baber/WOPTO huggingface dataset:
Patent GB-710946-A (GB)
Title: Retractable debris guard for an aircraft engine
Inventor: RAINBOW HORACE SINCLAIR
IPC: B64D33/02
Filed: 1951-06-05
Abstract: 710,946. Gas turbine plant. ARMSTRONG SIDDELEY MOTORS, Ltd. May 21, 1952 [June 5, 1951], No. 13262/51. Class 110(3) [Also in Group XXXIII] A guarding portion for an intake of an aircraft engine together with lever means for actuating it is operated by a fluid-actuated mechanism having flow-control means adapted to reduce the speed of movement of the guarding portion as it approaches its extremity of travel in either direction. The intake. such as that of an axial-flow compressor, comprises an annular casing 14 and a central fairing inter-connected by radial webs 16. The annular passage upstream of the casing 14 is guarded by trapezoidal sections 18. each of which consists of a central lever 20, a frame 24 and parallel slats 21 of aerofoil section. The lever, slats and frame are interconnected by tie rods 22 which are brazed thereto and the slats are brazed to the frame 24. Each section carries two guides 25 for directing debris into an annular collecting chamber 26. Each lever is pivoted to the casing 14 at 31 and is operated by a pneumatic ram 36 through a pivoted link 38. Each lever is also connected to the ram casing by a pivoted spring link 32. The rams are fed in parallel by air from the compressor and each ram has by-pass means whereby in the event of failure of any of the rams the remaining rams will not be affected. The collecting chamber is defined at the front by a circumferential flange on a casing portion 33 which is supported from the casing 14 by brackets 74, 75. The brackets 74, 75 are welded to members 76 and the brackets 75 are bolted to the casing 14. The outer wall of the collecting chamber is formed by a detachable. flexible band 86 which is mounted on a ring 33a and a flange 98, with the interposition of rubber seals 88, as shown. Reference has been directed by the Comptroller to Specification 668,638.
Patent GB-1465351-A (GB)
Title: Phosphoric and thiophosphoric acid hydroxy-anilides and their use for stabilising organic material
IPC: C08L77/00
Filed: 1974-03-26
Abstract: 1465351 Lubricants &c. CIBA-GEIGY AG 26 March 1974 [27 March 1973] 13268/74 Heading C5F [Also in Divisions C2 and C3] Natural and synthetic organic materials including mineral oils and mixtures of mineral oils and synthetic esters are stabilized by the addition thereto of a compound of the general formula wherein R is alkyl, cycloalkyl or aralkyl, R 2  is H, cycloalkyl or aralkyl, R 3  and R 3 <SP>1</SP> independently denote H or C 1 -C 4  alkyl, R 4  and R 5  independently denote alkyl, cycloalkyl, haloalkyl, alkylthioalkyl, alkoxyalkyl, alkoxycarbonylalkyl, alkenyl, phenyl, chlorophenyl, alkylphenyl or aralkyl or R 4  and R 5  together denote alkylene, o-arylene or the group wherein R 6  and R 7  are each C 1 -C 4  alkyl, X is O or S and p is 1 or 2. An Example (62) is given for the stabilization of a HVI solvent refined paraffinic base oil.
Patent GB-132737-A (GB)
IPC: F42B12/22
Abstract: 132,737. Brandt, E. W., and Brandt, C. E. J. May 30, 1916, [Convention date,]. Projectiles.-Relates to projectiles provided internally or externally with grooves for facilitating fragmentation in bursting, and consists in making the projectiles with deeper annular grooves than longitudinal grooves, or with annular grooves only, so proportioned that the resistance to bursting is the same in all directions. The annular grooves may be constituted by a single spiral groove.
Patent GB-1123934-A (GB)
Title: Mineral mining installation
Inventor: ROSLER WULFF
IPC: E21C25/64
Filed: 1966-03-25
Abstract: 1,123,934. Mineral-mining installations. GEWERKSCHAFT EISENHUTTE WESTFALIA. 25 March, 1966, No. 13307/66. Heading E1F. In a coal mining installation a drum or disc type cutting machine is supported so that it may be adjusted when desired in accordance with mining conditions about a vertical axis from a saddle slidable along guide rails mounted at the face ends of the roof bars of a shiftable support frame. The machine is such that the drum or disc cutter thereof is rotatably supported at the free end of an arm that is swingable and lockable, preferably about an horizontal axis, with respect to the cutter-driving motor of the machine.
