baber/WOPTO huggingface dataset:
Patent GB-1531324-A (GB)
Title: Vehicle levelling device
IPC: B60G17/00
Filed: 1976-01-22
Abstract: 1531324 Self-levelling suspension units with light sensitive sensors MONROE AUTO EQUIPMENT CO 22 Jan 1976 [9 June 1975] 2535/76 Heading F2S A levelling strut for a vehicle suspension comprises a telescopic damper 50 around which a dust shield 60 and a rolling diaphragm 70 form an air spring chamber 76, a light source 80 mounted on one side of the shield 60, and a pair of light sensitive devices 92, 94 mounted on the other side of the shield so that the light paths from the source 80 to the devices 92, 94 are interrupted by the damper 50 at high and low suspension levels respectively. The light source 80 may be a light emitting diode or filament lamp, and the light sensitive devices 92, 94 are photoresistors or phototransistors which are connected to transistor switching circuits, Fig. 4 (not shown), which after a predetermined time delay following interruption of the light path to the device 92, or exposure of the device 94 to light energize a respective coil for operating an electrically-driven compressor to supply air to the chamber 76 or for opening a valve to release air from the chamber. The strut shown and a similar one without level sensing means are used as auxiliary springs which support the body of an automotive vehicle on its rear axle.
Patent GB-721198-A (GB)
Title: Improved steel insert for concrete bodies
Inventor: HOLZAPFEL JOSEF
IPC: E04C5/08
Filed: 1951-02-02
Abstract: 721,198. Concrete reinforcement. MOLL BAUUNTERNEHMUNG GES., L. Feb. 2, 1951, No. 2673/51. Drawings to Specification. Class 20 (4). Pretensioned steel wire for reinforced concrete has a cross-section other than circular, with straight or curved sides, in the form, e.g., of a rectangle, cross, or part of a circle, and may be folded, curved or twisted. Its surface is rendered unsmooth either by sand blasting, grinding, &c., or by corrugating, rolling on ribs, goffering or notching. Band steel may be impressed with ribs, &c., to provide protuberances and notches on opposite sides, the reinforcement may also have middle or side perforations; periodic or irregular narrowing or thickening and a uniform or varied surface.
Patent GB-674944-A (GB)
Title: Improvements in vehicle brakes
IPC: F16D65/10
Filed: 1949-02-01
Abstract: 674,944. Brake drums. DUNLOP RUBBER CO., Ltd., and BUTLER, H. J. Jan. 12, 1950 [Feb. 1, 1949], No. 2694/49. Class 103 (i). A brake drum comprises a backing member 1 and a springy metal friction element 5 locally attached thereto but spaced away from the backing member between the points of attach. ment. As shown in Figs. 1 and 2, the element 5 consists of a strip of metal, preferably beryllium-copper, which passes round the drum in and out of alternate circumferentially spaced slots 4, the parts of the strip intermediate the slots standing away from the drum. In operation, they are pressed into contact with the drum as a shoe passes over them and by springing away afterwards are readily cooled by air blowing between them and the drum, the latter receiving heat only by conduction. In modifications described, the strips may be in one continuous length arranged in a spiral. As shown in Fig. 3, separate lengths of strip 6 are wound helically 'between adjacent slots 4. In another form of the invention, the slots for adjacent strips are staggered circumferentially the strips being disposed on each side of the drum with their ends secured together in the slots. Specification 650,499 is referred to.
Patent GB-392134-A (GB)
Title: Improvements in or relating to the preparation of catalysts for hydrogenating and other reactions
IPC: B01J21/00
Filed: 1933-01-27
Abstract: Catalysts comprising base non-ferrous metals which form complex ions with ammonia are prepared by precipitating the oxide or hydroxide from its solution in an excess of ammonia or an amine, the precipitation being effected by removing the excess of ammonia or amine.  The precipitate may subsequently be reduced. Examples of suitable metals are copper, zinc, silver, and cadmium. Mixed precipitates may be prepared, in particular mixtures of readily reducible and difficultly reducible oxides such as copper and zinc. The precipitation may be effected in the presence of suspended inert carriers or of hydroxides which are not soluble in excess of ammonia such as those of manganese, lead, or tin. According to a typical example, kieselguhr is added to an ammoniacal solution of zinc and copper nitrates, and air is blown through the mixture at 70 DEG  C. to remove ammonia.  An intimate mixture of kieselguhr with zinc and copper hydroxides is obtained and after washing and drying is reduced in hydrogen.  The catalysts are particularly suitable for hydrogenation reactions, such as the hydrogenation of compounds containing a carbonyl group, of nitro-compounds and nitriles, the conversion of aldehydes and ketones to alcohols, of sugars to polyalcohols, of acids and esters to the corresponding alcohols or hydrocarbons. They may also be used for dehydrogenation reactions such as the conversion of alcohols to aldehydes and ketones of isoborneol to camphor, and of hydroaromatic compounds to aromatic compounds.
