baber/WOPTO huggingface dataset:
Patent GB-289977-A (GB)
Title: Improved mechanism for use in the production of sheet metal boxes and the like
IPC: B21D51/26
Filed: 1927-02-10
Abstract: 289,977. Crabtree, W. A. Feb. 10, 1927. Hollow-ware.-The side walls of boxes Fig. 14 are bent and flanged at the ends by placing sheet metal over a former 2 and rotating the former while a pressing roller 31 descends and presses the metal over the former, flanges being formed on the box by the slope of the end plates 12<c> of the former, and by the axial yielding of the former. When hook end of the sheet is placed in the groove on the former, with its edge gripped in a groove 2<d> and rounding a hook 2e at a corner of the former 2 an end plate 12<c> mounted on sliding bars is slid up by a cam operated lever and after one or two revolutions the plate is withdrawn by a spring 231, and at the same time the box is withdrawn from its former by levers 23 on the bars which are pulled towards each other by a spring to grip the flange. The roller 31 is mounted on a pivoted arm which is lifted from pressing position by a cam 44. The former is resiliently mounted between rubber washers which allow a slight endwise motion by the pressure of the roller 31 while the sheet metal is being formed. All the moving parts are driven form a belt passing over a pulley 13 which drives continuously through gearing the cam shaft 21, and drives intermittently through a clutch 14 the shaft 11 which rotates the former 2. the cam 22 in the shaft 21 operating through links 24, 25, 26 to put the clutch into and out of action.
Patent GB-1254326-A (GB)
Title: Method of preparing nitrilotriacetonitrile or methylene-bis-iminodiacetonitrile or mixtures thereof
IPC: C07C255/25
Filed: 1969-01-23
Abstract: 1,254,326. Nitrilotriacetonitrile and methylene-bis-iminodiacetonitrile. STAUFFER CHEMICAL CO. 23 Jan., 1969 [25 Jan., 1968], No. 3780/69. Heading C2C. Nitrilotriacetonitrile or methylene-bis-iminodiacetonitrile or mixtures thereof are prepared by adding ammonia and hydrogen cyanide simultaneously to acidified liquid phase formaldehyde maintained at a pH between 0 and 2, the temperature being controlled between 10‹ and 40‹ C. to produce methylene-bis-iminodiacetonitrile or a preponderance thereof or between 10‹ and 100‹ C. (and over 40‹ C. in at least the later period of reaction) to produce nitrilotriacetonitrile or a preponderance thereof. When it is desired to produce nitrilotriacetonitrile or mixtures in which this preponderates, the temperature during the addition of hydrogen cyanide and ammonia is desirably maintained between 30‹ and 35‹ C. and thereafter the temperature is maintained between 60‹ and 65‹ C. The temperature is preferably maintained at 30‹ to 40‹ C. throughout when it is desired to produce methylene-bis-imino-diacetonitrile or mixtures in which this preponderates. Methylenebis-iminodiacetonitrile may be converted to nitrilotriacetonitrile by reaction with liquid hydrogen cyanide and formaldehyde at temperatures of 50‹ to 95‹ C.
Patent GB-462772-A (GB)
Title: Improvements in and relating to electric discharge devices
IPC: H01J17/40
Filed: 1936-02-07
Abstract: 462,772. Discharge devices. BRITISH THOMSON-HOUSTON CO., Ltd. Feb. 7, 1936, No. 3810. Convention date, Feb. 8, 1935. [Class 39 (i)] A cathode - glow discharge device for use as a voltage regulator has electrodes in the form of two opposed dishes 5, 8, the exterior surfaces of which are coated with finely powdered aluminium to restrict the discharge to the opposed inner surfaces, one or both of which are coated with a mixture of barium and strontium carbonates reduced after the electrodes are mounted in an envelope ; a nitrocellulose binder is used for the aluminium. The gap between the electrodes is of the order of 1-2 mm. and is so small that there is no anode fall. The filling consists of neon containing 8 per cent of argon at a pressure of 42À5 mm. ; other fillings wherein the principal constituent has a metastable potential in excess of the ionizing potential of the diluent may be used, such as krypton with neon or argon with helium. Specifications 397,107, 411,931 ; and 431,736, [Group XXVI], are referred to.