Patent GB-353105-A (GB)
Title: Improved machine for thinning roct crops
IPC: A01B41/04
Filed: 1930-05-01
Abstract: 353,105. Implements for working land. WHITE, A., Dods, Lauder, Berwickshire. May 1, 1930, No. 13379. [Class 6 (i).] A machine for thinning or singling out root crops comprises a wheeled frame and one or more pairs of transversely reciprocated discs or cutters arranged between the hoes or thinning blades to make narrow vertical or substantially vertical cuts and thus single out a plant between the cutters of each pair. A crank 12 on a shaft 11, driven by variable or other bevel gearing from the axle 6, is connected by a link 13 to a pivoted two-armed lever 14, which is adjustably connected at its other end to an upright bar 17 pivotally attached to a movable horizontal frame 18. Vertical rods 19 mounted in vertical frames 16 serve to guide the frame 18, and inclined rods 20 on the frame 18 guide brackets 21 carrying a cross-bar 22 supporting pairs of singling discs 23. The cross-bar 22 is connected by a slotted link 24 to an arm 25 fixed on the lever 14. This mechanism reciprocates the frame 18 on the guides 19 and the bar 22 on the guides 20, the frame 18 moving slightly up or down at the ends of its stroke while the bar 22 is stationary relative to it. The slot in the link 24 may be dispensed with so that the reciprocating and rising and lowering movements take place simultaneously. The discs or cutters 23 are adjustably mounted and may be spring-controlled. They may be parallel to one another or adjustably inclined, and one of each pair may be in advance of the other. Hoe blades 28 may be fixed to the cutter shanks 29 to remove the superfluous plants between those singled out by the discs. The depth of work may be varied by adjusting the bar 17 relatively to the lever 14. A disc drill scarifier may be mounted behind the thinning machine. According to the Provisional Specification the discs and hoes may be carried by transverse rods connected to cranks and supported by uprights movable along an adjustable guide hung from a leaf spring.
Patent GB-593743-A (GB)
Title: Age resisters for rubber
IPC: C08K5/18
Filed: 1944-07-13
Abstract: 1 - (p - Hydroxyphenylamino - methylene) - 2 - naphthol and 1 - (p-aminophenylamino-methylene)-2-naphthol are prepared for use as rubber age resistors by condensing p-amino phenol and p-phenylene diamine respectively with b -naphthol and paraformaldehyde in toluene in the presence of piperidine. Specification 352,652 is referred to. The Specification as open to inspection under Sect. 91 comprises also the manufacture of aryl amino-methylene naphthols in general by reacting any primary aromatic amine with formaldehyde and a naphthol. This subject-matter does not appear in the Specification as accepted.ALSO:Rubber is preserved by vulcanizing it in the presence of 1-(p-hydroxyphenylamino-methylene) - 2 - naphthol, or 1-(p - aminophenylamino-methylene)-2-naphthol, the preparation of which substances is given in Group IV.  The rate of ageing of a standard composition consisting of extra pale crepe rubber, sulphur, zinc oxide, stearic acid, hexomethylene tetramine and one of these substances is compared with similar compositions in which the age resister is phenyl-b -naphthylamine.  Specification 352,652 is referred to.
Patent GB-646202-A (GB)
Title: Improved process for the production of acid nitriles
IPC: C09F1/00
Filed: 1947-05-19
Abstract: High molecular weight acid nitriles are made by a process characterized by continuously feeding acid having at least eight carbon atoms to a bubble-tray column having a reaction zone wherein means are provided for maintaining a series of pools of the reactants in vertical relationship, continuously feeding gaseous ammonia to the lower part of said reaction zone so that the ammonia passes upwardly through said series of pools and into contact with the acid in each of the pools of the series, said ammonia being in excess of the amount stoichiometrically required for reacti n with said acid and maintaining said pools at a temperature sufficient for liquid phase reaction of the acid and ammonia to produce nitriles.  The nitriles formed may be vaporized, and passed, together with any vaporized acid, through a second series of pools, which exerts a rectifying effect, the higher-boiling acid being held back, or returning to the reaction zone, and the nitrile vapours removed at the top and condensed, some condensed nitrile being returned, if desired, to the top of the rectifying zone.  If amides are to be recovered, which are higher-boiling than the acids, a third series of pools or stripping zone may be provided to receive the overflow from the reaction zone and separate acid and amide.  In modifications (1) some mixture of reactants is withdrawn from a tray at the base of the reaction zone, heated and transferred to a tray at the top of that zone; (2) the rectifying zone is replaced by a heated chamber containing dehydrating catalyst.  The fatty acid may be introduced to the upper part of the reaction zone, the ammonia being in counter-flow therewith.  Fatty acids specified are stearic, palmitic, oleic, linoleic, lauric, or mixtures of such acids obtained from soya bean, cottonseed, tallow, fish oil, or tall oil or fractions of such mixtures.  Rosin acid or tall oil itself may also be used.
