baber/WOPTO huggingface dataset:
Patent GB-487895-A (GB)
Title: Improvements in or relating to tractor trailer couplings
IPC: B62D53/06
Filed: 1937-01-25
Abstract: 487,895. Road - vehicle draw gear. MACHRAY, G., DAVEY, J., and MULTIWHEELERS (COMMERCIAL VEHICLES), Ltd. Jan. 25, 1937, No. 2138. [Class 103 (v)] In a tractor-trailer draught connection of the kind in which a portion of the load of the trailer is transferable hydraulically to the rear wheels of the tractor, the transfer is effected either during a tractive or a reverse effort and is varied according to such effort. In the arrangement shown, the draw-bar is formed of two telescopic sections 7, 8, relative movement between which may effect a transfer of fluid from a primary to a secondary cylinder 14, the piston rod 16 of which tends to raise the front end of the trailer 3 and thus loads the draw-bar 6 and rear axle of the tractor. The part 8 of the draw-bar forms an oil or like fluid reservoir, and slides over the part 7, which is pivoted at 5 to a fore-carriage 2 having a turntable 4 for supporting the front end of the trailer 3. At its forward end the part 7 is formed as the primary cylinder 71 in which operate a piston and hollow piston rod 9, a further tubular rod 22 being located in the rod 9 and leading to the rear of the piston 24. The hollow rods 9, 22 are respectively connected by pipes 27, 26 with a valve box 30, having a slidable two-way valve 34, and from which another pipe 31 leads to the secondary cylinder 14 and further pipes 32, 33 lead back to the reservoir 8. The piston rod 9 and cylinder 71 are laterally apertured at 25 and 36, the latter apertures being covered and uncovered by the-piston 24 in its movements. If the valve 34 is in the position shown then, on a tractive effort being exerted, the draw-bar 6, reservoir 8, piston rod 9 and piston 24 move forward relatively to the cylinder 71 and fluid is forced from the latter via the elements 27, 29, 34, 31 to the cylinder 14, thus loading the rear axle of the tractor. A reverse effort merely causes oil to be discharged from the cylinder 7<1> back to the reservoir via pipe 33. If the valve 34 is moved to its alternative position, i.e. connecting the pipes 28, 31, then on a reverse effort fluid is supplied to the cylinder 14 but on a tractive effort fluid is merely discharged into the reservoir 8 via pipe 31. The position of the valve 34 is controlled by a handle 37, which thus enables the tractor driver at will to effect a transfer of load during a tractive or a reverse effort. The upper end of the piston rod 16 is connected to the carriage 2 through the intermediary of a pivoted link 19. In a modification the primary piston and pistons are arranged to be substantially stationary relatively to the carriage 2, while the primary cylinder and reservoir part of the draw-bar are displaceable thereon.
Patent GB-672333-A (GB)
Title: An improved flux for use in arc welding
IPC: B23K35/362
Filed: 1950-01-27
Abstract: A flux, of the type used in arc welding where the arc is submerged in a layer of the flux deposited along the line to be welded, comprises a major proportion of one or more of the silicates of calcium, manganese, magnesium and aluminium in the form of a granular, prefused material also containing in chemically combined form an amount, not exceeding 1 per cent by weight, of lead, bismuth or antimony.  A fluoride, e.g. cryolite, calcium fluoride, aluminium fluoride or sodium fluoride may be present up to 15 per cent by weight.
Patent GB-878548-A (GB)
Title: Improvements in or relating to panel assemblies
IPC: B62D29/04
Filed: 1960-01-21
Abstract: 878,548. Vehicle bodies. PNEUMATIQUES & CAOUTCHOUC MANUFACTURE KLEBER-COLOMBES. Jan. 21, 1960 [Jan. 21, 1959], No. 2236/60. Class 108(1). The inner layers 5, 7 and the outer layers 6, 8 of two panels of "sandwich" construction are joined together by angles 11, 14 riveted thereto one stiffening member 16 being provided at the joint and another 18 spaced from the joint.
