baber/WOPTO huggingface dataset:
Patent GB-158990-A (GB)
Title: Improvements in and relating to the operating mechanism of reversing rudders
IPC: B63H25/28
Filed: 1919-11-14
Abstract: 158,990. Martineau, F. L. Nov. 14, 1919. Steering-gear.-Relates to steering-gear for double rudders of the kind described in Specification 3249/14 and comprises a pair of continuouslydriven variable-delivery reversible pumps each adapted to operate an hydraulic motor connected to a rudder member and means for controlling the pumps whereby the rudder members are moved in the same direction or oppositely, floating-link hunting-mechanism being, also provided. Arms 3, 4 on the rudder stocks are connected by links 7, 8 with the rams of the double motors 11, 12 and 13, 14. The motors are supplied with fluid under pressure by pumps 15, 16 continuously driven by a. prime mover 17. or from the main engine or propeller shaft. The control spindles 18, 19 cf the pumps are coupled to floating levers 24, 25, which are connected to the rams by hunting links 30, 31 and to a second set of control levers 38, 39 by rods 36, 37. The levers 38, 39 are jointly movable longitudinally by a rod 43 or pivotally by rods 49, 50 from a control rod 59. Movement of the rod 59 results in the rudder members being moved together for steering; movement of the rod 43 results in the rudder members being moved oppositely for braking or reversing. The controls 59, 43 may be moved separately, or both may be operated at the same time. In large installations where angularity of the levers may result in errors, toothed sectors and racks may be substituted.
Patent GB-390544-A (GB)
Title: Improvements in means for spinning and winding cops
IPC: B65H54/14
Filed: 1931-10-13
Abstract: 390,544. Winding yarn into cops during the process of spinning. STEW ART, K., Bhatpara, Bengal, India. Oct. 13, 1931, No. 28436. [Class 120 (ii).] In a machine wherein the yarn is spun and simultaneously wound into cops thereby eliminating the usual winding operations subsequent to spinning, the material passes from drawing rollers over a hook 17 on a driven cone 1, through a traveller 18 on a reciprocating ring 19 to a spindle 10 whereon it is initially wound. The cone 1 forces the cop downwards, a dummy cop 6, upon which the cop is built, being retarded by a brake 21 which may be in the form of fingers or may be a centrifugal brake. When the spindle 10 is withdrawn from the cone the cop is built on a small centre 11 which may rotate in the cone. The cone is gapped to facilitate piecing. The ring is reciprocated by an arm 20 of a rocking lever 34, and may be provided with a parallel motion. When the cop is fully wound the flange of the dummy cop engages a rod 22 and releases a stop-motion link 23, which is thereupon engaged by a stop 25 on an arm 26 of the rocking lever 34 so that a toggle 28 is pushed beyond its vertical centre, a rod 29 being thereby raised to separate the delivery rollers, to check the roving, and to remove a pin 33 from the boss of the lever 34 to stop the reciprocation of the ring, the lever 23 simultaneously applying a brake 37 to the driving-wharl 38 of the cone. Similar operation is effected on breakage by a detector lever 40 which permits a pawl 42 on the arm 26 to fall and engage a notch 44. The housing of the bearing of the dummy spindle is guided by rods 8 which are shaped so that when the fully wound cop is lowered and withdrawn from the cone it is inclined forwardly and upon further withdrawal of the spindle falls into a receptacle. Sliding cutters 45 are provided to sever the thread.
