baber/WOPTO huggingface dataset:
Patent GB-971931-A (GB)
Title: Austenitic cast iron
IPC: C21C1/08
Filed: 1962-06-19
Abstract: An austenitic spheroidal graphite iron contains C 2-3%, Si 1-3%, Ni 20-24%, Mn 3.25-5.0%, Mg sufficient to induce the formation of spheroidal graphite but not above 0.12%, the balance apart from impurities being iron, the sum of the carbon content + 0.2 times the silicon content + 0.06 times the nickel content being not greater than 4.4. In a preferred example C does not exceed 2.6%, Ni is at least 21.0% and Mn is at least 3.7%. Impurities described are Cu up to 0.25% but preferably absent, S up to 0.02% but preferably absent, P up to 0.1%, Cr, Mo, W and V preferably absent but up to 0.25% may be present.  Sb, Ce, Bi, Pb below 0.003% total and Ti below 0.02%. The iron is prepared by melting the ingredients in a cupola, electric arc, induction or air furnace at a temperature of 1500-1570  DEG C., the magnesium is added, e.g. as a nickel-magnesium alloy containing 12-30% Mg balance Ni followed by a graphitizing inoculant such as FeSi containing 70-90% Si, 0.5-1.0% Ca, balance iron, sufficient to add 0.25-1% Si to the melt.  The iron may be used in the as cast condition but a normalizing treatment may be used comprising heating at 870-1040  DEG C. for at least one hour per inch of section, followed by air cooling.
Patent GB-762253-A (GB)
Title: Method and apparatus for making stencils electronically particularly for full colourreproduction
IPC: B41C1/14
Filed: 1954-08-13
Abstract: 762,253. Local copying by scanning. LEACH, D. M. Aug. 12, 1955 [Aug. 13, 1954], No. 23602/54. Class 40 (3). In an electrical arrangement for producing a perforated stencil, an original (or negative thereof) is scanned by a light beam and an associated photo-cell, the output of which is utilized to produce a frequency modulated spark discharge to form the perforated stencil. The original 26 and stencil sheet 27 are mounted in a frame 1, 2 reciprocated along tracks 23 on a table 30 by a connecting rod 17 pivotally connected to a bar 18 secured to links on chains 14 driven by gearing from a motor 15. A scanning housing 21 comprises a light source 4, optical reflector and photo-cell 3 together with spark electrodes 12, 13 disposed above and below the sheet 27. The frame 1, 2 together with the table 30 is traversed along paths 19 by reduction gearing driven from the gear-wheel 28D. The output from the photocell 3 is applied to a valve 6 which fires a thyratron 8 discharging a capacitor 10 so that a valve 11 conducts and passes a pulse through the secondary winding 5 of a transformer 5F to produce a spark discharge across electrodes 12, 13. The thyratron 8 is cut-off by the fall in its anode potential so that the capacitor 10 recharges and cuts-off the valve 11. This action is repeated and as the thyratron 8 will fire more quickly when its grid voltage is less negative, the frequency of the sparking produced by the valve 11 will increase or decrease directly in accordance with the output of the photo-cell 3. The arrangement may be employed for colour reproduction by using transmitting plates 26 corresponding to the component colours.
Patent GB-461654-A (GB)
Title: Improvements in burner apparatus for soldering, welding and like operations
IPC: F23D14/32
Filed: 1935-08-22
Abstract: 461,654. Paint scrapers. ROMER, A. Aug. 22, 1935, No. 23613. Convention date, Oct. 2, 1934. Drawings to Specification. [Class 61 (ii)] [Also in Groups XI and XXII] A rod carrying a scraper for removing paint may be secured to a burner fed from acetylene and compressed air containers which are clipped together to form a handle.