Patent GB-542989-A (GB)
Title: Improvements in or relating to the conversion of hydrocarbon oils in the presence of powdered contact materials
IPC: C10G11/18
Filed: 1940-02-13
Abstract: 542,989. Cracking and hydrogenating oils. STANDARD OIL DEVELOPMENT CO. Feb. 13, 1940, No. 2733. Convention date, April 15, 1939. [A Specification was laid open to inspection under Sect. 91 of the Acts, Aug. 17, 1940.] [Class 32] In the conversion of topped or reduced crude oils into gasoline, gas oil &c. by passing the oils in admixture with a suspension of solid contact material in a gaseous medium, e.g. steam, through a heated re-action vessel of restricted cross section, relatively high temperatures of the order of 950-1100‹ F. are employed and the reaction vessel is maintained free from carbonaceous deposits by the use of a contact material having abrasive properties, e.g. pumice, which has a scouring action on the walls of the reaction vessel. Heavy oil is vaporised in coil 2 and mixed with a suspension of contact material' in an inert gas as it flows through line 1a to the conversion coil heated to 950-1100‹ F. in chamber 4. The conversion products flow to a cyclone 5 where the contaminated contact material is removed from the vapours which pass through line 1d to a cooler 43 and separator 44, from which condensate is taken to store tank 50. The contact material falls through the vessel 5a and is conveyed by conveyer 8 into regenerator flue 14 where it is mixed with a stream of regenerating gas introduced through line 26 and cycled continuously round flue 14 by a fan 11. The contact material after regeneration is separated from the gas at the entrance to the pipe 12 and falls in counter current to a stream of purging gas fed through line 29, down the baffled chamber 30 from which it is removed by conveyer 33 and fed to a chamber 34 where it is suspended with steam introduced through line 40 the suspension being injected into the line 1a and re-cycled with fresh oil to the reaction. Specification 525,443 is referred to.
Patent GB-563311-A (GB)
Title: Improvements relating to temperature controlling systems for electric heating apparatus
IPC: G05D23/24
Filed: 1943-02-18
Abstract: 563,311. Automatic control systems for electric heating apparatus. FERRANTI, Ltd., and NORRIS, E. D. T. Feb. 18, 1943, No. 2747. [Class 38 (iv)] [Also in Group XXXVII] An induction plate 1 is adapted to be driven in opposite senses by driving members 2, 3 responsive respectively to the voltage across a heating resistance 6 and the current through the resistance. When the temperature of this resistance and its resistance value are normal, the forces exerted by the driving elements are equal, but on a variation occurring, the disc actuates a switch 11 to cause a reversible motor 12 to operate a voltage regulator 13 in the direction required to restore the temperature to normal. In a modified form, the induction plate is a strip lying on rollers so that it may move longitudinally to actuate the switch. Tappings on the driving elements or impedances in series with them may permit adjustment. In a further modification, the driven member may actuate a switch short circuiting a resistance in series with the heating resistance.
Patent GB-269825-A (GB)
Title: Improvements in or relating to waistbands for skirts
IPC: A41F9/02
Filed: 1927-01-31
Abstract: 269,825. Brestichker, E. Jan. 31, 1927. Skirt parts.-A non- elastic waistband b for skirts is rendered expansible to various sizes by the provision of elastic inserts c preferably over the hips of the wearer. The band is sewn inside the skirt, the inserts lying between the band and the skirt. In order to conceal, and limit the expansion of, the inserts a second waistband in two parts d of inelastic material is attached outside the skirt. The two parts are connected by buckles e above the inserts. Fastening means g are arranged at the ends of the parts.
Patent GB-620889-A (GB)
Title: Improved electric motor construction
IPC: H02K1/18
Filed: 1947-01-29
Abstract: 620,889. Core supports for electric motors. GENERAL MOTORS CORPORATION. Jan. 29, 1947, No. 2764. Convention date, April 23, 1946. [Class 35] A laminated stator core, particularly for a compressor motor, is held in the motor casing by an intervening cylindrical sheet metal sleeve having corrugations gripping the outer core periphery, the sleeve having ears for locating the core axially. As shown, the sleeve 24 is split axially so that it can be sprung about the assembled laminµ (not shown) which are gripped by the corrugations 30 and held between the ears 32. An extension 26 of the sleeve can be gripped between the main part of the motor casing and an end cover thereof.
