passages 49 and 50 are connected ; handle 41 is next moved back to a and device 38 falls to original position leaving the broach in its holder 27, at the same time conduit 49 is supplied with pressure fluid from pump 44 and this passes through 50 to control valve 31 opening the valve 29 so that fluid passes from 28 to the underside of piston 2 to effect the working stroke. A stop rod 53 rigidly connected to the cross-head 26 throws over the lever 55 at the end of the working stroke and thus closes the valve 29 with consequent gravity return of piston 2 and broach. Specification 371,008 is referred to.
Patent GB-1524446-A (GB)
Title: Air-fuel ratio sensing device for internal combustion engine
IPC: G05D23/02
Filed: 1976-04-08
Abstract: 1524446 Exhaust gas sensor NISSAN MOTOR CO Ltd 8 April 1976 [8 April 1975] 14297/76 Heading G1N A sensor for measuring the air/fuel ratio in exhaust gases comprises a sensor 10 mounted in a housing 16, the housing being mounted in an exhaust pipe and having a plurality of circumferentially spaced openings 22, the degree of opening of which depends on the exhaust gas temperature. As shown, the sensor is a solid electrolyte oxygen sensor and the degree of opening of openings 22 is varied by bi-metallic flaps 24 which close the opening at a value above 800-900C. The bi-metallic flaps 24 may be integrally formed with the housing. The housing increases sensor life by reducing the degree of exposure to very hot exhaust gases.
Patent GB-126228-A (GB)
Title: Improvements in Electric Lockout Switches.
IPC: H01H71/24
Filed: 1918-09-05
Abstract: 126,228. Igranic Electric Co., (Cutler- Hammer Manufacturing Co.). Sept. 5, 1918. Electro-magnetic switches.-In lock-out switches of the kind in which the contact-carrying armature is subjected to opposing holding-out and closing magnetic forces, the action of the switch depending upon a difference in the reluctance of the two magnetic circuits, the movement of the armature towards the closed position establishes a third magnetic circuit which operates to secure the firm closure of the switch and to maintain it closed. In the form shown in Fig. 1, a high excitation of the series winding 2 produces a main closing flux through the core 3, stem 15, reduced portion 13, pivot 14, armature 10, closing-gap 12, and polepiece 12'. It produces also a shunt holding-out flux from the core 3, stem 15, back through the pole-disk 18, across the holding-out gap to the magnetic frame 8, pivot 9, armature 10, closing- gap 12, and pole-piece 12<1>. The holding-out force predominates owing to the reduced section at 13 of the closing magnetic circuit of the closing flux, the reduced part being enveloped by a conducting- collar 17 to damp down any sudden increase in flux. When the current is reduced sufficiently, as the holding-out flux falls off more rapidly than the closing flux, the armature 10 moves towards the pole-piece 12<1>, raising the core 3 against the action of gravity and brining a conical portion 20 thereof toward a correspondingly-shaped pole-piece 21 of the framework, and providing a third magnetic circuit from the pole 20 to the pole-piece 21 across the gap 12, tending to close the switch and wipe the contact home. The invention is described also applied to lock-out switches with plungerless pivoted armatures and to lock-out switches with a closing coil and a holding-out coil such as described in Specification 22435/14.
Patent GB-418962-A (GB)
Title: A new and improved connecting-piece for the struts or braces of iron frameworks for mines
IPC: E21D11/24
Filed: 1934-05-15
Abstract: 418,962. Mine supports. HUSMANN, P., 90, Roermonderstrasse, and NEUHAUS, E., 161, Kaiserallee, both in Aachen, Germany. May 15, 1934, No. 14654. Convention date, May 16, 1933. [Class 20 (ii).] Struts or braces in mines are provided with bearing caps formed of H-section metal, two half flanges a of which are spread apart to receive a timber bearer c, while the edges e of the other two half flanges d are bent around as shown so as to enclose the flanges of the strut or brace. The angle between the web b and flanges a is such that the wooden bearer does not touch the web, and the flanges d are thus bent inwardly to grip the strut section.