Patent GB-1344867-A (GB)
Title: Force' commutation inverter
IPC: H02P27/06
Filed: 1971-04-19
Abstract: 1344867 Inverting LICENTIA PATENT-VERWALTUNGS GmbH 19 April 1971 [14 March 1970] 23622/71 Heading H2F In an inverter supplied from a variable direct-voltage source E1, commutation is achieved by a common capacitor K4 charged alternately from two voltage sources E2, E3 independent of the variable source E1. As described, each source E2, E3 supplies a capacitor K2, K3 of larger value than the commutating capacitor K4 and develops a voltage U2, U3 equal to half the maximum voltage of the source El. Thyristor n7 is first turned on to charge capacitor K4 resonantly via inductor i7 with a first polarity. If, e.g. thyristor n61 is to be turned off, thyristors n8 and n62 are turned on so as to discharge capacitor K4 via diode n10 in the reverse direction through thyristor n62. Capacitor K4 is now recharged with the opposite polarity from source E3 via the resonant circuit including choke i2. Further windings on choke i1, i2 recover surplus energy.
Patent GB-532137-A (GB)
Title: Improvements in and relating to methods of fixing filter plates and other parts in vessels made of glass or quarts
IPC: C03B23/207
Filed: 1939-08-16
Abstract: 532,137. Attaching fittings to glassware. GLASFABRIK SOPHIENHUTTE R. BOCK GES. Aug. 16, 1939, No. 23669. Convention date,' Sept. 29, 1938. [Class 56] A method of fixing a filter plate or other part in a vessel made of glass or quartz consists in heating the wall of the vessel in the vicinity of the place where the part is to be fixed, introducing the plate into the heated zone of the vessel, and then pressing the plastic glass into contact with the plate without fusing it to the plate. The vessel c may be clamped on a rotating table a, the filter plate f being supported on a small table d carried by a rod e which is movable axially through the table a. The upper edge of the vessel is heated by a burner g, and when the glass is soft, the rod e is lifted to bring the plate f to the position f and the plastic glass is pressed against the edge of the plate by means of a suitable tool or pressing- device. In some cases, the outer surface of the vessel may be enclosed in a mould to prevent outward movement of the glass, and the plate is pressed into position in the softened wall. The glass may be heated electrically, and a thermo-element h may be provided which causes the actuation of a pressing-device, through a relay, when the glass obtains the necessary temperature.
Patent GB-962099-A (GB)
Title: Improvements in and relating to cartridge fountain pens
Inventor: RANSOM FREDERICK JUDSON
IPC: B43K5/18
Filed: 1963-06-14
Abstract: 962,099. Fountain pens. SCRIPTO Inc. June 14, 1963, No. 23769/63. Heading B6P. A fountain pen includes a feed section 20, Figs. 1 and 2, comprising a feed bar 30 and a tube 23 for pressing an ink cartridge 50, the feed bar having a semi-cylindrical tail-piece 32, Fig. 5, fitting into the the tube 23. The feed-bar has capillary ink feed grooves 31, 311 increasing in depth towards the forward end, and an air channel 35. The tube 23, Figs. 2 and 6, has capillary ink feed grooves 25, 25<SP>1</SP>. The grooves 31 (311) and 25 (25<SP>1</SP>) overlap axially, the ink moving laterally from a groove 25 to an adjacent groove 31, thus controlling the ink supply. The barrel 10 is provided with a pair of shoulders 18, 18<SP>1</SP> to retain cartridges of two sizes.
Patent GB-1425027-A (GB)
Title: Electric lamp and reflector therefor
IPC: F21V7/22
Filed: 1972-05-20
Abstract: 1425027 Lamp reflector LUCAS ELECTRICAL CO Ltd 24 April 1973 [20 May 1972] 23831/72 Heading F4R A lamp reflector comprises a dished body having a layer of thermosetting resin including an additive for increasing the flexibility of the resin, at least on the internal surface thereof, and a reflective coating overlying the layer on the internal surface of the body. In an embodiment a mild steel deep drawn blank is coated on both sides with an epoxy resin and cured. The internal resin coating is ground smooth, a layer of lacquer applied to both sides and a reflective coating formed on the inside by vacuum deposition. Rectangular and circular reflectors may be coated.
Patent GB-1177644-A (GB)
Title: Improvements in and relating to Manufacture of Lactams.
