baber/WOPTO huggingface dataset:
Patent GB-299393-A (GB)
Title: Process and apparatus for the manufacture of glass
IPC: C03B5/02
Filed: 1928-10-23
Abstract: 299,393. George, H. Oct. 25, 1927, [Convention date]. Induction furnaces.-In a furnace for the manufacture, of glass the glass i is heated by direct contact with a bath h of molten tin which is heated by electricity. An auxiliary furnace containing a reserve of the bath metal is connected to the crucible c so that the level of the bath may be raised or lowered. The crucible is provided with lagging d and a cover e, and rests on a foundation f. The furnace may he mountead on rails or a tilting base to facilitate discharging. Fig. 2 shows a crucible in which when fining is to take place the bath level is raised from 1 to 2 ft. with a consequent raising of the glass level from. 1 ft. to 2 ft. The width of the cross-section is much greater at the upper levels so that the glass is present as a thin layer during fining. Partitions k are provided to enable different operations to be.performed in different parts of the crucible at the same time. A graphite ring may 'be present in the crucible to facilitate starting. Specification 279,818 is referred to. According to the Specification as open to inspection under Sect. 91 (3) (a) the furnace may be used for spreading sheets, softening, or annealing. This subject-matter does not appear in the Specification as accepted.
Patent GB-844768-A (GB)
Title: Improvements in or relating to endless track units for vehicles
IPC: B62D55/08
Filed: 1956-10-08
Abstract: 844,768. Endless track vehicles. LUDOWICI, J. W. Oct. 8, 1956 [Oct. 7, 1955], No. 30682/56. Class 79(1). An endless track unit for a vehicle, comprises a track 9, at least three supporting rollers 1, 2, 3, a guiding roller 4 and a resiliently supported frame 5, 6, 7, 8 on which the supporting rollers are disposed symmetrically with respect to the guide roller. The axes of rollers 3 and 4 and of rollers 1 and 2 are interconnected by resilient means 12, 13 respectively, which may be springs, hydraulic or pneumatic devices, the roller 3 being able to move vertically to negotiate ground irregularities, and roller 4 being mounted in brackets 11 of the vehicle frame 10 to permit the track unit to swing about the axis of roller 4. Two parallel vertical resilient means may be used with a single horizontal resilient means between them, double rollers being used. Each roller 1, 2, 3 may be replaced by a set of two or more rollers disposed after the style of a balance beam. In Fig. 8, the rollers 1, 2 are arranged at the free ends of angle levers 15 whose other ends are articulated eccentrically at 17 to a vertical rigid member 18. carrying rollers 3, 4 and rigidly joined to frame 10 by plates 19, the levers 15 being connected by piston and cylinder 23, 22 at their bends 21. The member 18 may be pivot to frame 10 at axis 20 of roller 4.
Patent GB-323586-A (GB)
Title: Improvements in and relating to bottle and other labelling machines
IPC: B65C9/02
Filed: 1928-10-24
Abstract: 323,586. Purdy, P. J. Oct. 24, 1928. Affixing labels. - A device for converting a bottle &c. labelling machine of the kind in which the articles are placed by hand upon a fixed support into a machine through which the articles are automatically fed comprises an endless band &c. conveyer fitted with forked carriers for the bottles &c. and intermittently operated to present the bottles &c. to the label attaching station and subsequently, to wiping devices. The conveyer comprises chains passing over sprockets 13, 13<a> mounted at the ends of a horizontal shaft, the shaft 13 being driven through ratchet mechanism 46 from a longitudinal shaft 24 driven through a hand-operated clutch 31; overdriving of the conveyer is prevented by a cam-operated catch engaging teeth on a wheel on the shaft 13. The bottles &c. are carried on fonks 21 and have labels applied thereto by a reciprocating picker 9, the labels being separated by adhesive pickers 3 from the bottom of a pile 2. The labels are subsequently wiped by wipers 53 comprising sponge-rubber &c. mounted on a plate 55 connected with a vertical rod 65 reciprocated by cam mechanism from the shaft 13. The bottles &c. may be supported in an upright position on the conveyer the labelling and wiping devices being appropriately modified.
