baber/WOPTO huggingface dataset:
Patent GB-282683-A (GB)
Title: Process for the manufacture of mono-azo dyestuffs
IPC: C09B29/06
Filed: 1927-12-20
Abstract: 282,683. I. G. Farbenindustrie Akt.- Ges. Dec. 23, 1926, [Convention date]. Monoazo dyes yielding blue and violet to black shades on wool and suitable for dyeing acetate silk in clear fast shades are obtained by coupling the diazo compounds from 4-nitraniline-2-sulphonic acid or its substitution products, 5-nitro- 2-aminobenzyl-#-sulphonic acid, or a sulphonic acid of 4-nitro-1-aminonaphthalene with 2-(4<1>- hydroxyphenyl)-aminonaphthalene or its substitution products. In examples the preparation is described of the dyestuffs 4-nitraniline-2- sulphonic acid # 2-(4'-hydroxyphenyl) aminonaphthalene or its 31-carboxylic acid; 4- nitraniline-2 : 5-disulphonic acid (prepared by nitration of aniline 2: 5-disulphonic acid), 2- methoxy-4-nitranilime-6-sulphonic acid, or 5-nitro- 2-aminobenzyl-#-sulphonic acid # 2-(4<1>- hydroxyphenyl) aminonaphthalene; 4-nitro-1- aminonaphthalene-5-sulphonic acid or 4-nitro-1- aminonaphthalene-6-sulphonic acid # 2-(4<1>- hydroxyphenyl)-aminonaphthalene. A table is given showing the shades obtainable on wool with the products from various components. 4<1> - Hydroxyphenyl - 2 - aminonapthalene-7- sulphonic acid is prepared from p-aminophenol and 2-hydroxynaphthalene-7-sulphonic acid by boiling with bisulphite lye. 4<1> - Hydroxyphenyl - 2 - aminonaphthalene-3<1>- sulphonic acid is prepared from #-naphthol and 4-aminophenol-2-sulphonic acid by boiling with bisulphite lye.
Patent GB-639892-A (GB)
Title: Gate latch and opener
IPC: E05B15/00
Filed: 1947-12-29
Abstract: 639,892. Latches ; door-operating appliances. DOLE, C. E. Dec. 29, 1947, No. 34505. Convention date, March 22, 1947. [Classes 44 and 65 (i)] A latch for a gate or the like having means whereby the gate is positively impelled to open on release of the latch comprises a bar 1, Fig. 1, pivoted at 2 to a plate 3 on the gate and movable in a keeper 5, the free end 4 being preferably off-set as shown. On closing the gate the end 4 rides up the inclined edge 21, Fig. 2, of a strip 15 secured to and spaced from a plate 9 on the jamb 10 and falls to engage the vertical edge 20 of the strip thereby effecting latching. In this position the end 4 rests on an arm 25 lying between the strip 15 and the plate 9 and pivoted at 28. By depressing a pedal 30 at one end of the arm 25 the other end is raised thereby freeing the latch. At the same time an upward extension 26 on the arm 25 is rotated so that its end 27, preferably curved, engages the projecting end 32 of a strip 31 on the gate to urge the gate in the opening direction. The arm 25 is thereafter returned to the horizontal position by a weight 50 on a downward extension of the arm. The gate may be secured against unlatching by swinging a clevis 33 mounted on the end of the strip 31 to engage the member 27. For opening from the other side of the gate a pedal 44 may be provided which is secured to an arm 42 pivoted at 43 and connected by a link 45 to a strip 35 pivoted at 37, these parts being mounted in a recess 36 in the jamb inside the plate 9 ; the strip 35 has a bent end 38 terminating in a pin 39 engaging a slot 40 in the arm 25. The latch may be placed higher on the gate for manual operation.
Patent GB-790109-A (GB)
Title: Pipe coupling
Inventor: SEUBERT CONRAD
IPC: F16L21/06
Filed: 1956-11-12
Abstract: 790,109. Pipe couplings. EISENWERKE, F. W. DUKER AKT.-GES. Nov. 12, 1956, No. 34573/56. Class 99(1). Pipes 1, 2 are connected by a sleeve divided longitudinally into two parts 3, 4 having externally threaded conical or frusto-conical projections 5, 6, a clamping member 7 screwing on to each pair of projections to secure the parts together and to compress a rubber &c. packing 9 which encircles the pipe ends and is housed within the sleeve. The sleeve is provided with annular grooves 10 and a closed groove 11 at the joint to allow insertion of the packing. The shaped packing member 9 is divided through the longitudinal strip 14 so that it may be arranged about the pipes or alternatively may be produced as a plane member and then bent around the pipes to give the strips 15 an annular shape. In modifications, Fig. 3, (not shown), the sleeve parts may have a housing to allow branch conduits to be connected to the pipe or to use the appliance as a valve boring box, and in Fig. 5 (not shown), the shaped rubber member may have its line of division in the annular strips which may extend approximately tangentially to the annular surfaces and engage with a tongued and grooved fit so as to provide a large sealing surface between the ends and to prevent lateral displacement respectively.