Inventor: SMITH GORDON ERNEST
IPC: C07D201/08
Filed: 1966-05-27
Abstract: 1,177,644. #-Hydroxy carboxylic acids. COURTAULDS Ltd. 26 May, 1967 [27 May, 1966], No. 23890/66. Heading C2C. An #-hydroxy acid prepared by oxidizing an alicyclic ketone, with at the most 8 C atoms in the ring, is reclaimed from solution in a waterimmiscible solvent by leaching with dilute aqueous ammonium hydroxide to extract an ammonium salt of the acid. An example describes the extraction of hydroxycaproic acid prepared from cyclohexanone with a 5% ammonium hydroxide solution. The ammoniacal solution of the salt may be combined with self-condensed #-hydroxy acid separated from the original oxidation and used to prepare lactams.
Patent GB-1065654-A (GB)
Title: Dyes,processes for preparing them and light-sensitive photographic silver halide emulsions containing them
IPC: G03C1/485
Filed: 1964-06-10
Abstract: The invention relates to dyes of the formula <FORM:1065654/C4-C5/1> or <FORM:1065654/C4-C5/2> where m and n each represent 0 or 1, p and q represent 0, 1 or 2, r represents 1 or 2, R and R1 each represents an alkyl or substituted alkyl, including aralkyl, group containing from 1 to 12 C or an allyl group, R2 represents a hydrogen atom or an alkyl or aralkyl group, containing from 1 to 18 C or an aryl group and Z and Z1 each represents the non-metallic atoms necessary to complete a heterocyclic nucleus containing 5 or 6 atoms in the heterocyclic ring, e.g. benzothiazole, benzoxazole, indolenine, 2-quinoline and 4-quinoline.  The dyes are prepared by the usual condensation reactions from compounds of the formula <FORM:1065654/C4-C5/3> 3,6 - dianilinomethylene - 1,2,4,5 - cyclohexane tetrone.ALSO:3,6 - Dianilinomethylene - 1,2,4,5 - cyclohexanetetrome is prepared by reacting 2,5-dihydroxy - 1, 4 - benzoquinone with ethylisoformanilide.
Patent GB-321941-A (GB)
Title: Improvements in means for utilizing energy in a flow of water
IPC: F03B13/00
Filed: 1928-08-21
Abstract: 321,941. Tradewell, A. Aug. 21, 1928. Dynamos, driving.-In the open mouth of a water pipe supplying a service reservoir or storage tank a turbine is fitted and is arranged to drive a dynamo, pump and fan. Several arrangements are described. Fig. 4 shows a turbine 38 carried by a gear-disc 39 mounted between ballbearings 40 in a detachable nozzle 37. The disc 39 is geared to a dynamo 46 which supplies a lamp 56. In a modification the turbine is of the transverse-flow type, the gearing being dispensed with.
Patent GB-1531667-A (GB)
Title: Motion converter
IPC: F16H25/18
Filed: 1977-06-09
Abstract: 1531667 Linkwork ITT CREED Ltd 9 June 1977 24082/77 Heading F2K Rotary motion of a shaft 1 is converted into angular movement of an arm 5 and, if required, linear movement of a body 7, to which the arm 5 is pivoted, by means of a screw 3 which is formed by a spring wire tightly wound on to a reduced diameter portion 2a, 2b, 2c of the shaft 1 and engages the free end 5b of the arm 5. The ends 3a, 3b of the spring 3 are freely located over the reduced end portions 2a, 2c whereby at the end of the movement of the arm's free end 5b, i.e. when it abuts one or other of shoulders 4a, 4b on the shaft 1, the appropriate free spring end 3a or 3b freely ratchets over the arm 5 until rotation of the shaft 1 is reversed, the spring screw 3 then automatically moving the arm 5 to the opposite end where it will again ratchet over the arm until reversal of the shaft 1 is again effected. Linear reciprocation of the body 7 occurs as the tip of the arm end 5b engages the root portion 2b of the shaft 1. If, however, only oscillatory angular movement of the arm 5 is required without effecting reciprocation of the body 7, this is simply effected by ensuring that the spring wire 3 and length of the arm 5 are such that the tip of the arm end 5b does not contact the root portion 2b of the shaft 1 during its angular movement by the shaft screw wire 3.