Patent GB-793451-A (GB)
Title: Improved polyamides by copolymerising polyethers with certain polyamide-forming ingredients
Inventor: COLEMAN DENIS
IPC: C08G69/26
Filed: 1955-02-09
Abstract: Polyamides are prepared from oxalic acid, a mono- or di-methyl substituted hexamethylene diamine having the methyl groups in the 2-, 3-, 4- or 5-positions, and a high molecular weight polyether having amide-forming end groups, e.g. COOH, lower alkyl ester or amino groups.  The preferred polyether is polyethylene oxide with more than 20 repeating units.  Preferably the mixed polyether and diamine are allowed to react with the alkyl or aryl ester of oxalic acid.  The products have reduced tendency to accumulate electrostatic charge and can be dyed with acid dyestuffs.  In examples: (1), (2) and (3) polyoxyethyl-a ,o -dicarboxylic acid is added to 3-methylhexamethylene diamine in methanol and the solution mixed with diethyl oxalate and heated at low pressure to give a polymer suitable for melt-spinning.  Example (4) is similar but uses a mixture of 2- and 3-methylhexamethylene diamines.  The polyoxyethylene - a ,o  - dicarboxylic acid was prepared by oxidation of polyoxyethyloxy glycol with nitric acid containing copper and ammonium metavanadate as catalysts.  Specification 781,289 is referred to.
Patent GB-897322-A (GB)
Title: Method and apparatus for closing a paper or like bag
IPC: B65B7/02
Filed: 1958-09-10
Abstract: 897,322. Packaging-machines. KLEIN, E. Sept. 10, 1958 [Jan. 10, 1958], No.3866/62. Divided out of 897,321. Class 94(1). Paper or like bags 1 having valve inserts 78, 78<SP>1</SP>, Fig. 7, provided with a bituminous thermoplastic material 76 for sealing the valve when the material is exposed by pulling outwards the face end of the inserts, are closed in an apparatus comprising a conveyer 71 for transporting the filled bags to a second conveyer 72 arranged adjacent a heating rail 73, so that the corner 75 of each bag may slide over the rail, and a gripping and pulling device 79 for subsequently moving the face end of the insert. The heating rail 73 may be replaced by radiators, Figs. 3 and 4 (not shown). In a modification, Fig 5 (not shown), the bags are delivered from the conveyer 71 into holders secured to a second conveyer which carries them round until they are base downwards and resting on a third conveyer associated with a heating rail which extends upwardly in an are at a distance from the second conveyer equal to the length of the bags. In each embodiment a cold air blower and spray device are provided, as at Y in Fig. 1. Heating may be electrical, by steam or hot water.
Patent GB-939186-A (GB)
Title: Improvements in centralised lubrication systems
IPC: F16N27/00
Filed: 1962-02-01
Abstract: 939,186. Lubricating. C. VOGEL, [trading as W. VOGEL, [Firm of]]. Feb. 1, 1962 [Feb. 7, 1961 (2)], No. 3900/62. Class 12 (3). In a dosing device for centralized lubricating systems wherein a double-acting valve member 7 alternately unmasks the connection to the main lubricant-receiving pipe 3 and closes a central outlet pipe 6 to the lubricating point, and viceversa, there is mounted at a distance above the valve member 7, a nipple 9 which, with a peripheral packing 10 and a central passage 5 leading to the outlet pipe 6, bears with one end face facing towards the valve member 7 against an annular shoulder at 8 and at its other end face, is clamped against the shoulder, preferably with an interposed packing 13, by a screwthreaded pipe socket 12 holding the outlet pipe 6 and inserted in the housing 1 of the device. The housing 1 may be cast in one piece with a housing for an air chamber 18, as shown, carrying a threaded (at 21) insert element 22 to regulate the internal volume by variable adjustment thereof and also replaceable by insert elements of different lengths for this purpose. The latter housing communicates with the housing 1 through a centre bore 24, and a transverse bore 25 in the element 22 and a duct 23 where and as shown. Oil may thus be forced from the chamber 18 through passages 24, 25 and 23, chamber 4 and passage 5 into the pipe 6, the valve member 7 being then returned by the spring 16 to close the bore 2.