Patent GB-846369-A (GB)
Title: Coating of sheet materials
IPC: B32B15/08
Filed: 1958-09-26
Abstract: A copolyester is prepared in a reactor which has been evacuated and filled with nitrogen.  A molten mixture of glycol terephthalate (see Group IV(a)) and 2,2-bis[4(beta-hydroxyethoxy)-phenyl]-propane is charged through a long conical funnel into the reactor.  A polymerization catalyst, ethylene glycol titanate, is placed in the funnel so as to be carried into the reactor by the charge.  An agitator in the reactor is started, heat is supplied and pressure slowly reduced. The polymer is discharged when it reaches an intrinsic viscosity of about 0,65 to 0,70.ALSO:Bis-beta-hydroxyethyl terephthalate is prepared by charging a molten mixture of dimethyl terephthalate and ethylene glycol into a flask equipped with a heating mantle, fractionating column, nitrogen inlet tube and stirrer.  Ester interchange catalysts (zinc acetate and manganese acetate) are added at a temperature of 140 DEG C.  The temperature is slowly raised, and the methanol evolved is swept out in a slow stream of nitrogen.  The reaction is complete after 45 minutes at 200 DEG C.
Patent GB-766346-A (GB)
Title: A process for decoppering regenerated cellulose threads obtained by spinning from a cuprammonium solution
IPC: D01F2/04
Filed: 1953-11-09
Abstract: <PICT:0766346/IV(a)/1> Regenerated cellulose yarns spun from cuprammonium cellulose solutions by the funnel method are led as a warp through at least two pairs of baths, each pair comprising a decoppering bath and a washing bath.  As shown, a warp 1 of cuprammonium rayon threads spun by the funnel method is conducted through decoppering baths 9 and 11 and washing baths 10 and 12. Fresh water is supplied to bath 12 through a pipe 13, and from bath 12 the now slightly acidified liquid is supplied through a pipe 14 to bath 10.  From bath 10 the liquid is taken by a pipe 15 to a tank 16, where its acid content is adjusted by additional sulphuric acid supplied through a pipe 17, and the resulting solution is conducted through pipe 18 to the decoppering bath 11, from which the acidified liquid overflows through pipe 19 into bath 9 and is taken through pipe 20 to a regenerating system.
Patent GB-427289-A (GB)
Title: Filing card supports
IPC: B42F17/00
Filed: 1934-10-29
Abstract: 427,289. Visible card-indexes. DUNNE & SOPER, Ltd., Hope Chambers, Ottawa, Canada. Oct. 29, 1934, No. 30945. Convention date, Nov. 8, 1933. [Class 146 (i)] A support for filing-cards of the kind in the form of a panel having one or more pairs of runways for mounting the filing-cards in visible overlapping relation, comprises a single metal sheet 10 provided with parallel metal strips 11, 12 secured to one face in any convenient manner, one longitudinal edge 14 of each strip constituting a projection or shelf spaced from the face of the panel to provide the runway for the filing-cards. The top and bottom edges 15, 16 may be folded to form reinforcing flanges ; the bottom flange acts as a stop for the lowermost card. Openings 17, 18 may be provided for indexing purposes.