Patent GB-127589-A (GB)
Title: Improvements in and relating to Grinding Machines.
IPC: B02C15/08
Filed: 1919-05-29
Abstract: 127,589. Smidth & Co., F. L. May 30, 1918, [Convention date]. Ball-and-ring mills.-In mills in which grind. ing-members are arranged between two or more grinding-rings, one of which is divided into sections and is under pressure in order to increase the grinding action, the ground material is removed hy an air-current which passes between the grinding-members and the casing of the mill. In the arrangement described, balls c are located between an outer, preferably stationary, ring d and an inner ring c which is divided into radially movable sections carried by a rotating shaft a. The sections of the inner ring are mounted on loading-blocks f which can move radially under the action of centrifugal force in a holder b fixed on the shaft a. The balls e are arranged loosely in a holder h having a boss which surrounds' the hub of the holder b, adjacent balls being separated by arms i. Below the grinding-members is a bottom plate j which rotates with the holder b and has blades l on its underside so as to form a blower which draws in air through openings n in the mill casing k and forces a current of air between the casing and the outer ring d. The material to be ground is fed in through a central pipe p and is thrown by centrifugal force against the outer ring d, then falling between the rings and the balls. On reaching the plate j, the material is thrown against the casing k and is carried up by the air current over the grinding-members, on to which the coarser particles again fall, the finer material being carried hy the air current through an outlet q. The Specification as open to inspection under Sect. 91 (3) (a) states also that the grinding-rings may have relative movement in a vertical direction to secure uniform wear, and the outer ring may be slightly conical, so that a slight rotation about an horizontal axis is imparted to the balls. The loading-blocks f may be replaced by other means for producing radial pressure, viz. mechanical loading of various kinds, spring loading, tightening-devices, and means for creating pressure by air or liquid, and such means may act on either the outer or the inner ring, or on both. More than two grinding-rings may be used, and the inner ring. instead of being in sections, may be a single ring cut at one point only. The material may be raised from the plate j by centrifugal force, the plate then having a conical edge. This subject-matter does not appear in the Specification as accepted.
Patent GB-731486-A (GB)
Title: Improvements in multicontact electromagnetic relays
IPC: H01H51/06
Filed: 1953-05-15
Abstract: 731,486. Electromagnetic relays. WESTERN ELECTRIC CO., Inc. May 15, 1953 [May 24, 1952 ; May 24, 1952], No. 13659/53. Class 38 (5). A multi-contact electromagnetic relay comprises a plurality of fixed contact wires or springs 51 and movable contact wires or springs 50, 52 co-operating therewith, the moving contact wires each comprising two parallel wires which co-operate with a single fixed contact wire. The fixed and moving contact members are secured at their rearward ends to an insulating block 8 so as to be substantially parallel to each other, a further insulating member 14 being provided to reduce chatter of the contacts. At the front ends the fixed contacts are held in an insulating block 23 which is positioned relatively to the core 1 of the electromagnet 5 by a plate 25 which also services to align the ends of the E-shaped core 1 and, by virtue of a projection 26 therefrom, to form a back stop for the armature 11. The armature 11 is U-shaped, the ends 10 thereof being held by the ends of a U-shaped spring 9 about which ends the armature pivots, the spring 9 forming a restoring member for the armature. When the electromagnet 5 is energized the armature 11 assumes a position along the top surface of the core 1 and in doing so moves an " operating card 30 " downwardly and, since the moving contacts 50, 52 abut edges of the card 30 and that the contacts 50, 52 are pre-stressed, will cause the contacts 50 to break contact with the fixed contacts 51 and contacts 52 to make therewith. Upon deenergization the relay is returned to its normal position by springs 9, 16, 55. By suitably contouring the card 30 any desired sequence of makes and breaks may be achieved, some earlier than others, and the card 30 may be changed for another to give a different set of operations. In a second embodiment the fixed contact wires and springs are arranged at right angles to the moving contact wires or springs.