Patent GB-1063904-A (GB)
Title: Method and apparatus for cooling machine tools
IPC: B23Q11/10
Filed: 1964-07-10
Abstract: 1,063,904. Grinding; machine tool details. WERKZEUGMASCHINENFABRIK ADOLF WALDRICH COBURG KOMM. GES. July 10, 1964 [July 13, 1963], No. 28625/64. Headings B3B and B3D. A method of cooling a machine tool having a rapidly reciprocating work-table 7 and in which cooling liquid is supplied to the working point comprises feeding the cooling liquid flowing away from the working point to the vicinity of the guides 10 of the work-table and returning it to a cooling liquid container. As described, the method is applied to a grinding machine having a grinding wheel 5 for operating on a workpiece 6 carried by the work-table 7 which has guides 10. Cooling water from the container 1 is fed by a pump 2 to a nozzle 4 adjacent the working point. The water flows from the work table top through apertures 8 to the interior of the table to cool the guides and from the interior through holes 8 in the bottom or side of the table to a trough 12 connected to a device 13 for separating swarf from the water which is then returned to the container. A heater 15 and thermostat 19 may be provided to maintain the temperature of the water 4‹ to 6‹ C. above room temperature, or the heat from an hydraulic drive of the machine may be used to keep the water at the desired temperature. Cooling water may also be directed over the surface of the table by a spray device 18 to maintain the entire area of the table at a uniform temperature.
Patent GB-521285-A (GB)
Title: Improvements in or relating to plate heat exchanging apparatus
IPC: F28F3/08
Filed: 1938-11-15
Abstract: 521,285. Plate heat-exchangers. LARSEN, M., ZEUTHEN, C., and ZEUTHEN, R., [trading as SILKEBORG MASKINFABRIK ZEUTHEN OG LARSEN]. Nov. 15, 1938, No. 28663/39. Convention date, Nov. 15, 1937. Divided out of 520,610. [Class 64 (iii)] Alternate plates of a plate heat-exchanger have transverse rows of ribs or corrugations 9 so inclined in opposite directions in successive rows as to guide the fluid in a zig-zag path between the plates. The ribs or corrugations of adjacent rows may be continuous.
Patent GB-228993-A (GB)
Title: Improved process and apparatus for the treatment of peat
IPC: C10F5/00
Filed: 1923-11-14
Abstract: 228,993. Perkin, F. M., and Bettisfield Trust Co., Ltd. Nov. 14, 1923. No Patent granted (Sealing fee not paid). Peat, preparing; composition fuel.-In a continuous briquetting process peat is macerated, subjected to treatment in a rotary vacuum filter b or other moisture, separator, conveyed within a. heated casing c to an autoclave d then passed to a container (not shown) in which the pressure is suddenly reduced to disrupt the peat cells, and, preferably after treatment in a further filter e, is conveyed within a casing f through which a cooling medium is passed to a briquetting press g, the briquettes being conveyed to a finishing dryer k to reduce the moisture content down to 20-25 per cent. The peat is treated within the, autoclave with superheated steam at a pressure of e.g. 2-20 atmospheres. The cooling medium consisting of air or flue gases may after passing through the casing f be conducted to the preheating conveyer. Sawdust, finely divided coal, or other combustible material may be added before the peat is briquetted.
Patent GB-333778-A (GB)
Title: Machine for producing bread crumb, grated dough and the like
IPC: A21C15/00
Filed: 1929-09-23
Abstract: 333,778. Erdreich, G. Sept 23, 1929. No Patent granted (Scaling fee not paid). Rasping and like abrading apparatus; roller mills. - A machine for producing and drying bread crumbs, ground dough &c. comprises a cylindrical grater 2 from which the ground material is conveyed by a worm 3 and a conveyer 4 onto a series of inclined heated plates 5 - - 8 subjected to a jigging motion, and then onto a jig sieve 20 and from which the coarser particles are led to a pair of crushing rollers 25 from whence, after crushing, they fail from the delivery opening 12 with the sifted dry material. Bread, rolls &c. are fed to a hopper 1 which is closed at the bottom by the grater 2 and is disintegrated thereby. The conveyer 4 spreads the grated material on to the plates 5 - - 8 which have a corrugated surface and are hollow for the admission of heated air or low pressure steam from a boiler k. The steam passes through the plates in series and is discharged through the pipe 34. If the plates are large, heating coils are placed within them. The plates 5 - - 8 are secured together by straps 13 - - 15, suspended by springs 16, 17 and jigged by a crank 19 and rod 18. Side plates 9 may be used to retain the crumbs on the plates. A sieve 20 and tray 23 are suspended by springs 27, 28 and are jigged by a rod through a bell-crank 30 and rod 31 which is connected to the crank 19. The crumbs pass from one inclined plate to the other until they are deposited on the sieve 20, the fine particles passing through the sieve to the tray 23 and thence to the outlet 12, and the larger particles passing over the end of the sieve for crushing by a pair of rollers 25 before passing to the outlet.