Patent GB-990005-A (GB)
Title: Azide compound
IPC: C07C233/00
Filed: 1963-08-06
Abstract: A new compound, cyanogen azide of molecular formula CN4 and principal resonance hybrid structures <FORM:0990005/C1/1> its preparation and compositions containing it, are described.  It may be prepared by reacting cyanogen fluoride, chloride bromide or iodide with a metal azide, ammonium azide or organoammonium azide, in a non-aqueous solvent. The metal azide may be lithium, sodium, potassium, caesium, magnesium, calcium, barium, silver, lead, mercurous, cuprous, ferrous or ferric azide.  The organoammonium azide preferably containing up to 18 carbon atoms per molecule may be a mono-, di-, tri- or tetraalkyl, monoaryl, monaralkyl or trialkyl-aralkyl ammonium azide, or pyridinium or quinolinium azide.  Suitable solvents are free of aliphatic unsaturation and include excess cyanogen halides, aromatic or saturated aliphatic hydrocarbons or halo-hydrocarbons, alcohols, ethers, esters, carboxylic acids, aldehydes, ketones, acetals, ketals, nitriles, nitrohydrocarbons, amides, N,N-disubstituted amides, sulphides, sulphoxides, sulphones and silicones, particularly pentane, acetonitrile, ethyl acetate, benzene, s-tetrachloroethane, ethanol and dimethyl formamide.  The boiling point of the solvent is preferably above that of the cyanogen halide and above room temperature.  Reaction may take place under anhydrous conditions and under nitrogen at - 50 - + 50 DEG  C., the cyanogen halide being added to excess azide or azide to excess cyanogen halide, or the reactants may be added simultaneously in near equivalent proportions. Metal halide by-product may be removed by filtration and the solution of cyanogen azide stored as such.  Alternatively, the cyanogen azide solution may be concentrated by evaporation or low temperature distillation and stored in solution, suitable solvents being those suitable as the reaction medium.  1-99%, preferably 10-50% solutions may be stored at - 30 DEG  to 0 DEG  C. Cyanogen azide may also be stored by adsorption on a solid inert carrier, e.g. diatomaceous earth, active alumina, charcoal or silica gel, by mixing a solution in e.g. acetonitrile with the adsorbent and removing the solvent under vacuum in a rotary evaporator.  Cyanamide is obtained on reduction of cyanogen azide with hydrogen sulphide.  Preparation of "active" sodium azide, by treatment with hydrazine hydrate is described.ALSO:An isomeric mixture of 3 - azatricyclo- [3.2.1.02.4 octane - 3 - carbonitrile and bicyclo-[2.2.1] heptan - 2 - cyanoimine is formed by the reaction of cyanogen azide (CN4-for preparation see Division C1) and bicyclo[2.2.1]-hept-2-ene.ALSO:Cyanogen azide (CN4-for preparation see Division C1) is used as a blowing agent for polymeric materials.  A solution of the azide in e.g. dioctyl phthalate, or the azide adsorbed on e.g. diatomaceous earth may be dispersed in the polymer, e.g. polyvinyl chloride, and the mixture heated to evolve nitrogen.
Patent GB-1148476-A (GB)
Title: Improvements in or relating to carburettor fed internal combustion engines
Inventor: KLAUS KARL-HEINZ
IPC: F02B23/08
Filed: 1967-07-05
Abstract: 1,148,476. Cylinders. ROBUR WERKE ZITTALL VEB. July 5, 1967, No.30983/67. Heading F1B. In an overhead valve engine with a troughshaped combustion chamber 4 in the cylinder head, the sides 5 of the chamber are inclined to the cylinder axis in such a manner that they are substantially tangential continuations of the curved upper wall of the respective inlet and exhaust passage. The inclination of the walls 5 increases progressively from the part opposite one port 1 to that opposite the other port 2.
Patent GB-356968-A (GB)
Title: Improved method of rolling sections having transverse ribs
IPC: B21H7/00
Filed: 1930-10-16
Abstract: 356,968. Rolling. SEIFERTH, H., 53, Kolumbusstrasse, Obercassel, D³sseldorf, Germany. Oct. 16, 1930, No. 30986. Convention date, Dec. 19, 1929. [Class 83 (iv).] In rolling sections having transverse ribs or an irregular profile, e.g. a bar 1 with spaced transverse ribs 2 by means of a roll 5 and platen, the platen is fitted with block 3 with oversize sides 4 so that, after rolling, the rough edge of the metal can be machined down to size. In Fig. 6 the block has an apex bottom 6 to squeeze the metal towards the sides during rolling before machining along the chain-dotted line. The transverse ribs may merge gradually into the bar 1. The sides of the bar itself may also need machining. The undercut recess in Fig. 8 is provided to receive air trapped by the rolling, the metal not entering the undercut itself.