Patent GB-697775-A (GB)
Title: Disubstituted octahydronaphthalene-1, 2-dicarboxylic acid
IPC: C07C61/28
Filed: 1952-02-01
Abstract: 6 - Alkoxy - 8a - methyl - octahydronaphthalene - 1 : 2 - dicarboxylic acids of general formula <FORM:0697775/IV (b)/1> wherein R represents an alkyl group containing not more than eight carbon atoms, are prepared by heating maleic anhydride with a 1-methyl-2-vinyl-4-lower alkoxy-cyclohexene-1, in the presence of an inert solvent and a polymerization inhibitor, when the anhydride thus produced is hydrolysed to the dibasic acid. Polymerization inhibitors used include hydroquinone, tertiary butyl resorcinol and picric acid. In examples: (1) Maleic anhydride, 1 - methyl - 2 - vinyl - 4 - methoxy cyclohexene - 1 and hydroquinone are refluxed in dioxane, the volatile components removed, and the residue after purification hydrolysed with potassium hydroxide solution.  Acidification yields the crude 6-methoxy-8a-methyl-1 : 2 : 3 : 5 : 6 : 7 : 8 : 8a - octahydro - naphthalene - 1 : 2 - dicarboxylic acid.  (2) In a similar manner 6 - n - butoxy - 8a - methyl - 1 : 2 : 3 : 5 : 6 : 7 : 8 : 8a - octahydro - naphthalene - 1 : 2 - dicarboxylic acid and 6-iso-octyl-8a-methyl-1 : 2 : 3 : 5 : 6 : 7 : 8 : 8a - octahydronaphthalene - 1 : 2 - dicarboxylic acid are prepared from maleic anhydride with 1 - methyl - 2 - vinyl - 4 - n - butoxy - cyclohexene - 1 and 1 - methyl - 2 - vinyl - 4 - iso - octyloxy cyclohexene-1 respectively.  2 - Carbethoxy - 2 - (b  - diethylaminoethyl) - 4 - methoxycyclohexanone is prepared from 2-carbethoxy - 4 - methoxy - cyclohexanone and b  - diethyl aminoethyl chloride.  2 - (b  - diethylaminoethyl) - 4 - methoxycyclohexanone is prepared from the previous compound by treatment with 20 per cent sulphuric acid under reflux. 1-Methyl-2-(b -diethylaminoethyl) - 4 - methoxy - cyclohexanol - 1 is formed from the previous compound by treatment with methyl lithium in ether. 1-Methyl-2-(b -diethylaminoethyl) - 4 - methoxy - cyclohexene - 1 is prepared from the above compound by treatment with phosphorus tribromide in anhydrous benzene.  1 - Methyl - 2 - vinyl - 4 - methoxycyclohexene-1 is formed from the previous substance by treatment with excess methyl iodide, then moist silver oxide followed by thermal decomposition of the quaternary hydroxide.
Patent GB-510096-A (GB)
Title: Improvements in or relating to pressure gauges for use in air speed indicating apparatus
IPC: G01P5/14
Filed: 1938-01-28
Abstract: 510,096. Pressure gauges. MUNRO, Ltd., R. W., MUNRO, R. C., and COOPER, H. G. Jan. 28, 1938, No. 2802. [Class 106 (ii)] The diaphragm of the gauge is provided with a rigid back plate mounted on a nipple which is secured to the casing, and a bracket mounted on the nipple carries the indicating movement, the nipple having a large inlet bore provided with a choke in the form of a finely punctured flexible disc. A single diaphragm 1 is mounted on a rigid back plate 2 to form therewith a diaphragm chamber. The plate 2 has a nipple 3 on which is carried a rigid bracket formed by three arms 4 which carries the indicating mechanism. The arms radiate from a boss 6 clamped between nuts 7, 8 on the nipple. The unit comprising the diaphragm chamber and indicating mechanism is carried by the nipple 3 which is screwed into an enclosing casing 9. The bore 10 is provided with a choke formed by a thin disc 12 punctured with holes 13. A rod 14 attached to the inside of the diaphragm passes through the bore 11 with sufficient clearance for passage of air and ends in a head 15 which upon excessive pressure seats on the end of the bore 11 and chokes or closes it. The nipple 3 has an extension 16 for connection to the static tube, while the casing 9 has a nipple 17 for connection to the pressure tube. A lug 21 fixed to the diaphragm is slotted to receive a pin 22 fixed to a spindle 23 mounted between centres in posts 24, 28 carried by a plate 5. The posts also carry a plate 26 in which is an opening 27 through which a pin 28 on spindle 23 passes and bears against pivoted quadrant 29 meshing with a pinion 33 on the spindle of a pointer 36. The casing is closed by a glass cover 39 secured by a screwed clamping ring 40.