Patent GB-1119644-A (GB)
Title: Apparatus for laterally suspending a mowing machine from a tractor
IPC: A01D34/66
Filed: 1965-07-07
Abstract: 1,119,644. Mowing machines. P. W. ZWEEGERS. 7 July, 1965 [11 July, 1964; 9 Oct., 1964; 19 Feb., 1965], No. 2878l/65. Heading A1F. A mowing machine comprises a plurality of rotary cutter elements mounted on a supporting beam, and means for supporting the beam on the three point lift linkage of a tractor which comprises an intermediate beam pivoted at one end to the supporting beam and at the other end to a sub-frame adapted for mounting on the tractor, an attachment means on the supporting beam at a position spaced along the length of the beam away from the sub-frame, a linkage element extending between the supporting beam and the sub-frame, said linkage normally being slack and being tensioned by lifting operation of the linkage to raise the supporting beam disposed in a horizontal positon, said linkage comprising a first link connected at one end to the upper part of the subframe and a second link connected at one end to said attachment means, the other end of each of the two links being pivotally connected to an upwardly extending lever at a position above the lower end of said lever, which lower end is pivotally connected to the intermediate beam. As illustrated, the intermediate beam 46 is arranged to pivot in a vertical plane about a driving shaft 37 (Fig. 2) and in a horizontal plane about an axis 32. The pivotal movement about the axis 32 moves the mowing beam 1 into its transport position, but this movement is normally prevented, unless an obstacle is encountered, by a detent device 54 (Fig. 2). The mowing beam may be provided with partitions on both sides of each set of gears driving an element, thus defining a chamber for lubricant. In alternative embodiments the chain linkage 48 is replaced by a rod linkage (Figs. 5-12, not shown). Also the mowing beam may have crop dividers and a guide plate attached thereto. (Figs. 20, 21, not shown). In a further embodiment (Fig. 19, not shown) the supporting beam may pivot rearwardly relative to the intermediate beam.
Patent GB-391696-A (GB)
Title: Improved method of and means for manufacturing cones for loud speakers and other purposes
IPC: H04R31/00
Filed: 1932-10-14
Abstract: 391,696. Diaphragms. MILLBOURN, A. S. and MILLBOURN & CO., Ltd., A., Tuckenhay Mills, Totnes, Devon. Oct. 14, 1932, No. 28789. [Class 40 (iv).] Cones for loud-speakers are formed from paper pulp on a reticulated conical sheet-metal mould 1. The mould has a cylindrical apex 3, rings 7 which form protuberances or water marks on the cone. and an arcuate channel 8. Radial ribs 10 may be formed near the apex of the mould to produce reinforcing ribs on the cone. The rings 7 may alternatively be placed on the outer surface of the mould and the pulp deposited outside.
Patent GB-1271747-A (GB)
Title: Device for direct measurement of oxygen content in molten metals
IPC: C21C7/00
Filed: 1969-06-06
Abstract: 1,271,747. Electro-chemical analysis. NIPPON KOKAN K. K. June 6, 1969 [June 8, 1968], No.28801/69. Heading G1N. In a solid-electrolyte probe'for the determination of oxygen in molten metals, the solid electrolyte body is made of a sufficiently small volume to withstand thermal shock when rapidly immersed in molten steel without pre-heating. Dimensions are given. As shown the solid electrolyte 1 is bonded by a cement 2 (e.g. zirconia, alumina or silica in water-glass) in the tip of a quartz tube 3 which is held by a graphite plug 6 in a graphite sleeve 7. The lead wire runs down the air-blast tube 5. The other electrode comprises an e.g. molybdenum wire 8. The solid electrolyte may have any shape as illustrated in Fig. 3 (not shown). Reference has been directed by the Comptroller to Specification 1, 094,180.