Patent GB-727472-A (GB)
Title: Improvements in or relating to salts of formaldehyde sulphoxylic acid
Inventor: GIBSON GEOFFREY MOORHOUSE
IPC: D06P1/66
Filed: 1951-10-16
Abstract: The invention comprises quaternary ammonium formaldehyde sulphoxylates, particularly those of the following types:-(1) compounds in which 4 different or the same hydrocarbon groups are attached to the N, including those in which 2 or 3 of the groups are represented by the residue of a heterocyclic ring; (2) compounds in which 2 of the groups on the N are represented by the residue of a heterocyclic ring containing also oxygen, the other two being similar or different hydrocarbon residues; (3) compounds in which one of the groups attached to N is an acidylamino alkyl group, the others being as above; the products may be obtained by the action of a quaternary ammonium hydroxide which is strong enough for the product not to be hydrolysed in aqueous solution, on a basic zinc formaldehyde sulphoxylate with heating, or by the action of normal zinc formaldehyde sulphoxylate, or an aqueous solution or suspension of a normal or basic formaldehyde sulphoxylate of a metal which forms an insoluble hydroxide, carbonate or sulphate, on an aqueous solution of a quaternary ammonium hydroxide, carbonate or sulphate; or by the action of quaternary ammonium salts on metal formaldehyde sulphoxylates, such that in alcoholic solution, a less soluble metal salt is precipitated; or by the reduction of quaternary ammonium formaldehyde bisulphite; or by the action of formaldehyde on a quaternary ammonium hydrosulphite; or by the action of an alcohol soluble quaternary ammonium iodide on tetramethylammonium formaldehyde sulphoxylate in alcoholic solution.  In examples the formaldehyde sulphoxylates of tetramethylammonium, the corresponding tetraethyl, phenyl-trimethyl, cetyl-trimethyl, cyclohexyltrimethyl, dicetyldimethyl, phenyl benzyldimethyl, and 2-stearamidoethyltrimethyl, ammonium derivatives and the formaldehyde sulphoxylates of methylpyridinium, N : N-dimethylpiperidinium, N : N-dimethyl-1 : 2 : 3 : 4-tetrahydroquinolinium, N : N - dimethyl morpholinium, and cetyl pyridinium are described; the tetramethyl compound is prepared by each of the methods described above.  A table showing the solubilities of several of the products in a number of organic solvents and water is given.
Patent GB-1528897-A (GB)
Title: Method of purifying silicon
IPC: C04B35/653
Filed: 1977-06-09
Abstract: 1528897 Purifying silicon INTERLAKE Inc 9 June 1977 [21 June 1976] 24155/77 Heading C1A A method of producing crystalline silicon having an iron concentration less than the iron concentration of the mother liquor, comprises introducing a molten mother liquor of silicon contaminated with iron at a temperature greater than the melting point of pure silicon into a mold, maintaining the mold at a temperature sufficient to cause silicon crystals to grow thereon, providing relative movement between the mold with the silicon crystals thereon and the molten mother liquor to wash the exposed surfaces of the silicon crystals continuously with the mother liquor during the further growth of the silicon crystals and to maintain the top surface of the liquor substantially liquid, decanting the mother liquor from the mold before the liquor temperature reaches 2206 F. to leave a hollow silicon ingot having an outer zone adjacent to the mold and an inner zone centrally of said silicon ingot, and discarding the outer and inner zones to leave a central crystalline portion of the silicon ingot with an iron concentration less than the iron concentration in the outer and inner zones and in the original mother liquor.