Patent GB-181401-A (GB)
Title: Improvements relating to the manufacture of magnetic alloy sheets
IPC: B21B3/02
Filed: 1920-12-08
Abstract: 181,401. White, A. E., (Valley Holding Corporation). Dec. 8, 1920. Rolling; working at specified temperatures.-In the manufacture of magnetic alloy sheets, means are provided for exerting a definite unvarying pressure during the final pass. The rolling-mill may comprise a lower roll 4 supported by hydraulic cylinders supplied from an accumulator 6 loaded by weights 8. The complete process preferably also comprises casting exceptionally pure ingots, heating the ingots slowly to approximately 1200‹ F. before bringing them to rolling temperature, rolling the ingots into sheet bars, heating the sheet bars slowly to a temperature of 1200‹ F., and then raising them to rolling temperature, producing a pack, the necessary heating between passes being conducted in a muffle furnace, the sheets being out of contact with the heating-flame and surrounded by a suitable atmosphere, heating the sheets prior to the final pass to such a temperature that they are discharged at or about the temperature of recalescence, and annealing.
Patent GB-502582-A (GB)
Title: A valve-casing of vertical spindle type, in which a low resistance is opposed to the flow
IPC: F16K1/08
Filed: 1937-12-15
Abstract: 502,582. Valve-casings. KLEIN, SCHANZLIN, & BECKER AKT.-GES. Dec. 15, 1937, No. 34707. Convention date, Dec. 15, 1936. [Class 135] A valve-casing for a lift valve designed to give a minimum resistance to flow has the cross section of the duct leading to the valve seating gradually increased from the inlet connection flange 1 to the point 9 where the duct changes direction and from this point the duct is gradually reduced in cross section up to the seating 10 of the valve. The vertical height of the duct is made a minimum at the point of maximum cross section. The centre of curvature 11 of the lower part of the passage adjacent the seat is arranged within the fluid duct below the level of the valve seating insert. The upper wall of the inlet duct is made straight and tangential to a curve leading to the seat aperture. The radius of curvature 4 of this curve is made about one tenth the diameter of the seat aperture.
Patent GB-335113-A (GB)
Title: Improvements in apparatus for guiding and protecting electric cables
IPC: H02G11/00
Filed: 1929-11-14
Abstract: 335,113. M³ller, H. Nov. 15, 1928, [Convention date]. Apparatus for automatically taking up slack of conductors.-A device for taking up the slack of electric cables, particularly the conducting cables for electric smoothing irons, comprises a bowed support b, Fig. 1, pivot,ally mounted on a spring clamp a which is adapted to be fixed to a table edge. The support b is formed with an eye c through which passes an extensible helical cableguiding spring d. One end of the spring d is rigidly connected to the cable e, the other end being detachably fixed by screwing in the thread of a nut g mounted on a cattle-guiding nipple f. In the modified construction shown in Fig. 2, the nipple f is fixed to the other end of the support b, the cable passing through a guiding eye h, which may be of celluloid, before reaching the nipple f.
Patent GB-191945-A (GB)
Title: Improvements in carburetters
IPC: F02M19/035
Filed: 1921-12-30
Abstract: 191,945. Binks (1920), Ltd., C., Sinks, C., Binks, H., and Binks, C. L. Dec. 30, 1921. Spray carburettors.-The fuel flows from the float chamber to the nozzle outlet through two passages, one direct and containing restricted orifices, the other a worm or scroll passage which has the effect of retarding the flow with increase of speed. The nozzle is enlarged at A to receive the scroll or worm C which has an axial passage c with restrictions at E, e. The axial and scroll passages communicate through lateral ducts c<1> and unite in a chamber A' below the nozzle outlet B. The chamber A<1> communicates with the atmosphere through a tube K having a restricted orifice k above the normal fuel level. The air admitted releases the petrol in chamber A<1> at the moment of accelerating and thereafter mixes with the fuel.