Patent GB-803927-A (GB)
Title: Glass compositions
IPC: C03C4/02
Filed: 1956-09-21
Abstract: 803,927. Glass compositions. PITTSBURGH PLATE GLASS CO. Sept. 21, 1956 [Oct. 21, 1955], No. 28899/56. Class 56. A green glass containing iron oxide ; for an ophthalmic crown glass, to have an index of refraction N D  of about 1À523, a softening point of about 1330‹F. and a coefficient of thermal expansion of about 89-93 x 10<SP>-7</SP> per ‹C. between 25‹C. and 300‹C., consists in per cent. by weight: 65-75 SiO 2 , 7-10 Na 2 O, 7-10 K 2 O, 5-8 CaO, 2-4 MgO and 2À8-5 Fe 2 O 3 , the sum of Na 2 O and K 2 O being 15À5-17À5 and the sum of CaO and MgO being 7-10À5. Up to 2 per cent. of refining agents may be used, such as Na 2 SO 4 , AS 2 O 5  and Sb 2 O 3 .
Patent GB-228836-A (GB)
Title: Improvements in or relating to the fixing of beading or the like on vehicle bodies or the like
IPC: B60R13/04
Filed: 1923-11-16
Abstract: 228,836. Hayward, C. W., and Stevens & Co. (1914), Ltd., A. J. Nov. 16, 1923. Ornamenting.-A metal beading &c. 1, adapted to cover the joints of sheetmetal panelling on vehicle bodies &c. is secured to the framing by nails 4, having taper or conical heads 5 which wedge in the tapered mouths of holes formed in the heading, the upstanding portion of the nail head being subsequently filed or smoothed off to conform to the contour of the beading. The underside of the curved beading shown may be channelled or recessed to ensure good contact between it and the panels when it is forced against them.
Patent GB-1291039-A (GB)
Title: Numerical counter
IPC: G06M1/14
Filed: 1971-06-21
Abstract: 1291039 Transfer mechanism EBAUCHES ELECTRONIQUES SA 21 June 1971 [7 July 1970] 28921/71 Heading G4D The lower order wheel 1 has a toothed hub 4 meshing with a planet wheel 5 on a carrier 6. A pawl 10 on the carrier has a finger 13 engaging a ratchet wheel 12 and projecting into a slot 14 of the higher order wheel. As the carrier 6 rotates the pawl 10 is rocked against spring action until the finger 13 rides over the tooth of the ratchet wheel when the spring 11 advances it and the higher order wheel rapidly. In a modification, Fig. 3, the pawl and finger are replaced by a leaf spring 15 which engages between studs 16 on the higher order wheel. Reverse movement is prevented by the cam shape of the ratchet wheel 12.
Patent GB-722330-A (GB)
Title: Improvements in or relating to protective circuits for x-ray tubes
IPC: H05G1/54
Filed: 1951-12-12
Abstract: 722,330. Switching and supply systems for space-discharge apparatus; protective arrangements. PHILIPS ELECTRICAL INDUSTRIES, Ltd. Dec. 12, 1951 [Dec. 15, 1950], No. 29111/51. Class 38 (4). A protective circuit for a diagnostic X-ray tube 15 supplied over a high-voltage transformer 4 is provided with means for applying a sub-normal voltage to the transformer primary winding 5 before an exposure and until the tube discharge current reaches a prescribed value, and for thereafter applying the normal voltage to the primary winding subject to the control of protective means dependent directly or indirectly upon the said discharge current. This provides that the full tube voltage shall not be applied until the cathode 13 is sufficiently emissive, and as shown the means comprises an auxiliary winding 21 on a regulating autotransformer 3 which supplies the primary winding 5 from A.C. mains terminals 1. Also as shown, the protective means comprise a first relay whose winding 22, serially connected in the transformer primary circuit through relay contacts 20 which are closed by actuation of a control switch 18 to position I, closes its contacts 23 when the discharge current reaches its prescribed value to prepare a circuit for the winding 10 of a further relay. Actuation of switch 18 to position II further prepares the circuit of winding 10 whose contacts 8, 9 and 27 respectively complete the normal voltage circuit and break the sub-normal voltage circuit of primary winding 5 for a prescribed exposure period determined by a time switch 24. In the circuit shown the tube is supplied over a rectifier 12, but in another embodiment, Fig. 2 (not shown), this is omitted, and a modified form of protective means which embodies a gridcontrolled discharge tube is connected on the secondary side of the transformer 4.