Patent GB-1534685-A (GB)
Title: Fuel economy device for an internal combustion engine
IPC: G01F9/00
Filed: 1976-01-15
Abstract: 1534685 Pressure gauges RAYDYOT Ltd 15 Jan 1976 [17 Jan 1975 20 March 1975] 2241/75 and 11575/75 Heading G1L A meter measuring the manifold suction of an internal combustion engine comprises bellows 14 fixed at one end, and means for converting the movement of the other end into rotary movement of an indicator 54. The other end of the bellows is attached by a tab 40 to a member 36 pivoted on a spring 38 and carrying a slotted member 42 into which a pin 60 on the indicator extends. A spring 46 abuts one surface of member 42. The indicator comprises an arcuate member with a display surface divided into red and green areas by a helical line 58 and is viewed through a semicircular lens. As the indicator rotates, a coloured ribbon appears to move along the length of the lens; the line 58 having an S-shape. The meter includes a lamp 28. The indicator may carry a twisted member which engages an aperture of corresponding cross-section at the end of the bellows: with this arrangement the indicator may also be moved laterally.
Patent GB-1293962-A (GB)
Title: Pipe couplings
Inventor: HAWES STEPHEN MICHAEL
IPC: F16L27/12
Filed: 1970-01-16
Abstract: 1293962 Pipe couplings S M HAWES 15 Jan 1971 [16 Jan 1970] 2261/70 Heading F2G In a pivotal joint such as between a pipe 1 fixed on land and a pipe 2 attached to a floating pontoon, a steel bellows unit 4 having flanges 5 at each end is sealingly secured by bolts to flanges 6, 7 of the pipes, the bolts 16 connecting flanges 5, 6 being fracturable under a longitudinal force. A box structure 9 is rigidly affixed to pipe 2 and carries laterally extending pins 10 which engage the ends of slots 12 in plates 11 fast with the fixed pipe 1. Pins 13 on the box structure 9 are positioned behind plates 14 on plates 11 to prevent withdrawal of pins 10 from the ends of slots 12. Links 17 connect bolts 16 to the pins 10. The box 9 also carries a further pair of laterally extending pins 15 positioned such that at the highest desired position of the pipe 2 above the plane of the paper, the pins 15 just abut plates 11. At this position, the pins 13 are no longer behind the plates 14 and the bellows unit 4 is bent to the maximum desired angle. If the pipe 2 rises further, the pins 15 now act as a fulcrum, pins 10 slide along slots 12 and links 17 are pulled to shear bolts 16 to break the coupling between flanges 5 and 6. The plates 11 are protected by a removable plate (18), Fig. 1 (not shown). The bellows may be provided internally at its ends with conical guides to concentrate the fluid flow centrally. The pins 10 may be rotatably affixed to links 17.
Patent GB-1529831-A (GB)
Title: Radiography
IPC: A61B6/03
Filed: 1976-01-07
Abstract: 1529831 Radiography EMI Ltd 7 Jan 1976 [18 Jan 1975] 2261/75 Heading H4F In a radiological examination apparatus of the type in which a section of a body is traversed by a fan shaped beam of X-rays and the transmitted rays are detected to derive signals from which an absorption distribution of the section can be derived, the irradiation taking place with different source-detector orientations relative to the body, the transmitted rays are incident on a fluorescent screen which converts the X-rays to radiation of a different wavelength, this latter radiation being then incident on a detector which can be moved so that the detected radiation does not always fall on the same area of its input face. The fluorescent screen is preferably moved in a similar manner.