Patent GB-253566-A (GB)
Title: Apparatus for coupling agricultural implements to tractors and automatically regulating the depth of work
IPC: A01B63/111
Filed: 1925-02-12
Abstract: 253,566. Ferguson, H. Feb. 12, 1925.. Couplings for tractors, - Apparatus for coupling agricultural implements to tractors and automatically regulating the depth of work comprises a draught connection between the implement and the tractor adapted to control the operation of the power unit in accordance with variations in the draught. The plough 6, Fig. 1, is supported by a bell-crank lever 16 pivotally mounted on the tractor, and is connected by a draught link 7 to a pivoted lever or rocker 9 provided with a spring 8 for balancing the pull.Movement of the lever 9 under the varying pull operates a switch 12 and causes an electric motor 13 to rotate an internally-threaded sleeve 14 and thus move a screwed rod 15 connected to the boll- .orank lever 16. In order to overcome torsional stresses, the bell-crank lever 16 may be of duplex construction with its two parts ad. justable in length, the draught link 7 also being of compound construction and the plough frame being provided with two upstanding members 16<b> spaced apart laterally and inclined towards one another and pivotally connected at 16a to the lever 16. In the modification partly shown in Fig 5, the implement head 29 is connected by draw pins 27, 28 to two lugs 27a, 28a on the tractor, the bell-crank lever 16 and rocker 9 being pivotally mounted on the head 29. A push rod 31 on the bell-crank lever 16 bears on one arm of a two-armed rocker 30, the other arm of which is connected to the rod 15. The rocker 9 is controlled by a compression spring 8 and is connected with the controlling-rod 10 through a rod 9<c> and a pivoted lever 10<c>. In another arrangement, the bell-crank lever 16 engages the end of a worm shaft through which the axle of the tractor is driven, the worm shaft being mounted so that it may move axially when its end thrust varies in accordance with the draught of the implement. The lever 16 moves with the worm shaft and regulates the depth of work. In the arrangement shown in Fig. 12 hydraulic control apparatus is employed. The plough frame 34 is supported by links 35 and pulled by draught links 7 attached to a rocker 9 controlled by a spring 8. Any variation in pull is communicated through the rocker 9 to a spring-controlled bell-crank lever 38 which operates a valve 40 and controls the pressure of the oil or other fluid in a cylinder 41, in which works a piston 51 connected by a rod 52 to the links 35. The bell-crank lever 38 is mounted on an eccentric which is adjustable by means of a lever 42 to vary the normal depth - of work &c.
Patent GB-284476-A (GB)
Title: Metal chisel guard
IPC: B25D3/00
Filed: 1927-02-12
Abstract: 284,476. Fosbrook, W. Feb. 12, 1927. Tool edges.-A guard for the edge of a chisel is formed from a piece of metal 1 which is swaged at 2 to form a spring with a rectangular base, both ends being brought close together to grip the chisel. The sides 3 are bent up while the edge of the top piece is slightly rolled back.