Patent GB-502838-A (GB)
Title: Improvements in stabilized chlorinated solvents and method of stabilizing such solvents
IPC: C07C17/42
Filed: 1937-10-25
Abstract: 502,838. Stabilizing chlorinated organic solvents. BELL, J. H. Oct. 25, 1937, No. 29113. [Class 91] [Also in Group IV] The decomposition of chlorinated organic solvents in vapour form to generate chlorine acids, is prevented by adding to the solvent a cyclic organic base or an essential oil which vaporizes with the solvent. Solvents specified are, tetra- or trichlor methane, tetra- or trichlorethylene, tri- or tetra-chlor ethane, dichlorethane, chlor benzene, and dichlorbenzenes. Stabilizers specified are, pyridine, methyl and ethyl pyridine, pyrazine, pyrimidine, piperidine, pyrroline, pyrazoline, pyrrolidine, turpentine, pine oil, camphor, wintergreen oil, lemon grass oil, citronella oil, or mixtures of these. About “ to 1¢ per cent is added. The stabilizer chosen is of similar boiling point to the solvent, for example with trichlorethylene pyridine or a mixture of pyridine, citronella oil and lemon grass oil is used. The stabilized solvent vapours are not decomposed by moisture or metals such as aluminium, and are used for degreasing, cleaning, or extraction. In the extraction of fats, essential oils are preferred as stabilizers. The extract is then freed from solvent and stabilizer by distilling and steaming.
Patent GB-665963-A (GB)
Title: Improvements in sewing needles
IPC: D05B85/00
Filed: 1949-11-15
Abstract: 665,963. Sewing-machines. DUNLOP RUBBER CO., Ltd., and HINTON, J. J. Sept. 14, 1950 [Nov. 15, 1949], No. 29167/49. Class 112. Needles.-A sewing-machine needle for use in working on materials which tear easily has the usual point replaced by a cavity 6 to provide a continuous cutting edge 7 to punch out a hole of sufficient size to enable the needle to pass without stretching the material to tearing point. The edge may be circular or of other form without angles, and its diameter is preferably two-thirds of the maximum diameter of the needle. The depth of the cavity should be not less than the total thickness of the work; in one form the centre of the cavity may have this depth while the surrounding part is deeper, to provide a central protuberance to facilitate the dropping out of the blanks punched out of the work.
Patent GB-535316-A (GB)
Title: Improvements in or relating to membraneous articles and especially to such articles of an ornamental character
IPC: A41G1/00
Filed: 1939-11-02
Abstract: 535,316. Films. SEKULES, R., and SEKULES, L. Nov. 2 1939, No. 29192. [Class 2 (ii)] [Also in Group VII] Films in the form of artificial flowers or like ornamental articles are made by forming wire loops of the shape of the petals or the like desired, knotting the wires together between the petals or assembling a number of the petals so formed together, and dipping the assembly into a liquid lacquer so that membranes are formed as the frames are withdrawn, which membranes on drying are durable. " Teton " wire varnish is suitable. The varnish may be clear or coloured.