Patent GB-1074436-A (GB)
Title: Improvements in or relating to diazaspiro compounds
Inventor: JUCKER ERNST
IPC: C07D471/10
Filed: 1964-08-14
Abstract: Novel compounds of the general formula <FORM:1074436/C2/1> (wherein R1 is C1-C4 alkyl or benzyl and R2 is C1-C4 alkyl, benzyl or b -phenyl-ethyl) are prepared by heating a compound of the general formula <FORM:1074436/C2/2> (wherein R3 is H or C1-C4 alkyl) with an amine R1NH2.  Piperidine derivatives of the second general formula above are prepared from compounds of the general formula <FORM:1074436/C2/3> by hydrolysis (in one or more stages) and decarboxylation (whereby simultaneous or preliminary splitting off of the benzoyl radical occurs), followed, when R3 is to be alkyl, by esterification.  Dicyanides of the last general formula above are prepared by condensing 1-benzoyl-4-piperidine with an alkyl cyanoacetate, adding KCN to the resulting piperidylidene compound, and reacting the resulting compound of the general formula <FORM:1074436/C2/4> with a halide R2-Halogen.
Patent GB-237306-A (GB)
Title: Improvements relating to the treatment of ores or residues containing zinc
Filed: 1924-01-29
Abstract: In a process in which zinc ores are treated to obtain zinc chloride which is precipitated with barium chloride the barium chloride produced is treated with sulphuric acid to produce barium sulphate and hydrochloric acid.ALSO:In the wet treatment of ores containing zinc in which hydrochloric acid or a chloride mixed or not with sulphuric or hydrochloric acid is the solvent, the zinc chloride solution finally obtained is treated with barium carbonate so as to obtain zinc carbonate and barium chloride which on treatment with sulphuric acid or a sulphate yields barium sulphate and hydrochloric acid or a chloride for use again.  A lead zinc ore may be extracted with a brine containing hydrochloric acid, the lead chloride being separated by cooling the solution.  Excess of hydrochloric acid is distilled off and recovered, the remainder being neutralized by roasted zinc residues.  Lead is precipitated by metallic zinc, sodium chlorate is added to oxidize the iron, and zinc oxide is added to precipitate the iron.  Any remaining lead is removed by another treatment with zinc, and barium chloride is added to precipitate the sulphate ion present. Freshly precipitated barium carbonate is then added to precipitate the zinc as carbonate, and sulphuric acid is added to the barium chloride to obtain hydrochloric acid, the barium sulphate being converted into carbonate in known manner.  The process may be applied to the liquor obtained by leaching lead sulphate residues with brine, the lead chloride being converted into sulphate by zinc sulphate while the zinc chloride is treated with barium carbonate to obtain zinc carbonate and barium chloride, which is used to remove the sulphate ion from the leaching solution.  The process may also be applied to the iron chloride liquor obtained by reducing lead chloride with iron.  This liquor is treated with roasted blende or zinc oxide to convert the iron, after oxidation, into iron hydrate, the barium chloride being converted into barium sulphate and sodium chloride or hydrochloric acid for the extraction of material to obtain lead chloride, and a similar series of operations may be employed when lead chloride is reduced by zinc.  Ores or residues containing zinc oxide or metallic zinc may be extracted with sulphuric acid and the zinc sulphate solution after purification is converted into chloride by means of lead chloride; or the zinc residues may be treated with hydrochloric acid to obtain the zinc chloride direct.  In either case the zinc chloride is then treated with barium carbonate to obtain zinc carbonate, and the barium chloride is converted to barium sulphate.
Patent GB-392492-A (GB)
Title: Improvements in measuring drums for screw-micrometers
IPC: G01B3/18
Filed: 1933-01-25
Abstract: 392,492. Linear-dimension gauges. ZEISS, C., ]Firm of], Carl-Zeiss-Strasse, Jena, Germany. Jan. 25, 1933, No. 2381. Convention date, Feb. 3, 1932. [Class 106 (ii).] In micrometer screw gauges and screwmicrometer adjustment devices, say for optical instruments, that part of the drum d which glides over the scale e indicating complete rotations is transparent and has an index e<1> co-operating with the scale. The drum is made of glass, celluloid, &c., and is provided with a scale f<1> on the inside surface and at some slight distance from the edge for measuring intervals between the rotations and co-operates with an index line f. The scale e is on the fixed part a and the line e<1> on the inside surface of the drum. Parallax is thus avoided.