Patent GB-487410-A (GB)
Title: Improvements in or relating to heat transfer systems
IPC: F25B27/02
Filed: 1936-12-21
Abstract: 487,410. Refrigerating; heat-transfer systems. ELECTROLUX, Ltd. Dec. 21, 1936, No. 35060. Convention date, Dec. 24, 1935. [Classes 29 and 64 (ii)] The transfer of heat from a continuouslyoperating source of variable temperature to a heat consuming refrigerating apparatus intended to be maintained at a constant temperature is effected by a closed-cycle system, from which heat is dissipated when excess heat is received from the primary source. One system comprises a coil 11, Fig. 1 receiving heat from a stove pipe 10 or other primary source and connected through a coil 14 and pipes 22 and 13 with a vessel 23 adapted to be inserted as a heating cartridge in the generator of the refrigerating apparatus. The two riser pipes are connected by a U-pipe 21 and further pipes 15, 18 are connected with an air-cooled condenser element 16. Under normal conditions the heat-transfer medium circulates by convection and the level does not rise above the top of the pipe 15. If overheating occurs the liquid boils and the vapour formed lifts liquid with it up pipe 15 to the condenser 16, whence condensate returns through pipe 18, and thus the vessel 23 is byepassed. If the stove is out of action primary heat may be applied to the coil 14, as by an electric heater. In another system the generator 24, Fig. 2, is heated by a simple circuit heat-transfer system 11, 13 and further condensing heat-transfer system 25, 16 has its evaporator element 25 in thermal contact with the part 23. If the part 23 receives excess heat, it is dissipated from the condenser 16. The evaporator element 25 may, as shown, comprise a chamber around the central flue of the generator, and the usual " pumping " coil 28 may be located in it. It may, however, be in thermal contact only with the generator proper: If a viscous liquid is used in the first system described, the condenser element 16 may be open to atmosphere at the top. The control of the temperature of the refrigerating cabinet may be effected by supplying heat thereto in known manner. The Specification as open to inspection under Sect. 91, refers also to the use of the system for heating water. This subjectmatter does not appear in the Specification as accepted.
Patent GB-741919-A (GB)
Title: Turret indexing mechanism for automatic lathe
IPC: B23B7/04
Filed: 1953-12-17
Abstract: 741,919. Turret-lathes. BECHLER, A. Dec. 17, 1953 [Dec. 30, 1952], No. 35195/53. Class 83 (3). An indexing mechanism for a turret 11 in an automatic lathe includes an indexing finger 16 to co-operate with indexing pins 13 on the turret, a locking finger 62 loaded by a spring 65 to engage one of a number of notches 63 after each indexing operation, and a device comprising a cam 55 movable with the finger 16 to withdraw the finger 62 after indexing has started, the finger 16 being returned to its starting position when the finger 62 re-engages one of the notches 63. Each indexing operation is started by one of a number of dogs 14 adjustably mounted on a rotating disc 15 and adapted to rock a lever 51 which, through a link 53, shifts a valve 36 against the resistance of a spring 64 to direct pressure fluid from a gear pump 30 to the right-hand end of a cylinder 19. A piston 18 in this cylinder is thus displaced to the left, carrying with it the index finger 16 and the cam 55 which operates, through a lever 58 and a link 61, to withdraw the locking-finger 62 and thus free the turret 11 for rotation by the finger 16. To prevent the valve 36 from being returned to its original position by the spring 64 after the carrier 14 has passed the tip of the lever 51, the latter is held in its displaced position by a lever 49 rigidly connected to the lever carrying the locking-finger 62 until this finger reengages one of the notches 63. The indexing of the turret is then complete and the movement of the valve 36 reverses the fluid supply to the cylinder 19 to return the finger 16 and the cam 55 to starting position, a cam surface 66 rotating the finger 16 clear of the pins 13 on the return stroke. The disc 15 is mounted on a cam-shaft 2 rotated by a worm-gear 4 and pulley 5 from a motor (not shown). Further cams 8, control tools 7 and tool-holders 10 respectively. The cam 55 may be of greater length than shown to hold the locking-finger 62 clear of the turret 11 until the indexing operation is almost completed.
Patent GB-609743-A (GB)
Title: Improvements in or relating to the manufacture of paper
IPC: D21H21/46
Filed: 1945-12-31
Abstract: 609,743. Paper for secret correspondence. AMERICAN BANK NOTE CO. Dec. 31, 1945, No. 35230. Convention date, April 22, 1943. [Class 96] Paper for secret documents, revenue stamps &c. to receive written or printed matter which can be effaced by generation of carbon dioxide &c. gas on soaking with water, is made from absorbent paper or waterleaf which may have been starch surfaced, by coating it on one or both sides with carbonate of calcium &c. and a binder e.g. methyl cellulose, gum Arabic dextrine, or glue, and with tartaric, citric, maleic, or lactic acid in one of the same binders. Up to 5 per cent of a plasticizer may be included in the carbonate coating. The acid coating may be applied to a carbonatecoated paper in an anhydrous solvent e.g. alcohol or an acid-coated ply may be adhered to the back of a carbonate-coated ply.