Patent GB-1111370-A (GB)
Title: Improvements relating to servo-assisted steering systems for motor vehicles
IPC: B62D5/087
Filed: 1967-06-23
Abstract: 1,111,370. Power-assisted steering mechanism. DAIMLER-BENZ A.G. 23 June, 1967 [24 June, 1966], No. 29192/67. Heading B7H. In hydraulically-assisted vehicle steering mechanism including a control valve 5 displaced axially in response to manual rotation of a steering wheel and against an hydraulic reaction force which is proportional to the servo pressure and acts between valve 5 and a respective reaction piston 21, 22, the degree of manual effort required at the steering wheel is controlled by arranging that the hydraulic reaction force is eliminated upon reaching a predetermined value by means which limit the movement of the reaction piston 21, 22 in the valve 5, and is replaced by a constant reaction force provided by a respective spring 27, 28. Each reaction piston 21, 22 comprises a piston cup 21a, 22a and a piston member 21b, 22b between which the spring 27, 28 is pre-compressed. A retaining ring 31, 32 limits the movement of each piston cup 21a, 22a in a bore 23, 24 in the valve 5. A passage 25, 26 connects each bore 23, 24 with one of grooves a, b communicating with chambers on each side of a servo piston 3 connected to a steering nut 4 which engages a worm 8 through recirculating balls and carries an arm 6 for actuating the valve 5. As pressure increases on one side of the piston 3, the appropriate piston cup 21a, 22a exerts on the valve housing a corresponding thrust through the spring 27, 28 and piston member 21b, 22b. When the thrust is sufficient to overcome the pre-load in the spring 27, 28 the piston cup 21a, 22a moves forward to engage the retaining ring 31, 32 whereupon the piston member 21b, 22b exerts on the housing only the load in the spring 27, 28.
Patent GB-904905-A (GB)
Title: Improvements in or relating to rakes for continuous thickeners
Filed: 1960-08-24
Abstract: 904,905. Gravity separation apparatus. SHIN NIHON KAGAKU KOGYO KABUSHIKI KAISHA. Aug. 24, 1960 [Sept. 21, 1959], No. 29280/60. Class 46. A rake for use in a continuous thickener tank 1 for liquid is buoyantly supported by submerged float tanks 9 attached to a horizontal member 7 of the rake structure e.g. directly, or by rods or cables 10. At least some of the major members of the rake are formed of airtight piping. In operation, slurry is fed to the tank through a well 3, clear liquid overflows into a channel 2, the driving shaft 5 of the rake is rotated by a motor (not shown) and rake blades 6 scrape the sludge together to a central outlet 4.
Patent GB-1421793-A (GB)
Title: Injectors for injecting gas into molten metal
IPC: B22D1/00
Filed: 1973-06-20
Abstract: 1421793 Injecting gas into molten metal ELECTRICITY COUNCIL 20 May 1974 [20 June 1973] 29303/73 Heading F4B An injector plug, through which gas is to be injected into a vessel of molten metal, has a gas permeable but metal impermeable central portion 15 surrounded by a two-part structure consisting of a refractory facing 16 to withstand contact with molten metal, and a material 17 such as plumbag selected so that no bonding occurs with the vessel refractory wall. A conical bush of refractory material 12 may be fitted in the vessel refractory lining 11. The refractory facing 16 may be coated with a release material 18 such as carbon, chromic oxide or calcium aluminate.
Patent GB-903638-A (GB)
Title: Improvements in or relating to the manufacture of thixotropic materials
Inventor: COX PHILIP DUNCAN
IPC: C09D5/04
Filed: 1959-08-28
Abstract: A thixotropic varnish is made by hot- or cold-blending (a) thixotropic material produced according to Specification 836,218 by heating hydrazine or a diamine with either a homopolymerized vegetable oil or a vegetable oil copolymerized with an unsaturated monomer with (b) a phenolic, reduced phenolic, maleic, ester gum or coumarone resin.  In examples, the thixotropic material (a) used was obtained by heating linseed stand oil with ethylene diamine whilst the resins (b) used were a p-tertiary butylphenol-formaldehyde resin together with chinawood oil, a rosin modified phenolic or cresylic resin esterified with glycerol, a maleinated rosin esterified with pentaerythritol, or a coumarone resin together with chinawood oil. The blends were dissolved in white spirits and metallic driers added to form a varnish.