Patent GB-156556-A (GB)
Title: Improvements in or relating to fuses for projectiles
IPC: F42C9/18
Filed: 1918-02-09
Abstract: 156,556. Loth, A. W., and George, H. Feb. 10, 1917, [Convention date]. Projectile fuzes.-Relates to fuzes which explode the projectile when centrifugal force set up by the rotation of the projectile ceases, and comprises arrangements in which the primer and the striker are brought into contact to cause detonation, when the projectile has ceased to rotate, by a spring which is normally held cocked. In the construction shown in Fig. 1, the primercarrier A is acted upon by a spring D which is held under compression by blades E, E', carrying pellets F, F<1>, normally abutting against a shoulder G. On discharge of the projectile, the member A sets back, disengaging the pellets F, F<1> from catches g, g', whereupon the pellets fly out, and when acceleration ceases they move up against a rim H. When centrifugal force diminishes sufficiently, they pass into a, space J, and the spring D is then free to move the primer into contact with a fixed striker C. The fuze described above may be combined with an ordinary time-fuze. In a modification, the primercarrier is normally held back, against the action of a spring, by the rear ends of arms which are pivoted near the front end of the fuze body, and which are subject to centrifugal action. Figs. 3 and 4 show modifications in which the axis of the fuze is perpendicular to that of the projectile. In the construction shown in Fig. 3, blade springs Q, Q' normally hold the striker-spring P cocked, and move out into grooves R, R<1> under centrifugal action. The fuze shown in Fig. 4 is a combined time and percussion fuze, in which a spring T is under torsional and compressive stress. On discharge, a pellet U moves along a rod y<1> until it clears a shoulder y<2>; the spring T then causes the pellet to rotate and strike a cap y<3>, igniting a time-fuze. When centrifugal force ceases, the pellet U escapes through a space y<4>, and the spring uncoils further and causes the pellet to explode a percussion cap, (not shown).
Patent GB-705453-A (GB)
Title: Electrical connector
IPC: H01R4/20
Filed: 1952-01-29
Abstract: 705,453. Wire terminals ; sleeve couplings. AIRCRAFT-MARINE PRODUCTS, Inc. Jan. 29, 1952 [May 5, 1951], No. 2395/52. Class 38 (1)  A terminal connector comprising a ferrule portion 12 formed by bending a blank with its longitudinally - meeting edges brazed at 18, is provided with grooves 10 right round the inner surface of the ferrule, and shorter grooves 14 extending only part of the way round it opposite the brazed seam 18, so that when the ferrule is crimped on to a wire, that part of the surface diametrically opposed to. and that part of the bottom of, indent 20 are grooved, there being no grooves on the sloping surfaces of the indent. Two parallel longitudinal indents are made in this case. When a single indent only is made Fig. 5, (not shown) on the side opposite the brazed seam, the shorter grooves extend a short distance from each side of the seam. The arrangement is stated to avoid shearing the metal of the longitudinal sides of the indent. Specifications 569,366, 620,561 and 621,949 are referred to.