Patent GB-568239-A (GB)
Title: Improvements in or relating to indicating systems
IPC: G01P5/17
Filed: 1943-09-08
Abstract: 568,239. Measuring fluid-flow. PITOMETER LOG CORPORATION. Sept. 8, 1943, No. 14703. Convention date, April 5. [Class 40 (i)] [Also in Group XXVI] In a system for measuring fluid-flow, a force produced with the aid of pitot or venturi tube apparatus and a diaphragm 26 is opposed by a force developed by centrifugal action by rotating a mass of liquid in a bellows-like chamber 40 by an electric motor 34 the speed of which is automatically adjusted to keep these forces equal by an auxiliary servo-motor 78. As shown, the main motor also drives a counter 98 and a tachometer generator 92 connected to a meter 94 to show the distance and speed travelled by a ship. Chamber 40 is in communication with the atmosphere via a passage 48. In modifications, the chamber is closed by a flexible diaphragm or by a rubber tube covering perforations in a tubular member within the chamber communicating with the atmosphere.
Patent GB-766320-A (GB)
Title: Improvements in or relating to moulds for manufacturing articles of foam rubber
Filed: 1955-01-04
Abstract: 766,320. Moulding foam rubber. TOO, J. T. Jan. 4, 1955, No. 14753/56. Divided out of 766,319. Class 87(2). [Also in Group XIV] A mould for use in manufacturing shaped articles of foam rubber comprises one or more mould cones 22 supported by packing means, e.g. strips 25, upon the base 12 of a mould box, and a cover 17 adapted to rest on the peripheral wall 13 of the box, whereby an article manufactured in the mould has a substantially flat upper surface formed by the cover and a substantially flat lower surface including cavities formed by the core members. In the construction illustrated the moulding cavity is reduced to the required dimensions of a mattress to be moulded by L-sectioned walls 19, 20, the wall 20 resting at one end on the horizontal part of the wall 19, and at the other end on packing 21. The mould cores 22 each comprise a base member 23 carrying a number of equispaced core members 24 of square, circular, or other section, and which may be provided with end cavities 29 or ribs or grooves. Spacer strips 26 are located along the four edges of the moulding cavity adjacent the walls 13, 19, 20. If desired a block shaped as the block 27 or 28 or otherwise, may be inserted in each corner of the moulding cavity so that the mattress moulded therein has curved, chamfered, or otherwise shaped corners. The mould bore may be of aluminium reinforced with steel strips. The mould cores 22 and the other interior members may be of aluminium or of hardwood, e.g. teak, marubau, or chengkai, which may be faced with aluminium. The mould box and the L-sectioned walls may be inclined so that articles having inclined sides may be moulded. In one method of using the mould latex foam prepared as described in Specification 766,319 is introduced into the mould so that the core members are just covered. The latex is then gelled to produce a slight shrinkage of the frothed latex, when the remainder of the cavity is filled after the mould and its contents have been cooled to room temperature. Gelling is again effected with a slight expansion of the latex. The cover is then placed on the mould box and vulcanization effect using moist steam. Water evolved during the gelling may collect in the spaces between the packing strips, and the mould box is deliberately arranged not to be water tight so that excess water may escape during the moulding operation.
Patent GB-769655-A (GB)
Title: A liquid-measuring meter and air separator
Inventor: GRISE ALFRED LEON
IPC: B01D19/00
Filed: 1955-05-23
Abstract: A filter, for removing gases from liquids flowing into a liquid measuring meter, comprises a casing containing a pervious annular coalescing roll with inlet for liquid between the peripheral wall and the roll and outlets for gas in the top wall and for gas-free liquid in the bottom wall said outlets being within the space inside said annular rolls.  The roll is maintained in position by a flat annular seat on the top wall and an annular wall engaging an annular shoulder on the side wall means being provided for fastening said annular wall to said shoulder.  The lower face of the annular wall may slope inwardly and upwardly to prevent trapping of air bubbles between it and the bottom wall.  A foraminous cylinder may encompass the roll to ensure even distribution of liquid from the inlet.  Specification 720,797 [Group XXVIII] is referred to.