Patent GB-219724-A (GB)
Title: Improvements in and relating to breast-drills
IPC: B23B45/06
Filed: 1923-04-17
Abstract: 219,724. Whiteway, F. C., C. April 17, 1923. Hand and breast drills are provided with flywheels. In a drill having two small bevel pinions, the spindle d of the upper pinion is extended to form a bearing at g and carries a flywheel e situated under the breast plate h. The side supports for the breast-plate, which are extended to clear the flywheel, may be attached to the body a or may be cast integral therewith. A tapped hole i in the breast-plate is adapted to receive the side hamdle of the drill when great pressure is not required. In a drill having a single small bevel pinion on the tool spindle, a smaller flywheel of heavier cross-section is secured between the chuck and the outer bearing, or the chuck spindle may be extended upwardly to receive a flywheel housed under the breast-plate as in the Figure. Reference has been directed by the Comptroller to Specifications 14799/84, 28944/09, 27600/11, and 25455/12.
Patent GB-431777-A (GB)
Title: Improvements relating to carbon iron alloys
IPC: C21D8/00
Filed: 1933-11-08
Abstract: 431,777. Working iron-carbon alloys. NIPPER, H., 2, Pontwall, Aix-la-Chapelle, Germany. Nov. 8, 1933, No. 31145. Convention date, Nov. 8, 1932. Drawings to Specification. [Classes 83 (ii) and 83 (iv)] Working at specified temperatures.-Alloys of iron and carbon, which contain carbon in the form of graphite, are rolled or otherwise shaped between 950‹ C. and 1150‹ C. Alloys may contain 2 per cent of silicon and 3 per cent of carbon or 2À4 per cent of silicon and 3À8 per cent of carbon. Some of the carbon may occur in the combined state, and the basic material may be cementite or ledeburite. Plates may be rolled out with steel plates, and may be welded thereto during rolling, the edges being previously welded together. The material may be rolled between heavy plates in the last stages. Piston rings, transformer plates, springs, lathe material, brake drums and linings, and tools such as chisels may be produced from the various forms of the material. According to the Specification as open to inspection under Sect. 91, the invention relates to rolling, forging, hammering, drawing or otherwise working pig iron, grey and white cast iron, white malleable pig iron, and annealed malleable pig iron, temperatures from room temperature upwards being referred to. By varying the conditions and manner of rolling, any base such as austenite, ferrite, pearlite, martensite, troostite or sorbite and containing cementite, ledeburite, graphite, or temper carbon is obtained. Alloying metals may be included such as one or more of manganese, nickel, cobalt, copper, zinc, molybdenum, tungsten, vanadium, chromium, titanium, aluminium, and beryllium. Alloys containing carbon up to 4À5 per cent, with varying amounts of silicon, are referred to. A ferritic structure may be produced by rolling and annealing. The materials may be surface hardened as by nitrogenizing, or the surface may be modified by diffusion or cementation in any solid, liquid, or gaseous agent. They may be provided with a zinc-tin or other coating. Further details, including the prior casting step are given of the manufacture of piston-rings, and brake drums, and the invention is also applied to the manufacture of composite or other bearings, liners or bushes, corrugated or other patterned plates, girders and profiled sections, grate bars, enamelling plates, armourings or reinforcements, road making and floor slabs and material, and to built-up machine and other frames and casings. This subject-matter does not appear in the Specification as accepted.