Patent GB-109576-A (GB)
Title: Improvements in and connected with Stop Valves.
Inventor: O'NEIL RODOLPH STUART
IPC: F16K41/02
Filed: 1917-02-26
Abstract: 109,576. O'Neil, R. S. Feb. 26, 1917. Leakage, stopping and discharging.-To facilitate repacking the stuffing-box surrounding a valve spindle, the spindle is fitted with a valvelike sealing collar adapted to engage a seating below the stutftng-box to close an annular chamber provided with a discharge passage leading to atmosphere. The collar 3 secured to the spindle 1 seats against a ring 5 screwed to the bush 6 of the stuffing-box and provided with a port 8 leading to a groove 9 on the rear face of the ring. The cover of the valve has a passage 12 leading to the groove 9 and opened at will to the atmosphere by a screwed plug 14 provided with a right-angle bore 15. The passage 12 may be used to lubricate the spindle, in which case it may have a number of cross passages 16 leading from it as shown in Fig. 2. The upper part of the spindle may be fitted with a lubricator comprising a box 17 filled through a hole 18 and containing absorbent material 19.
Patent GB-802908-A (GB)
Title: Improvements in and relating to the manufacture of masks of varying opacity and to screen structures for cathode ray tubes
IPC: H01J9/233
Filed: 1955-01-31
Abstract: 802,908. Colour television tube processes. PHILCO CORPORATION. Jan. 31, 1955 [Feb. 4, 1954], No. 2827/55. Class 39(1). Correcting masks for use in photographic methods for depositing phosphors and other materials on the concave side of a curved cathode-ray tube face are prepared photographically. Correction for depositing lines of different colour phosphors and indexing strips is obtained by photographing on a sensitized surface shaped like the C.R.T. an opaque mask with parallel transparent lines formed therein ; the printing light being projected from a point source. The exposed lines have pin-cushion distortions and are developed to form a mask, Fig. 1 (not shown). Flooding light from lamps 21 is then passed through the mask 10 with its opaque lines to print a pre-distorted mask on a plane photographic plate 19. The formation of the intermediate mask 10 may be avoided by forming the first image on a light-diffusing screen and projecting it direct onto a flat photographic plate. Separate masks are prepared for the materials to be deposited on the tube screens, to print from the concave side the lines on which the materials are left deposited as in the process described in Specification 788,661. A mask to correct for the non-uniformity of light illumination across the screen 10 when printed from the parallel-lined screen, is prepared by exposing a photo-sensitive surface of the curvature of the C.R.T. to light without interposition of the parallel-lined mask and developing it to a negative transparency, to be applied over the surface 10 when being printed. Four masks may be mounted into a rotatable frame with clamp catches determining the registering position of each mask, Fig. 4 (not shown).
Patent GB-368020-A (GB)
Title: Improvements in appliances for golf practice
IPC: A63B57/00
Filed: 1931-01-29
Abstract: 368,020. Golf-practising appliances. RADLEY, B. V., Sand Park, Shaldon, near Teignmouth, Devon. Jan. 29, 1931, No. 292. Addition to 330,595, [Class 132 (ii), Games]. [Class 132 (ii).] The golf-practising device forming the subjectmatter of the parent Specification is provided with a teeing-device, Figs. 1 and 2 and with a magazine, Fig. 4, for the balls. The teeing- device comprises a teeing-piece a terminating in a ball-receiving cup j normally disposed below an aperture a<1> in a rubber-covered plate a<2>. The ball is guided by a groove a<3> into position over the aperture a<1> and is then raised into position for striking by a lever b that moves the teeing-piece to the left, the cup being thus cammed upwardly to project through the aperture. The height of the tee is determined by an adjustable abutment k situated in the path of the lever b. The magazine comprises a helix r disposed between concentric cylinders p, q, the passage thus formed communicating at its lower end with a supply duct v for the teeing-apparatus.