Patent GB-228878-A (GB)
Title: Process of producing multi-colour effects or mixed tints or shades on vegetable fibre
IPC: D06P3/68
Filed: 1925-01-27
Abstract: Mixed tints or shades and multi-colour effects are produced by over-dyeing or printing with vat-dyes vegetable fibre which has been dyed, wholly or in parts only, with azo dyes which resist the action of boiling dilute alkali in the presence of cellulose, that is, which are fast to kier-boiling; such azo dyes are especially those produced on the fibre from 2 : 3-oxynaphthoic arylides as described in Specification 6379/12, [Class 2 (iii), Dyes &c.], and from acylacetylamines as described in Specifications 210,217 and 210,347. According to examples, (1) fabric woven from white cotton yarn and yarn dyed as in Specification 17279/13 with 4-nitro-2-anisidine and 2 : 3-oxynaphthoyl-b -naphthylamine or with 2 : 5-dichloraniline and 2 : 3-oxynaphthoyl-o-chloraniline is over-dyed with algol violet R yielding a red pattern on a violet ground; (2) a similar fabric containing yarn dyed with 4- or 5-chlor-2-toluidine and 2 : 3-oxynaphthoyl-b -naphthylamine, or 2 : 3-oxynaphthoyl-5-chlor-2-anisidine is over-dyed with Indanthrene blue GC; (3) a green shade is obtained on cotton dyed with o-chloraniline and diacetoacetyl-o-tolidine by the ice-colour method, by dyeing, printing, or padding (Specification 22331/05) with Alizarine Indigo 7G; the printed goods are steamed with wet steam and chromed, yielding a green design on a yellow ground; (4) fabric consisting of white yarn and yarn dyed with o-aminoazotoluene and diacetoacetyl-o-tolidine is dyed with Algol Brilliant Violet R yielding brown shades on a violet ground.
Patent GB-425929-A (GB)
Title: Improvements in and relating to epicyclic variable speed gearing
IPC: F16H3/66
Filed: 1934-01-24
Abstract: 425,929. Change-speed and reversing gearing. BONN, C. R. H., 56, Gibson Street, Hillhead, Glasgow. Jan. 24, 1934, No. 2443. [Class 80 (ii)] In change-speed and reversing epicyclic toothed or friction gearing in which forwardspeed changes are effected by arresting alternatively planet-carriers such as 9<1>, 9<2>, means such as a sun gear 6<a> is provided incorporated in the train for reversed driving by which an additional forward speed is obtained. The invention is shown incorporated in the gearing described in Specification 420,731 in which cone brakes 9<1>, 9<2> &c. are thrust by oil pressure alternatively against a fixed coned casing 1 to effect forward speeds, and in which a cone brake 9 is similarly actuated to effect reversed driving. Pairs of interengaging planet pinions 17, 18 are supported on a carrier 13 fast on the driven shaft 3. The pinions 17 are rigid each with a pinion 7 meshing with the last sun gear 6 fast on the driving-shaft 2. The pinions 18 are rigid each with a pinion 19 meshing with an annulus 11 which is held fast when the cone 9 is braked during reverse. The sun gear 6<a> for the additional forward speed meshes with the pinions 19 and is fast on a loose sleeve 10<a> carrying a further cone brake 9<a> which is actuated alternatively like the others.
Patent GB-176210-A (GB)
Title: Improvements relating to bushed joints in chains and the like
IPC: F16G13/04
Filed: 1921-01-19
Abstract: 176,210. Coulson, R. Jan. 19, 1921. Bushes.-To prevent the rapid initial wear of bushes in the joints of driving- chains &c. they are formed by bending a strip of metal of varying thickness in such a manner that a substantial portion of the inside surface of the bush B is of the same curvature as that of the pin P so that the pin bears on the bush over this surface, while a clearance c remains between the pin and the remainder of the surface of the bush.
Patent GB-102000-A (GB)
Title: Improvements in Piston Rod Packing.
Inventor: PAXTON JAMES LOVE
IPC: F16J15/28
Filed: 1916-02-19
Abstract: 102,000. Paxton, J. L. Feb. 19, 1916. Packing, metallic; packing, removable casings, containers, or carriers for.-A piston-rod packing. ring consists of two segments 1, the division lines of the ring being parallel and approximately tangential to the surface of the rod to be packed. In order to permit rocking of the segments, their ends 9 are curved. The packing is contained in a ring 4, and each segment is pressed inwards by a leaf spring 3, the ends of which make contact with the ring 4, while a projection on the middle bears on the segment 1. The springs 3 lie in grooves in the segments 1, and their ends are bent inwards to prevent the springs from escaping from the grooves.
