baber/WOPTO huggingface dataset:
Patent GB-1011603-A (GB)
Title: Art of removing scale in multiple unit evaporator systems
IPC: B01D1/26
Filed: 1963-05-01
Abstract: 1,011,603. Removal of scale from multi-unit evaporators. AQUA-CHEM. May 1, 1963 [May 2, 1962], No. 17135/63. Heading B1B. In a multi-unit evaporator for concentrating sulphite liquor and other aqueous solutions, scale is removed from the heat-exchange surfaces by rinsing the scaled surfaces with the condensate of the water-vapour evaporated from the liquor, a valve system being provided so that each unit can be taken out of service in turn for rinsing while the other units are maintained in operation. The apparatus shown comprises three evaporators 1, 2, 3 ; and it will be assumed that the valves are adjusted so that sulphite liquor, introduced through conduit 10, is being concentrated in evaporators 1 and 2, while the heat-exchange tubes 323 of evaporator 3 are being descaled. The evaporators are of the vapour-compression type, but the principle may be applied to a multiple-effect evaporator. In the operation of evaporator 1, the sulphite liquor enters the top of deaerator 15 via conduit 11, and flows down into hotwell 16 where it mixes with concentrated liquor. The mixture is continuously withdrawn from hotwell 16 through line 18, and some of it is pumped to spray-head 21 from which it is sprayed on to heat-exchange tubes 23. Part of the water vaporizes from the liquor as it flows over the hot tubes, and the vapour passes through demister 25 into conduit 27 which leads to compressor 28. The compressed vapour passes through conduit 30, where it is desuperheated by condensate-spray 63, and is then introduced into the heat-exchange tubes 23. The condensate formed in tubes 23 is purged of non-condensible gases by valve 34 and withdrawn through line 33 to hotwell 36. Evaporator 2 operates in a similar manner. Concentrated product, containing 14-40% solids, is removed from the system via conduits 46, 246 and 49. The condensate is pumped from hotwell 36 through conduits 39 and 41, and introduced through conduit 311 into the deaerator 315 of evaporator 3. The wash water collecting in hotwell 316 is pumped via conduit 320 to spray-head 321, and sprayed over heat-exchange tubes 323. Some of the condensate is taken from conduit 39 through conduits 42 and 343, and is sprayed into demister 325. During rinsing of evaporator 3, valve 332 is closed to prevent delivery of compressed vapour from compressor 28 into tubes 323. Spent wash water is discharged from the system via lines 354 and 58. Excess condensate, i.e. that not used for rinsing, is withdrawn through line 59. After evaporator 3 has been rinsed, the valves are adjusted so that it is put back in the evaporating cycle, and evaporator 1 or 2 is put on the rinse-cycle. Compressor 28 is operated by steam-turbine 29; and the exhaust steam from the turbine may be introduced into conduits 27 and 30.
Patent GB-255086-A (GB)
Title: Manufacture of mordant dyestuffs
IPC: C09B35/04
Filed: 1926-07-08
Abstract: 255,086. Durand & Huguenin Akt.- Ges. July 13, 1925, [Convention date] Disazo dyes are made by diazotizing p-phenylenediamine sulphonic acid in two stages, and coupling after each stage with an aryl-o-oxycarboxylic acid. For the first diazotization, either a monoacyl derivative or a p-nitraniline sulphonic acid is employed, the acyl group being saponified, or the nitro group reduced, in the product before proceeding to the second diazotization. In examples (1) the monoazo dyestuff from sodium p-nitraniline sulphonate and salicyclic acid is reduced with sodium disulphide and the amino body thus produced is diazotized and coupled with salicylic acid, and (2) the monoacetyl derivative of p-phenylenediamine sulphonic acid is diazotized, coupled with m-cresotinic acid, saponified by boiling with caustic soda lye, rediazotized, and coupled with salicylic acid. The products dye chromed wool brownish-orange tints, and give reddish-orange tints of good fastness when chrome-printed on cotton.