Patent GB-141662-A (GB)
Title: Improvements in die casting machines
IPC: B22D17/06
Filed: 1919-10-03
Abstract: 141,662. Acme Die-Casting Corporation, (Assignees of Bungay, G. W.). April 14, 1919, [Convention date]. Casting-machines; metal-pouring; castings, extracting; moulds; clamping and guiding moulds.-A die casting-machine of the type described in Specification 122,420 is provided with a pressure chamber 5 with a nozzle 8 normally above the metal in the pot 2, which can, however, be raised to fill the chamber and the means for moving the mould halves and ejecting the castings are improved. The chamber 5, Fig. 3, is carried by legs 9, 11, engaged by lugs 10, Fig. 1, and adjusting screw 12 to allow vertical adjustment and slight lateral self-adjustment of the nozzle 8. The pot 2 is arranged in a furnace 1 and can be raised by a rod 17 and treadle 24. The mould halves 25, 26, Fig. 1, are mounted, at an angle to the chamber 5, on carriers 39, 42 fixed and sliding respectively on bars 38 attached to the operating cylinder 34, the carrier 42 being connected to the piston-rod 49 and the carrier 39 having rack and pinion 59, Fig. 5, to operate the ejecting device 55 carried by the mould half 25. The carrier 42 can be adjusted by a screw 44 on a yoke 43 having a bearing block 45, Fig. 2, which slides on an inclined rod 46 carried by a plate 30 to which the cylinder 34 is pivoted, and the plate can be adjusted along fixed rods 28 by rack and pinion 33. This mounting provides for a slight lateral self-adjustment of the mould relatively to the nozzle. Steam is admitted to either end of the cylinder 34 to open or close the mould by valves operated by a spindle 69 and treadle 72 and compressed air or other fluid is admitted to the pressure chamber 5 from the reservoir 62 and exhausted by valves 74 operated by a spindle 76 and hand-lever 77, this and the treadle 72 being retained in the inoperative positions shown by springs 83, 73, Fig. 6. Interengaging projections 78, 85 on the spindles 76, 69 prevent the lever 77 from being moved to admit the forcing fluid to the chamber 5 if the treadle 72 has not been pressed down to close the mould and the treadle cannot rise to open the mould until the lever 77 is moved into the inoperative position. A shield 86, Fig. 2, to protect the operator from flying particles of metal, is arranged on a pivot 88 and controlled by a spring 89 so that it will remain in the position shown or in the inoperative position as moved by the handle 90.
Patent GB-745182-A (GB)
Title: Process for the production of delustered threads, fibres, bristles, ribbons and the like from linear polyamides
IPC: D01F6/60
Filed: 1953-09-03
Abstract: Delustred threads, fibres, bristles, ribbons and the like of high bulk elasticity are made by melt spinning a product obtained by polycondensing a polyamide forming monomer in admixture with a polystyrene having a molecular weight of at least 100,000 which is distributed in the final product as a fine dispersion, the polystyrene being admixed with the polyamide forming monomer in an amount of 0.5 to 35 per cent by weight of the monomer.  In examples, a mixture of epsilon-caprolactam, hexamethylene diamine adipate, polystyrene and distilled water was heated to 260 DEG  C. in a nitrogen atmosphere.  The resulting polymer was extruded and comminuted to form chips which were washed to remove caprolactam and thereafter dried and melt-spun.
Patent GB-184396-A (GB)
Title: An improved cabinet or holder for gramophone records
IPC: A47B81/06
Filed: 1921-09-15
Abstract: 184,396. Narborough, S. E. Sept. 15, 1921. Contents, delivering.-In a cabinet or holder for gramophone records which is divided up into separate record compartments by vertical partitions, each compartment is provided with two interacting balanced oscillating levers a, f, whereby a record i can be protruded beyond the front of the cabinet. A stop q is provided to limit the upward movement of a lever f, and lateral movement of a lever a is prevented by fitting thereto a metal pin o which moves in a vertical slot p in the pivot rod d. Strips n of rubber or baize may be provided on the partitions to grip the record.