Patent GB-419847-A (GB)
Title: Improvements relating to electric heaters, particularly immersion heaters for liquids
IPC: H05B3/04
Filed: 1934-01-29
Abstract: 419,847. Heating by electricity. JACKSON, R. A. F., 4, Melrose Gardens, Glasgow, and WILSON, A. V., 39, Merry Street, Motherwell, Lanarkshire. Jan. 29, 1934, No. 2927. [Class 39 (iii).] In an immersion heater comprising a sheathed straight wire element coiled to form a hollow tube which contacts directly with the fluid to be heated, the tube is mounted on a terminal block and for the greater part of its length is deformable, the part adjacent the block being stiffened by a fore-shortened perforated central tube. The sheathed element 17 may be coiled into two concentric tubes 18, 18<a> which, together with the perforated central tube 24 are fitted to the terminal block 20 by screw-threading the base of the heater into the wall 23 of the vessel to be heated. Stiffening ribs 19 or a wire mesh core may extend throughout the length of the tubes. In modifications, the coiled sheathed element may itself be wound helically to form the tube ; the coil may be wound on a screwshaped former to form an undulating tube ; or the sheathed element may be coiled longitudinally, the windings 17, Fig. 7, being mounted on a pair of formers 27 which permit circulation of the liquid through the heater. The coiled tube may be divergent from inlet to outlet. In use, the part of the heater 28, Fig. 8, extending clear of the central tube 24, is bent to any desired configuration. The heating element may comprise nickel-chrome wire with successive coverings of asbestos yarn, paper, braided asbestos and a protective sheath of tinned copper. In a modification, the wire is insulated from a jacket of asbestos 16, Fig. 10, by glass beads 34, the whole being enclosed in a copper sheath 17.
Patent GB-232719-A (GB)
Title: Improvements in or relating to visible signal devices for use on motor-cars and other vehicles
IPC: B60Q1/34
Filed: 1924-02-05
Abstract: 232,719. Robinson, F. W. J. Feb. 5, 1924. Road-traffic signals on vehicles. - Signalling apparatus for indicating intended turnings of road vehicles comprises casings D<1>, D<2> mounted at the ends of a tube B which is slidable in a double-slotted tube A by a handle C. One or other of the casings may be projected from the vehicle according to the direction of movement of the handle C, and a lamp contained in the casing may be lit by the engagement of contacts P, J<1> or I<2>, J<2>, the contacts I<1>, I<2> being carried on the inner tube. The handle comprises a thumb-piece L with a rod M attached to the inner tube and passing through slots in the front and back of the outer tube. The end of the rod M has a lip O which normally grips the outer tube A under the action of a spring N.
Patent GB-377110-A (GB)
Title: An improved method of and mechanism for extracting interconnecting threads between stitched books
IPC: B42B2/02
Filed: 1931-06-09
Abstract: 377,110. Book-stitching machines. POLLAK, J. E., 20, Holborn, London.- (Brehmer Geb; Plagwitz, Leipsic, Germany.) June 9, 1931, No. 3024/32. Divided on 372,974. [Class 112.] The severed interconnecting threads of a stitched book part are extracted by positive engaging means. The machine carries a pair of resilient arms 15, 16, Figs. 3 and 13, which terminate in a point 19 and hooks 17, 18. At the completion of the stitching of one book, the member carrying the hooks 17, 18 is advanced into the thread loop by suitable mechanism associated with the machine, Fig. 10, and the thread x cut at x<1>. The thread engages behind the hooks and as the book pad is fed forwards, the loose thread is pulled out of the stitch loop of the first signature of the new book. In the form shown in Fig. 3, the thread is pulled clear by the passage of the loop of cut thread down the widening arms 15, 16. In the form shown in Fig. 13, the cut loop is pulled partly out by the arms and the pulling out completed by engagement with the bookpad holder. Instead of being controlled automatically, the thread extracting device may be hand-operated and may be associated with a counting mechanism. Specification 362,820 is referred to.
Patent GB-1526555-A (GB)
Title: Brick tie
IPC: E04B1/41
Filed: 1975-08-27
Abstract: 1526555 Wall ties N W HAINES 27 Aug 1975 03059/78 Divided out of 1526554 Heading E1B A substantially planar elongate rigid wall tie for tying brickwork to a building framework, comprises a notch adjacent each end in one of the longitudinal edges the notches being tapered away from the longitudinal edge and of different nominal widths. The notches may be in the same or opposite longitudinal edges or four notches may be provided. The ends of the ties are provided with upwardly and downwardly projecting lips.