Patent GB-436364-A (GB)
Title: Improvements in brakes
IPC: F16D65/22
Filed: 1934-02-07
Abstract: 436,364. Internal-expanding brakes. BARKER, G. G., 14, High Holborn, London.- (Bendix Aviation Corporation; 105, West Adams Street, Chicago, U.S.A.) Feb. 7, 1934, No. 4033. [Class 103 (i)] Relates to internal-expanding brakes of the type comprising a pair of shoes each arranged to anchor at one end or the other according to the direction of rotation of the drum and having actuating means at each pair of adjacent shoe ends. In Figs. 1 and 2 the shoes 114, 116 are applied by a pair of hydraulic cylinders 26 and a single adjustable anchoring device is disposed between the shoe ends comprising a pin 52 screwing into a fixed casing 60 and having a conical head 54 against which abuts the ends of a pair of links 56 pivoted to the shoes and guided in extensions of the casing 60. The pistons 30 are smaller than the pistons 28 so that those ends of the shoes which engage the anchors when the brake is applied with the drum rotating in the normal direction do not leave the anchors. A normal light pressure may be maintained in the hydraulic system so that when the shoes are adjusted by the anchors, the pistons follow up. In another construction, Fig. 5, the cylinders constitute the adjustable anchorage means. Each cylinder is divided by a partition 106 into two chambers containing respectively pistons 328, 330 of unequal diameter and the liquid is supplied to the chambers past conical valves 310 having fixed seatings 312. If by reason of wear one or other of the brake shoes 314, 316 is not fully applied when the corresponding valve reaches the left-hand position, additional liquid flows past the valve and is trapped in the piston chamber when the brake is released, thus maintaining a predetermined clearance of the shoes. In a further construction, Fig. 7, each shoe has a pivotal anchorage at one end on a pin 82 and a sliding anchorage at the other end against the piston 76 which is shouldered at 78 to engage the cylinder end. Adjustment of the shoes is provided for by a pin 74 screwing into the piston and having a star-wheel 72 by which it can be turned, the wheel being locked by a spring-pawl carried by the cylinder. The pistons are of equal diameter in this case and to prevent movement of the piston 76 in brake applications with normal direction of drum rotation, this piston then serving as the anchor the release spring 96 for the corresponding shoe end is stronger than the spring 98 for the other shoe end. Specification 436,433 is referred to.
Patent GB-384840-A (GB)
Title: Improvements in distributing valves and valve gear for fluidpressure percussive tools
IPC: B25D9/16
Filed: 1932-02-11
Abstract: 384,840. Percussive drills. CHICAGO PNEUMATIC TOOL CO., 6, East 44th Street, New York, U.S.A.- (Assignees of Stevens, E. W.; 6201, 2nd Boulevard, Detroit, Michigan, U.S.A.) Feb. 11, 1932, No. 4091. Convention date. Feb. 12, 1931. [Class 124.] In percussive tools of the kind described in Specifications 358,398 and 375,204, fluid-actuated, auxiliary-exhaust, ball valves 15, 16 are arranged in a cover 13 on the end of the cylinder arranged in the handle, and control vent ports 11a, 12a from the valve chambers 11, 12 leading to atmospheric ports 18a. A push-rod 17 is arranged between the valves so that they move in unison. The main supply ports 9, 10 are connected to the chambers 11, 12 so that the admission of fluid by the main valve to one of these ports moves the ball valves and opens the vents to permit an auxiliary exhaust from the other end of the cylinder. The main exhaust port 7 is arranged forwardly of the centre of the cylinder.
Patent GB-475092-A (GB)
Title: Improvements in and relating to the manufacture of cigarettes
IPC: A24C5/20
Filed: 1936-02-11
Abstract: In the manufacture of code-marked cigarettes, a web passes through printing-apparatus for applying code-marks to one edge, and then passes, code-marks uppermost, through rodforming mechanism and is so folded that the code-marks lie beneath two layers of the web.  A bronze or other tobacco-colour ink is preferably used for printing the code-marks.