Patent GB-514901-A (GB)
Title: Improvement in frames for spectacles or eyeglasses or other optical frames
IPC: G02C11/02
Filed: 1938-05-18
Abstract: 514,901. Spectacles. CUNDY, J. A. May 18, 1938, No: 14799. Drawings to Specification. [Class 97 (i)] A spectacle frame is provided with a coloured core or lamination disposed at about the centre of the cross-section of the frame and permanently, sealed within it. The coloured core may be a filament of twisted wool or wire as described in Specification 466,034; or it may, consist of any suitable translucent or opaque material. It may be formed by applying enamel to a cavity provided within the frame. The front of the frame may be so shaped as to magnify the coloured core.
Patent GB-490965-A (GB)
Title: Manufacture of azo-dyestuffs
IPC: C09B33/10
Filed: 1937-05-28
Abstract: Mordant dyeing disazo dyes are made by coupling J acid first in a weak acid medium and then in an alkaline medium with two molecular proportions of diazotized o-aminophenols or o-aminonaphthols at least one of them having a hydroxy group and a carboxy group in o-position to one another.  They may be used for chrome printing and are of particular value in the form of their complex metal compounds, being suitable for dyeing and mordant printing on cotton, silk, and regenerated cellulose, e.g. by the processes described in Specifications 26460/12, 318,469, [both in Class 2 (iii)], 319,457, [Class 15 (ii)], and 435,701.  The metal compounds may be obtained according to the process described in Specification 26460/12.  Di-and trivalent metal compounds, e.g. iron compounds may be used and more than one metal may be introduced into the dyestuff.  In examples, the dyestuffs 2 - amino - 1 - hydroxybenzene - 6 - carboxylic acid --> (acid) J acid \sM (alkaline) 1-amino-2-oxy-3-nitrobenzene-5-sulphonic acid; 2-amino-4-sulpho - 1 -hydroxybenzene-6-carboxylic acid --> (acid) J acid \sM (alkaline) picramic acid or 2 - amino - 4 - sulpho - 1 - hydroxybenzene-6-carboxylic acid or 1-amino-2-oxy-3-nitrobenzene-5-sulphonic acid are boiled with an agent yielding chromium, e.g. chromium acetate or sulphate.  The products yield greyish shades when printed on cotton. Specifications 8575/03, 1581/04, [both in Class 2], 29567/13, [Class 2 (iii)], 351,400, and 357,543 also are referred to.  The Specification as open to inspection under Sect. 91 states that of the two diazo compounds which are coupled as above with J acid at least one must be derived from an o-aminiphenol or o-aminonaphthol and at least one must contain the usual mordant groups such as the salicylic group.  In examples and a table, dyes from the following additional components are specified: (acid coupling) p-aminosalicylic acid, p-amino-o-sulphosalicylic acid, 1 - amino - 2 - oxy - 3 - nitrobenzene - 5-sulphonic acid, 3 - amino - 4 - sulphobenzene azosalicylic acid, o - amino - p - chlorsalicylic acid, 1 - hydroxy - 2 - amino - 6 - nitrobenzene-4 - sulphonic acid, 1 - hydroxy - 2 - amino - 4-chlorobenzene-6-sulphonic acid; (alkaline coupling) 1 - amino - 2 - oxy - 3- or 4-nitro - 5-chlorobenzene, p-aminosalicylic acid, 1-oxy-2-amino - 4 - chlorbenzene - 6 - sulphonic acid, 1 - hydroxy - 2 - amino - 6 - methyl - 4 - nitrobenzene, 5 - nitro - 2 - aminophenol, 1 - hydroxy - 2 - amino - 4 - methyl - 6 - nitrobenzene, 1 - hydroxy - 2 - amino - 4 - nitrobenzene-6 - sulphonic acid. Chromium lactate and copper sulphate are also specified as agents yielding metal.  Some of the chromium compounds may be boiled with caustic soda to give more soluble products.  This subject-matter does not appear in the Specification as accepted.