Patent GB-443322-A (GB)
Title: Improvements in the rims of wheels
IPC: B60B25/04
Filed: 1935-05-09
Abstract: 443,322. Vehicle wheels. KLOCKNERWERKE AKT. - GES., Rauxel, Castrop, Germany. May 9, 1935, No. 13686. Convention date, May 12, 1934. [Class 144 (ii)] Relates to a threepart wheel rim comprising a rim proper a, a closed side ring b, and a divided intermediate ring c. According to the invention, the opposed surfaces of the rim a and the ring b provide between them a shallow V-shaped space in the outer part of which the divided ring c is placed so as to contact with the whole of the opposed outer surfaces of the V-shaped space. A large gripping surface for the ring c is thus obtained so that securing means for this ring may be dispensed with. In cross-section, the ring c may have parallel or inwardly-diverging sides.
Patent GB-715465-A (GB)
Title: Improvements in or relating to catalytic conversion of oxygenated organic compound mixtures
IPC: C07C45/41
Filed: 1950-06-01
Abstract: The proportion of alcohols and/or ketones in a dilute aqueous mixture thereof with aldehydes and acids, which mixture has been separated from the reaction products obtained in the catalytic synthesis of hydrocarbons from carbon monoxide and hydrogen, is increased by contacting with a catalyst of the same composition as that used in said hydrocarbon synthesis, in the presence of hydrogen, at about 15-100 p.s.i. and 125-175 DEG  C. where an increase in ketones is desired or at 200 p.s.i. and above at 125-360 DEG  C. where an increase in alcohols is desired.  The feed should in general contain at least 5 per cent of the oxygenated compounds and 5 per cent water. The aqueous phase of the synthesis product which may be mixed with oxygenated compounds from the oil phase is a suitable feed.  Vapour or liquid phase operation may be employed with fixed or fluidized catalysts.  At low temperatures, 125-175 DEG  C., and 200-600 p.s.i. or above, using 1 vol. H2 to 1 vol. feed, the alcohol content is increased at the expense of the aldehydes.  At low temperatures and pressures, 125-175 DEG  C. and 15-100 p.s.i., the ketone content is increased at the expense of alcohols, aldehydes, and acids.  At high temperatures and pressures, 285-350 DEG  C. and 200-600 p.s.i. or above, both alcohols and ketones are increased.  The aqueous layer from a synthesis product is mixed with hydrogen in a saturator at from about 80 DEG  C. at 15 p.s.i. to 212 DEG  C. at 530 p.s.i. to give a vaporous mixture of about 50 per cent by weight of each.  It is then reacted, using mill scale in fluidized form as catalyst, and an aqueous fraction separated which is fractionated to recover alcohols or ketones while the remainder is mixed with the original feed.  In examples: (1) an aqueous phase from a hydrocarbon synthesis using a fluidized iron catalyst is treated with a similar catalyst and an equal volume of hydrogen at 150 DEG  C. and 15 p.s.i. to give an increase in ketones, particularly acetone; (2) treatment is effected using a fixed catalyst in a batch operation at 125 DEG  C. and 450 p.s.i. with a gain in ethanol; (3) treatment as in (1) but at 315 DEG  C. and 450 p.s.i. gives a gain in ethanol and acetone; (4) treatment as in (1) but with a 4 : 1 ratio of hydrogen and at 315 DEG C. and 550 p.s.i. shows a gain in ethanol and acetone; (5) an aqueous mixture of acetic and higher fatty acids is treated at 315 DEG  C. and 400 p.s.i., illustrating the conversion of acids to aldehydes and alcohols.
Patent GB-137223-A (GB)
Abstract: 137,223. Lishman, A. W. May 16,1919. Electro - magnetic current meters; power meters; resistances, measuring.-The magnet A of a moving-coil instrument has the pole-pieces B, C formed as nearly-complete cylinders, one within the other. The ends are closed by removable disks D, E, Fig. 3, having a central hole and a small segment cut away. Three sides of the coil F are thus situated in a uniform magnetic field, the fourth side passing through the centre of the inner pole-piece B. An open and uniform scale is thus obtained. The magnet A may be permanent or an electro-magnet. The pole-pieces may be integral with the magnet A or separate therefrom; they may be laminated. The invention is applicable to current and pressure meters, resistance meters, power meters, and signalling- apparatus.