Patent GB-170454-A (GB)
Title: Improvements in and relating to printing presses
IPC: B41F13/40
Filed: 1920-08-24
Abstract: 170,454. Terrey, A. Aug. 24, 1920. Tripping-arrangements. - Printing-presses are provided with hydraulically-operated means acting in opposite directions directly on the bearir.gs of the impression cylinder for adjusting the pressure of the latter upon the printing-cylinder, or throwing it out of contact therewith. The bearing-block a at each end of the impressioncylinder shaft is supported for transverse movement along guides b<1> on the machine frame and is connected by studs c to pistons e working in hydraulic cylinders d mounted upon or formed within the frame. The cylinders d communicate by conduits d<2> with bores i<1> of a fluid-pressure control member i, one end of which is threaded through one of the bearing bosses h<1> on a fixed bracket h, the other end of the member i sliding through the other bearing boss. The conduits d<2> extend through caps j, and their extremities are provided with pistons k. By rotating the control member i by means of a spanner, or otherwise, the fluid pressure in the cylinder d on one side of the bearing a will be increased, and the pressure in the cylinder on the other side of the bearing diminished, the impression cylinder being adjusted thereby. The hydraulic pressure cylinders at each end of the impression cylinder shaft may be controlled independently or together.
Patent GB-260091-A (GB)
Title: Improvements in wrappers, enclosures or the like of paper, cardboard or the like material
IPC: B65D5/52
Filed: 1925-10-02
Abstract: 260,091. Cleland, Ltd., W. W., and Luce, R. C. Oct. 2, 1925. Wrappers.-An enclosure or wrapper of paper, cardboard, &c. is adapted to enclose a box or container around one periphery, one side being provided with a lid or cover to enable the contents of the box to be accessible whilst the enclosure is in position. A blank, Fig. 1, is scored to produce a top comprising a rim 1 and a cut-away portion 2, front and rear walls 3, 4, and side walls 5, the side walls comprising two parts 5a, 5<b> adapted to be folded about a crease 9 to receive between them flaps 6, 7 and 11, 12 secured to the front and rear walls respectively, the whole being locked together by tongues 13 on the parts 5<a> engaging in slots 14 in the rear wall 4. The out-away portion 2 is formed with an incision 18 and scored lines 15 about which it may be folded to stand substantially upright behind tabs 19, formed by slits 17 in the rear of the rim 1, and to present a display surface. The enclosure is adapted to be slipped over a box 20, Fig. 2, to hide the box but display its contents. The walls 3, 4, 5 may comprise rims with apertured centres. In a modification, the double side wall is replaced by a single one having tongues adapted to engage in slots in the flaps 11, 12. As shown in Fig. 5, a part of the cut-away portions 36 is covered with celluloid 36<a>, flaps 23, 24 form the rear wall, the panel 37 being adapted to stand up as a display panel, and the front flaps 34, 35 of the side walls 27, 28 are lodged between the folded parts 31, 32 of the front wall In another form the box is inserted sideways into the enclosure.
Patent GB-189424-A (GB)
Title: Improvements in and relating to electric controlling devices
IPC: H02P1/06
Filed: 1922-09-11
Abstract: 189,424. Sullivan Machinery Co., (Assignees of Wyman, C. W.). Nov. 25, 1921, [Convention date]. Controllers, locking. - Controllers for mining-machine motors fitted with plug connectors to flexible leads, are provided with a locking handle, separate from the controller and plug, which prevents the plug from being inserted into or withdrawn from its socket unless the controller drum is locked in the " off " position. To lock the controller, a finger 63, Figs. 2 and 4, sliding along a guiding shaft 64, and actuated through a rack and pinion by the locking-handle, comes exactly between two abutments 61, 62, formed on a disc 54 attached to the controller spindle 21, when the locking-handle is turned to the position shown in Fig. 2. The same movement acts through another pinion to withdraw a pin 78, Fig. 3, from a notch in the plug 17, which can now be removed and replaced. When the plug is in place, the locking-handle must be turned either to the right or the left to move the finger 63 clear of one or other of the abutments 61, 62, and the controller handle 84 is then free to turn the drum for forward or reverse running. Wiring diagrams for direct and alternating current are given in the Specification.