Patent GB-972713-A (GB)
Title: Electric contactor with bridging contacts
Inventor: MAIS ADOLF ROLF
IPC: H01H50/16
Filed: 1961-08-30
Abstract: 972,713. Electromagnetic relays. HAGGLUND & SONER. A.B. Aug. 30, 1961, No. 31178/61. Heading H2B. Magnetic moving contact bridges normally adjacent to a fixed core are repelled away from the core on energization of a coil surrounding the core and the bridges. As shown in Fig. 1, the magnetic contact bridges 16, 18 are biased by springs (not shown) to the position shown adjacent the fixed core 14. On energization of the coil 12 the members 16, 18 move so that contacts 20 thereon engage fixed contacts 22, 24, 26, 28. External connections are arranged so that current in bridges 16, 18 is in opposite directions causing electrodynamic repulsion to increase the contact pressure. A magnetic casing 32 completes the magnetic circuit. In Figs. 2 and 3, six cylindrical moving contact bridges 40, 42, 44, 46, 48 and 49 are separated by insulating walls 54 and normally engage a fixed core 50. Contact sleeves 60 on the ends of the bridges co-operate with fixed contacts 62 on iron segments 66 insulated from each other and from casing 68. Adjacent bridges carry currents in opposite directions to cause electrodynamic repulsion.
Patent GB-1510685-A (GB)
Title: Aromatic o-hydroxyaldehydes a process for their preparation and their utilization
IPC: C07D471/06
Filed: 1975-07-25
Abstract: 1510685 1,8 - Dicarboxy - 3 - hydroxy - 4- aldehyde - naphthalene and its derivatives HOESCHT AG 25 July 1975 [26 July 1974] 31179/75 Heading C2C The invention comprises compounds (I), wherein each X is a free or esterified carboxylic group or together they represent a group of the formula or (A), where R is hydrogen, amino, hydroxy or etherified hydroxy or an aliphatic; cycloaliphatic; aromatic, or heterocyclic radical, optionally substituted; and A is an optionally substituted phenylene or naphthalene radical. Methods of preparation are described.
Patent GB-1157355-A (GB)
Title: Improvements in or relating to Tongs for Handling Heavy Products
IPC: B66C1/30
Filed: 1967-07-06
Abstract: 1,157,355. Lifting tongs. COCKERILLOLIGBEE-PROVIDENCE. 6 July, 1967 [19 Aug., 1966], No. 31191/67. Heading B8H. To close the jaws 11, 12 of a pair of tongs on to a load, a remotely controlled electrically operated valve 21 is moved to the right so that oil from an accumulator 18 can flow through ducts 20, 23 to raise a piston-rod 25a thereby increasing an angle A between arms 8b, 9b. When the load is raised by a hook 4 a piston 5 is pulled down by a rod 7 and oil is forced through a duct 2c into an accumulator 15. To set the load down the valve 21 is moved to the left and pressure oil from the accumulator 18 flows via ducts 20, 24 and lowers the piston-rod 25a to open the jaws. As soon as the jaws are opened the jaws rise due to pressure fluid from the accumulator 15. Oil which was drawn from a reservoir 16 into chamber 26 during lifting is forced into the chamber 18c of the accumulator 18. The tongs are rotated about a vertical axis by a ram 27 controlled by a valve 28 and powered by oil from the accumulator 18. Rotation in both directions is possible. The tongs may be radio-controlled.
Patent GB-925341-A (GB)
Title: Improvements in and relating to circuit interrupter units
IPC: H01H33/42
Filed: 1961-08-30
Abstract: 925,341. Oil-break switches. BROWN, BOVERI & CO. Ltd. Aug. 30, 1961 [Sept. 1, 1960], No. 31198/61. Class 38 (5). In a liquid-filled circuit-breaker the interrupter unit comprises a chamber enclosing the engaged resiliently-mounted fixed contact and co-operating moving contact which is solidly connected to a cylinder surrounding the chamber and movable with the contact so as to drive the liquid, preferably oil, into the contact chamber during contact opening movement. As shown, the nozzle-shaped moving contact 4 is connected by a cylinder 2a and a rod 13 to a cylinder 2 which surrounds the contact chamber 3 and co-operates with a body part 1 which acts as a fixed piston in the movable cylinder 2. During a circuit-breaking operation the contact 4 and cylinder 2 are moved down (as shown on the left-hand side of the Figure) by a rod 8 and a valve formed by the cylinder end 10 and a ring 6 is closed so that oil is driven along the arrowed path shown through the arc formed between contacts 2, 5. During a closing operation the valve 6, 10 is open, to an extent limited by stops 14, to allow oil to flow back into the cylinder 2.