Patent GB-651419-A (GB)
Title: Treating iron salt solutions
IPC: C01G49/08
Filed: 1948-02-13
Abstract: In making a black hydrated ferroso-ferric oxide and an iron-free ammonium salt directly from ammonia and an iron salt by a process wherein an aqueous solution of the iron salt containing ferrous and ferric iron, e.g. waste pickle liquor, is introduced into an aqueous ammonia bath and dispersed in the bath, preferably by agitation, as soon as it is introduced, sufficient ammonia being maintained in the bath to maintain the pH value thereof greater than 7, so as to produce a black precipitate of hydrated ferroso-ferric oxide and a solution of the ammonium salt corresponding to the acid radical of the iron salt, the dilution of the ammonium salt is maintained so high and the iron salt is introduced into the bath so slowly that no iron exists in soluble form in the bath whereby the precipitate is obtained in granular form.  The process, which may be batchwise or continuous, may be applied to the treatment of iron salt solutions containing only a little ferric iron, solutions containing less than two-thirds of the total iron as ferric iron being oxidized to bring the ferric iron content up to this ratio before the solution is charged into the reactor.  The oxidation may be effected by admission of air through a diffuser element made, e.g. of porous carbon.  The precipitation is preferably effected at 75-100 DEG  C., and the precipitate may be separated by settling or filtration to yield a water-white supernatant liquor or filtrate which may be evaporated to yield white crystals of an ammonium salt, e.g. ammonium sulphate or ammonium chloride.  The separated ammonium salt solution may be recycled to absorb more ammonia and the enriched solution fed to the reactor.
Patent GB-179620-A (GB)
Title: Improvements in fuel economisers for domestic firegrates and the like
IPC: F24B1/193
Filed: 1921-02-05
Abstract: 179,620. Morris & Wilkinson, Ltd., and Wilkinson, J. W. Feb. 5, 1921. Fuel-economizers ; trivets.-Fuel-economizers of the kind adapted to hang in front of the firebars or to be inserted directly behind them are made of grooved or corrugated sheet metai, being preferably stamped flat from sheet steel and afterwards grooved or turned up in dies. Various modifications are described and shown. Fig. 1 shows a front grid a made integral with a bottom grid b and fitted with feet c which pass between the grate-bars. Fig. 3 shows a grid a, hinged to a frame b<1> having hooks d for engaging the topbar, which also serves as a trivet.
Patent GB-1045045-A (GB)
Title: Improved catalyst composition and process for the recovery of sulphur compounds from gas mixtures
IPC: C01B17/79
Filed: 1964-01-31
Abstract: Gaseous sulphur compounds are recovered from combustion gases by contact with, adsorption on and desorption from a catalyst containing 0.5-8% V2O5 and 0.01-10% K2O on Al2O3.  Subsequently the gaseous sulphur compounds may be oxidized initially to SO2 and eventually to SO3 in the presence of the same catalyst at an elevated temperature. Oxidation to SO3 may be effected batchwise or continuously in fixed or fluidized bed processes respectively.  Optimum results are attained by oxidizing at 430 DEG  C.ALSO:Oxidation catalysts comprise essentially Al2O3 with 0.5-8%V2O5 and 0.01 to 10% K2O.  The catalyst may take the form of particles of 2-5 mms. or less and may be used in fixed or fluidized beds.  Conventional preparative techniques are described.
Patent GB-778870-A (GB)
Title: Measuring device for testing the delivery of fuel injection pumps
IPC: F02M65/00
Filed: 1955-02-14
Abstract: 778.870. Testing fuel injection pumps. SATZGER, E. Feb. 14, 1955 [Feb. 15, 1954], No. 4283/55. Class 102(1) [Also in Group XVIII] A measuring device for testing the delivery of F.,I. pumps comprises tiltable elongated collecting vessels 6, 6<SP>1</SP> having a tilting axis for emptying disposed close to the mouths 15. The vessels 6, 6<SP>1</SP> are mounted on a frame 7 which is pivotable about a shaft 8 rotatable in pivoted links 10. 11, and having parts 17. slidable on walls 18, about which the frame 7 pivots in clockwise direction, Fig. 1. In operation the full vessels 6 swing to the emptying position 6a while the parts 17 move vertically downwards, further rotating bringing the vessels 6<SP>1</SP> to the Riling position. The mouths of the vessels care provided with beaks 19 on which the fuel impinges. The wall 1 is made of transparent material to allow observation of the contents of the vessels.