Patent GB-1530058-A (GB)
Title: Method of purifying low-temperature tars
IPC: C10C1/00
Filed: 1977-08-24
Abstract: 1530058 Purifying tar BERGWERKSVERBAND GmbH 24 Aug 1977 35436/77 Addition to 1500353 Heading C5E Low temperature tar produced in the pressure gasification of coal at up to 600 to 700 ‹ C. is freed from emulsified water by maintaining at 100 to 160‹ C. and 5 to 100 torr for 1 to 5 minutes with stirring and/or kneading (e.g. in an extruder) and is then filtered under a superatmospheric pressure at 120-220‹ C.
Patent GB-759634-A (GB)
Title: Improvements in or relating to wrapping machines for wrapping margarine or the like
Inventor: PARKER MATTHEW
IPC: A01J21/02
Filed: 1953-12-21
Abstract: 759,634. Moulding and wrapping margarine &c. FORGROVE MACHINERY CO., Ltd. Nov. 23, 1954 [Dec. 21, 1953; May 4, 1954], Nos. 35487/53 and 12940/54. Class 87(2) The margarine enters a die chamber 2 from a pipe 1 and is cut off periodically by a knife 3. When the knife 3 is in its up position the top cover 5 of the die chamber moves to open the chamber and a plunger 8 then rises and ejects a shaped block of margarine, which is transferred to wrapping apparatus by the return movement of the flanged cover 5. Since the margarine is continuously supplied from the producing machine a cylinder 10 is available to receive margarine when the die chamber is cut off, and as soon as the knife 3 returns and opens the die chamber a compensator piston 11 moves to return margarine from the cylinder 10 into the feed pipe 1. The plunger 8 is cam-operated from a shaft 15, from which also the wrapping machine is operated. When the wrapping machine is stopped for attention, margarine fed through the pipe 1 escapes through a relief valve 14, but if the machine is of the type in which the piston 11 is operated by compressed air, even though the compressed air may be cut off, the constricted nature of the relief valve may allow the margarine pressure to rise sufficiently to move the die plunger 8, and therefore the shaft 15, so causing the shafts of the wrapping machine to turn and endangering the repairer. According to the invention, therefore, the compensator piston 11 is operated by a cam 12 through a bell-crank 13, from the same shaft 15 which operates the plunger 8 by a cam 6 and rocking lever 7. The cams 6, 12 are so shaped that when the die chamber 2 is open to the pipe 1 the thrust exerted on the cam 6 by the lever 7 from the plunger 8 is equal and opposite to the thrust exerted on the cam 12 by the bell-crank 13 from the piston 11. To ensure that the die chamber 2 is completely filled on each stroke, the mechanism is arranged so that the compensator piston 11 overfeeds slightly on its inward stroke, and a small quantity of margarine therefore flows to waste through the valve 14 at each cycle. Alternatively there may be a secondary piston in communication with the feed pipe and loaded by a weight or spring, so as to maintain the filling pressure on the margarine and obviate the normal use of the relief valve. If there is undue underfeeding the secondary piston will move in and actuate a switch to stop the producing machine, so preventing the delivery of short weights. At overfeeding the piston moves out and uncovers an escape hole. The piston may control other switches for balancing the producing and wrapping machines. Specifications 565,143, 590,935 and 759,643 are referred to.
Patent GB-1267485-A (GB)
Title: Belt and web couplings
IPC: D21F7/10
Filed: 1970-07-22
Abstract: 1,267,485. Belt fastenings. THOMAS JOSEF HEIMBACH G.m.b.H. & CO. 22 July, 1970 [24 July, 1969], No. 35563/70. Heading F2Q. A belt or web coupling comprises spaced loops 1, 1<SP>1</SP> secured to the ends 2, 2<SP>1</SP> of a belt or web and held in intermeshing relationship by a connector comprising a pair of parallel rods 4, 4<SP>1</SP> which are convexly curved in cross-sectional profile at least where the rods make contact with each other and which are enclosed in a resilient tube 5 of synthetic plastics material. The rods 4, 4<SP>1</SP> may be composed of stainless steel with a polyamide coating or of polyamide mono-filaments with a synthetic-resin-impregnated polyester coating. The outer tube 5 may be formed of polytetrafluoroethylene, polyester or polyamide, and the tube may contain a lubricant containing molybdenum disulphide and/or graphite. Alternatively, the lubricant may be a synthetic plastics material with lubricating properties, such as polytetrafluoroethylene, or a conventional lubricant paint applied as a coating film to the rods 4, 4<SP>1</SP>. A rubber-like adhesive may be provided instead of a lubricant. The rods 4, 4<SP>1</SP> may be circular or oval in cross-section. The outer tube 5 is sealed by a pointed cap at at least one end.