Patent GB-713416-A (GB)
Title: Improved oil seal and drainage device for vertical rotatable shafts
IPC: F16C33/74
Filed: 1952-12-10
Abstract: 713,416. Stuffing-box substitutes. GENERAL MOTORS CORPORATION. Dec. 10, 1952 [Dec. 20, 1951], No. 31229/52. Class 122(5) An oil seal and drainage device for a rotatable vertical shaft 16 comprises an annular housing 66 of inwardly C shaped section having ir its upper wall 72 a cylindrical surface 82 facing the shaft and in contact with a ring 92 slidably housed in a groove 87 in a member 86 rotatable with the shaft, separate drain passages 106 and 108 being, provided respectively from the upper surface of the upper wall 72, and the interior of the housing 66. Oil is supplied under pressure to the shaft bearing 28 and the majority of the oil leaking therefrom is collected in a recess 80 in the upper wall 72 and drained via passage 106, the remainder of the leakage oil being caught in a space 94 between the housing 66, and the member 86 and used to lubricate the ring 92, that which passes the ring being flung outwardly by a flange 100 on the member 86 and drained via passage 108. The housing and the ring 92 may be diametrically split.
Patent GB-794249-A (GB)
Title: Acoustic alarm device
IPC: G10K5/00
Filed: 1956-10-15
Abstract: 794,249. Pressure alarms. SVENSKA AKTIEBOLAGET GASACCUMULATOR. Oct. 15, 1956 [Oct. 13, 1955], No. 31297/56. Class 106 (2). An acoustic alarm device for indicating decrease of pressure of a gas in a container 1 below a predetermined level having a valve 2 closed by the gas pressure, a spring-urged plunger 5 adapted to open the valve, and a sound-producing member 9 has the plunger in the form of a piston 11 slidable in the spring chamber and sealing it from the valve chamber, a passage 8 being provided between the upper and lower faces of the piston 11 to admit only the amount of gas required for the alarm. The device is threadedly connected with the container 1. The pressure of gas in the container together with the action of a relatively weak spring 3 serves to hold the valve 2 closed against the action of the plunger 5 acted on by a spring 4. A screw 6 regulates the tension in the spring 4 so that the alarm device 9 responds at the desired pressure. The plunger 5 is in the form of a piston having a tight fit against the wall of the spring chamber, this being obtained by means of an elastic disc 7, The spring chamber is connected to the sound. producing pipe 9 by means of a boring 10 larger than the boring 8, which allows just sufficient gas to pass to operate the alarm,
Patent GB-289452-A (GB)
Title: Improvement in stop motion for yarn twisting machines
IPC: D01H13/18
Filed: 1927-11-22
Abstract: 289,452. New England Spun Silk Corporation, (Assignees of Wyss, J.). April 29, 1927, [Convention date]. Delivery, stopping. - In delivery stopping apparatus for yarn twisting-machines of the kind wherein a pivoted arm provided with a yarn gripper is normally held in the inoperative position by the intact yarn, the gripper comprises a fixed plate 23, Fig. 5, with a bevelled edge 30 and a pivoted plate 29 mounted in an inclined position so that, upon breakage of an end, the arm 19 falls and the yarn behind the rollers is engaged by the gripper and broken by the continued rotation of the rollers, and when the operative pulls the gripped end. the plate 29 turns about its pivot until arrested by a stop 33 whereby the end is freely released without leaving any fine short strands, of material in the gripper. To prevent the action of the apparatus when the machine is stopped and the tension on the yarn is relaxed, the ends are moved beyond the range of the gripper tension on a rod 16 carried by levers 34, the operative and inoperative positions of which are determined by the engagement of a pawl 40 in notches 39, 38 in a disc on the shaft.