Patent GB-618441-A (GB)
Title: Improvements in and relating to two stroke cycle internal combustion engines
IPC: F01L5/10
Filed: 1946-05-07
Abstract: 618,441. Two-stroke engines. FARKAS, P. May 7, 1946, No. 13840. Convention date, Aug. 10, 1940. [Classes 7 (ii) and 7 (vi)] In a two-stroke engine a long expansion stroke is produced by delaying the commencement of the exhaust period, which extends from OE, to FE, and the work of compression in the cylinder is reduced by arranging the admission period to extend from OA to FA, i.e. until the last half of the compression stroke. In Fig. 6 exhaust ports 9 are opened by a rotary sleeve valve 7 and closed by the piston, and admission is controlled by a poppet valve 2, but modifications are described in some of which the valve reciprocates or has both oscillatory or reciprocatory movements, and in which it has further ports controlling the admission. In others, poppet valves are used for both inlet and exhaust, and in one, rich mixture is blown into the cylinder past a poppet valve in addition to air. The Specification as open to inspection under Sect. 91 comprises also a piston head and combustion chamber insulated with asbestos protected by metal plates. This subjectmatter does not appear in the Specification as accepted,
Patent GB-543774-A (GB)
Title: Improvements in and relating to the cuffs of shirts
IPC: A41B7/00
Filed: 1940-09-07
Abstract: 543,774. Shirt-cuffs. McCALLUM, J. C. Sept. 7, 1940, No. 13977. [Class 141] The outside fold of a shirt cuff is provided with a buttonhole 7 as usual, but the inside fold is provided with an elongated slit 8 disposed at right angles to the buttonhole 7, and preferably half as long again. The buttonhole 8 is approximately the same distance from the edge of the cuff as the outer end of the buttonhole 7.
Patent GB-481704-A (GB)
Title: Improvements relating to hair curlers
IPC: A45D2/20
Filed: 1937-05-20
Abstract: 481,704. Hair - curling appliances. COGGANS, J., and KELSO, R. May 20, 1937, No. 14025. [Class 131] A hair-curler comprises a firm tubular rubber rod 1 having a longitudinal slot 2 and an integral flexible rubber arm 3 of considerably less thickness than the rod adapted to be folded upon the rod and fastened thereto by a loop at its free end 7.
Patent GB-1016949-A (GB)
Title: Improvements in or relating to coin-feed metering devices
IPC: G07F15/00
Filed: 1964-04-06
Abstract: 1,016,949. Coin-freed meters. J. J. O'GRADY. April 6, 1964 [June 6, 1963], No. 14055/64. Heading G4V. An electricity or gas meter 1 has a coin slot shutter 27 automatically actuated by detachment of the coin box to prevent the discharge of a coin from the coin receiver 2 of the meter or the insertion of a coin into the receiver when the coin box is detached from the meter. The coin box 3, Fig. 2 (not shown) is provided with angle sections 22 on its upper face which slidingly engage runners 23 on the underface of the coin receiver 2, a locking member on the meter being adapted to swing into position in alignment with a lug 13 on the coin box for a padlock, the key of which is held by the customer. When payment is to be made, the customer unlocks and removes the coin box and takes it to the offices where the account is to be paid; a cover on the bottom of the coin box is then unlocked by a key held by an official and the contents removed. The shutter 27 is pivoted about a pin 28 against the action of a spring 33 into its slot-closing position (as shown) by an arm 29, 30 which projects through a slot 31 into the path of one of the angle sections 22; when the coin box is placed in position, the arm 29, 30 is moved by the angle section along the slot so that the shutter moves to the " open " position. The shutter may be electrically operated and, if desired, may equally be applied to the coin-receiving slot 4.
Patent GB-1499787-A (GB)
Title: Single roll disintegrator
IPC: B02C4/10
Filed: 1976-04-07
Abstract: 1499787 Roller mills; crushing coal AULMANN & BECKSCHULTE MASCHINENFABRIK 7 April 1976 [12 April 1975] 14089/76 Heading B2A A single roll disintegrator for breaking up e.g. coal on a conveyor comprises a forked mounting 2 Fig. 1 pivotable about a horizontal axis 1, a breaker roll 3 Fig. 2 mounted therein parallel to the axis, beater tools 5 fitted on a shaft 4 of the breaker roll beneath which tools is a breaker plate 6, the distance of which from the breaker roll defines the dimension of a passage for the material to be broken up. The disintegrator shaft is mounted outside the beater tools 5 and near the shaft ends. These discs form lateral boundaries of the passage. The forked mounting is adjusted by a cylinder/piston unit 14 and adjustable for height by a height adjusting device 15. The apparatus is driven by a motor (18) and flat gearbox (16) Fig. 3 not shown. The tools 5 comprise disc segments 11 with beater heads 12 arranged in pairs 180‹ apart and spaced by rings 13.