Patent GB-982205-A (GB)
Title: Shift circuit
IPC: H03K17/58
Filed: 1962-09-18
Abstract: 982, 205. Electronic shift register; counting apparatus. RADIO CORPORATION OF AMERICA. Sept. 18, 1962 [Oct. 10, 1961],No. 35578/62. Headings G4A and G4C. [Also in Division H3] In a shift circuit, each stage comprises a bistable circuit, using a negative resistance diode, coupled via a transistor to a monostable circuit. Fig. 1 shows a shift register having three such stages. The tunnel diode 10a and transistor 14a are biased by constant current via resistor 12a, so that when the circuit is reset by a pulse 40 the tunnel diode 10a is at its low voltage state and thus transistor 14a is non-conductive. The circuit is set to its higher (negative) voltage state by an input pulse 28, transistor 14a becoming conductive and giving a positive-going step at B, which remains until the circuit is reset by the next shift pulse 40 when, after a delay due to charge storage, the transistor 14a is turned off. The negative-going step at B is differentiated at 60a and sets the monostable tunnel diode 50a to its higher (negative) voltage state until sufficient current has developed in inductor 54a to restore tunnel diode 50a to its lower voltage state. The Ga As tunnel diode 50a should have a higher peak current than the Ge tunnel diode 10a, but both diodes may alternatively be formed of the same material. Diode 34b prevents tunnel diode 50a being triggered when the voltage state of tunnel diode 10b is changed. Fig. 5 shows another shift register using the transistors in the common base mode. A tunnel rectifier 150 may be used as a coupling diode. Counting and calculating apparatus. The circuit shown in Fig. 1 may be used as a ring counter if the last monostable circuit I is omitted and the electronic switch 37 closed. As a shift register, data may be applied serially at terminal 30 in timed sequence with the shift pulses 40 and may be read out serially at H or in parallel at the three output terminals. Data may alternatively be applied in parallel at the three input terminals. The register may be cleared by a series of shift pulses 40 or by a pulse at 40 of longer duration than that of the monostable circuits.
Patent GB-915665-A (GB)
Title: Independent suspension system
IPC: F16F1/38
Filed: 1961-10-03
Abstract: 915,665. Road vehicle spring suspensions. FORD MOTOR CO. Ltd. Oct. 3, 1961 [Oct. 3, 1960], No.35650/61. Class 108(2). An independent suspension system for a motor vehicle comprises a road wheel 31 mounted on a support member 32 connected by ball joints 35, 36 to an upper suspension arm 11 pivoted on a shaft 13 on the vehicle frame and to a lower suspension arm 18 supported by a helical spring 38 and connected to the vehicle frame by a resilient bushing 21 and by a pivotal connection 24 comprising links 93, 94 (Fig. 4) suspended from a second resilient bushing and which carry a third resilient bushing 85 secured to the lower suspension arm 18. When horizontal shocks are applied to the wheel 31 the third resilient bushing 85 pivots about the second resilient bushing 70 resulting in horizontal displacement of the lower suspension arm permitting recession of the wheel accompanied by upward displacement of the lower suspension arm against the spring 38. The resilient bushing 21 comprises a rubber member 51 bonded to an inner sleeve clamped between caps 54, 55 on a bolt 22 passing through a frame member 23 and to an outer sleeve 49 welded or press-fitted in an aperture 61 in the lower suspension arm 18. The second resilient bushing 70 comprises a rubber member 73 bonded to an inner sleeve 72 on a bolt 75 passing through a frame member 74 and to an outer sleeve 71 carrying the links 93, 94. The third resilient bushing comprises a rubber member 88 bonded to an inner sleeve on a bolt 99 carried by the links 93, 94 and to an outer sleeve 86 welded or press-fitted in an aperture 104 in the lower suspension arm 18. An oval rubber bush 111 which may comprise two parts is bonded to a sleeve 18 welded in an aperture 106 in the lower suspension arm 18 and engages the outer sleeve 71 of the second resilient bushing 70 to limit the recession of the wheel 31. Rubber stop members 43, 44 engage a frame member 37 supporting the spring 38 to limit vertical displacements of the wheel 31. The invention may be applied to a suspension system employing torsion bars or leaf springs instead of helical springs, or a system having spring means connected to an upper suspension arm.