Patent GB-197415-A (GB)
Title: Improvements in means for driving deck machinery on board of small motor craft
IPC: B63J3/02
Filed: 1922-02-14
Abstract: 197,415. Cappellen, T. A. van., and Naamlooze Vennootschap Machinefabriek Bolnes voorheen J. H. van Cappellen. Feb. 14, 1922. Net and line hauDers. - On vessels having internalcombustion engines as main propelling plant, the deck machinery such as a winch, windlass, or the like is driven from the main engine through gearing which includes a reversing clutch. The engine shaft 1 is connected by a belt 3 with an auxiliary shaft 4 on the deck, this shaft being connected to a second shaft 5 through a reversing clutch. The second shaft is connected bv a dog clutch 7 to the winch 12.
Patent GB-1321394-A (GB)
Title: Cathodoluminescent phosphoros
IPC: C09K11/77
Filed: 1972-02-01
Abstract: 1321394 Luminescent materials FORD MOTOR CO Ltd 1 Feb 1972 [8 Feb 1971] 4620/72 Heading C4S A cathodoluminescent phosphor comprises a homogeneous solid solution of YAl oxide and Ce having a garnet structure and a formula Y 2 . 7 Ce 0 . 3 Al 5 O 12 . The phosphor is prepared by dripping mixed solutions of Y(NO 3 ) 3 , Ce(NO 3 ) 3  and AlCl 3  into stirred hydroxymethyl aminomethane buffered with HCl to a pH of 7 to 7À5 and maintained at this pH by adding NH 4 OH. The resultant hydroxide precipitate is dried at 100 C. and fired at a slowly increasing temperature to 1400 C. in a reducing atmosphere of flowing H 2 , H 2 -N 2  or CO. The phosphor is used in flying spot scanners of automatic address readers. Specification 1,283,878 is referred to.
Patent GB-562524-A (GB)
Title: Improvements in or relating to inking mechanism for rotary printing presses
IPC: B41F31/00
Filed: 1943-03-22
Abstract: 562,524. Rotary machines. GOSS PRINTING PRESS CO., Ltd. March 22, 1943, No. 4648. Convention date, April 21, 1942. [Class 100 (ii)] Inking-apparatus.-In an inking apparatus for a rotary printing machine, particularly one using water base inks, a forme-inking roller 31 is positively driven from the press at a speed instantaneously variable during running, e.g. by means of a belt 37 of trapezoidal section connecting a grooved pulley 35 on the roller 31 with a variable diameter pulley 36 on the shaft of the impression cylinder 11. The pulley 36 comprises two parts 40, 41, Fig. 2, pressed together by a spring 43 and its diameter is adjusted by varying the tension of the belt 37 by means of a roller 48 adjusted by a screw 52. The distributing drum 24, duct roller 21, transfer roller 22, which may have a spiral or a number of circumferential ribs, the duct blade and the inside of the duct may be formed of rustless material or may be chromium plated, and the rollers 23, 25, 26, 27, 30 and 31 may be of rubber or composition.
Patent GB-457243-A (GB)
Title: Aerating device for use in the production of acetic acid from alcohol
IPC: C12J1/10
Filed: 1936-02-17
Abstract: An aerating device in an acetifying-vat comprises eight perforated ebonite tubes, open at both ends and arranged to pass through the vat walls in two tiers of four tubes each.
Patent GB-1359571-A (GB)
Title: Push button tuning mechanism
IPC: H03J5/12
Filed: 1973-01-24
Abstract: 1359571 Releasable fastenings IMPERIAL METAL INDUSTRIES (KYNOCH) Ltd 24 Jan 1973 [1 Feb 1972] 4706/72 Heading E2A [Also in Divisions F2 and H3] The specification describes a latch 35 for tuning spindles 13 of a push-button tuning mechanism having a plurality of push-buttons. On pressing a push-button 12 a lever 30 moves the associated tuning spindle 13 to the right. A cam surface 25 on a sleeve 19 engages and moves a latch plate 35 so as to release a previously selected tuning spindle which returns under the action of its associated spring 22. A spring 37 now returns the latch plate 35 to engage a shoulder 24 of the selected tuning sleeve 19 so that the selected tuning spindle 13 is retained in the preset tuning position. The button 12 is returned by a spring 34. The end adjusting portion of the tuning spindle 13 now extends outwardly from the end adjusting portions of the remaining spindles associated with the other push buttons.