Patent GB-541640-A (GB)
Title: Improvements in and relating to foundry compositions
IPC: B22C1/18
Filed: 1941-02-24
Abstract: 541,640. Mould and core materials. TRIGGS, W. W. (Eastern Clay Products, Inc.). Feb. 24, 1941, No. 2504. Drawings to Specification. [Class 83 (i)] A moulding composition comprises sand, bentonite, and a non-swelling montmorillonite clay. This may be colloidal and its proportion to the bentonite is varied according to the dry strength desired. Two to 8 per cent of the mixed clays may be used or if the sand contains burnt or used sand down to ¢ per cent may be used. Small quantities of auxiliary binders, such as cereal, cement, goulac, pitch or rosin, and cleaning elements, such as coal, wood flour or oil may be added. Mixtures of sand with fire clay and bentonite are mentioned and Specification 534,323 and U.S.A. Specification 2,128,404 are referred to.
Patent GB-606621-A (GB)
Title: Improvements in or relating to making reinforced concrete vaults, roofs, arches, or the like
IPC: E04G21/12
Filed: 1946-01-25
Abstract: 606,621. Roofs; centering for concrete arches &c. SECHAUD ET METZ. Jan. 25. 1946, No. 2514. Convention date, Feb. 20, 1945. [Classes 20(ii) and 20(iv)] To prevent undesirable stresses as the load is transfered from the centering of a monolithic portion of a concrete roof, arch, &c., to cambered ties subtending it, all the ties are simultaneously cambered progressively, and at the same time the centering is struck progressively in such a manner that the load transferred at each step is distributed equally over all the ties; the cambering stress applied to the ties is also borne progressively by the concrete through suspending rods. Fig. 1 shows a series of hydraulic jacks 8 all connected to a common tank 9 and capable of lifting the cold drawn or high tensile steel or cable ties 3 in steps up the steel suspending rods 4; after the first step, part of the centering, e.g., 5a and 5b and correspondingly on the opposite side, is struck throughout the whole length of the roof. after the second step part 5c is likewise struck, and so on. The jacks may be arranged in pairs, Fig. 4, on a cross-bar 22 supported on a nut 25 on the threaded suspending rod 4, the plungers 20 acting through a cross-bar 19 to lift a stirrup 14 supporting the tie 3. After each stroke the nut 17 is screwed up by hand to hold the stirrup, the jacks are collapsed, and the lower cross-bar 22 is raised by the nut 25 to bring them into position for the next stroke. Where more than two suspending rods are provided per tie, some taking greater stresses than others, jacks having plungers of different diameters may be used; where the total lift required varies, either some jacks may be cut off before completing the full number of strokes, or their individual strokes may be shortened, e.g., by making the abutment flanges 27 adjustable on the plungers 20. After completion of the cambering, the ties 3, stirrups 14 and rods 4, cut off flush below the nuts 17, may be concreted.
Patent GB-781705-A (GB)
Title: Improvements relating to high frequency electric coupling arrangements
Inventor: HALKYARD HAROLD LEES
IPC: H01P7/04
Filed: 1955-01-27
Abstract: 781,705. Impedance networks. BRITISH THOMSON-HOUSTON CO., Ltd. Jan. 17, 1956 [Jan. 27, 1955], No. 2524/55. Class 40 (8). Two outputs differing in phase by 180 degrees are obtained from a single input by means of a pair of output lines 8, 9 which differ in length by half a wavelength. The outputs may be applied to a push-pull amplifier or similar balanced circuit. The input signal is applied by a feeder 4 to a coaxial line 2, 3 tuned by a piston 10. The output lines 8, 9 are coupled to the line 2, 3 by diametrically-opposed probes 6, 7 which may be extensions of the inner conductors. The probes are adjustable for depth in order to provide for variation in the relative amplitudes of the output signals. They are so situated that a good impedance match with the line 2, 3 is obtained. The lines 8, 9. are flexible and are held in position by collet clamps 11 and nuts 12.