Patent GB-1168385-A (GB)
Title: Improvements in or relating to methods of Extruding Metals
IPC: B21C23/32
Filed: 1968-04-10
Abstract: 1,168,385. Extruding. MANNESMANN A.G. 10 April, 1968 [12 April, 1967], No. 17167/68. Heading B3P. In an extrusion process the workpiece is coated with a material having a softening interval such as glass and the pressing tool is lubricated with a material having a fixed melting point. The glass is formed by applying a glass forming powder containing silica gel, boron oxide and sodium chloride to a heated workpiece. The sodium chloride reacts with any oxide formed on the workpiece and in the case of steel workpieces ferric chloride is formed which is volatile. A plate of annealed sodium carbonate is positioned between the workpiece and the tool to lubricate the tool. A sodium-rich glass forms on the workpiece after forging and it can be removed by hydraulic descaling.
Patent GB-595516-A (GB)
Title: Tipping mechanism for emptying refuse collecting vehicles
IPC: B65F3/26
Filed: 1945-07-05
Abstract: 595,516. Refuse collecting vehicles. SCAMMELL LORRIES, Ltd., HUGH, P. G., and WATTS, L. D. July 5, 1945, No. 17185. [Class 108 (i) ] A refuse collecting vehicle is provided with hydraulic cylinders and rams for tipping the body located in a space between the forward end of the tipping body and a cab on the vehicle frame; the loading receptacle being interconnected with the body and the vehicle frame by flexible cables, so that the loading receptacle will be automatically displaced to uncover the discharge opening when the body is tipped to discharge its contents. A tractor-trailer vehicle is shown of the kind described in Specification 467,479 comprising a collecting body 1 hinged at its rear end to the trailer frame 2 and carrying a hinged loading receptacle 7 normally covering the opening in the body through which the refuse is 'discharged. The receptacle 7 is provided with a travelling scoop for distributing the refuse in the body 1. The hydraulic cylinders 26 for tipping the body 1 are located in the space between the forward end of the body and an attendants cab 20 at the front of the trailer portion of the vehicle. The ends of cables 16 are attached to the trailer frame at 19, and to the outer ends of horizontal arms 9 pivoted on the hinges for the receptacle 7. Rods 11 carrying adjustable nuts 12 engageable with abutments 13 on the receptacle are attached to the outer ends of the arms 9, and cables 14 connect the members 9 with catches 15 which engage the rim of the body 1 when the receptacle 7 is in the closed position. The tilting rams 26 are supplied with pressure liquid by an engine-driven pump 30, from a reservoir 31 on the tractor. The initial tilting movement tensions the cables 16 to release the catches 15, and the nuts 12 then engage the abutments 13 on the receptacle 7 so that the latter is swung from the body 1 as the latter tilts more steeply, thus uncovering the discharge opening at the rear of the body. A return spring enclosed in a cover 40 assists retraction of the body.
Patent GB-615483-A (GB)
Title: Improvements relating to microphones
IPC: H04R3/00
Filed: 1946-01-06
Abstract: 615,483. Telephone transmitters and circuits therefor. ZYSZKOWSKI, Z. M. June 6, 1946, No. 17271. [Class 40 (iv)] Negative feed-back is applied to the cliaphragm of a carbon-granule transmitter by means of an electromagnet fed from the output of the transmitter. Series, parallel or seriesparallel feed-back may be used. A circuit is shown in Fig. 4 for a local battery transmitter in which the electromagnet is provided with two coils E<SP>1</SP>, E<SP>2</SP> for series and parallel feedback respectively. Suitable networks may be introduced in the feed-back paths at K, e.g. to discriminate against unwanted frequencies. The feed-back may also be amplified at K if desired. Fig. 5 shows a series-parallel feedback circuit for a transmitter for use in a central battery system.
Patent GB-1030650-A (GB)
Title: Improvements in and relating to a bedside support
IPC: A61G7/053
Filed: 1965-04-23
Abstract: 1,030,650. Bedsteads. B. M. FAHRNE and E. J. SMITH. April 23, 1965 [April 25, 1964], No. 17321/65. Heading A4J. A bedside support 10 comprises an elongated standard 12 connected to a side frame member of the bed. A handgrip 16 encircles the standard adjacent its upper end and is connected to the standard by a plurality of rods 24. The standard consists of an upper stem 20 slidably received in a  sleeve 22. The sleeve may be welded to the bedframe or secured to it by a connector 32. a brace 97 is provided for the support 10.
Patent GB-1049102-A (GB)
Title: Process for agglomeration of dry pulverulent flour base material
Inventor: FIDLOW ROLF GUNNAR
IPC: A23P10/20
Filed: 1964-04-27
Abstract: 1,049,102. Agglomerating flour, dispersible food agglomerates. PILLSBURY CO. April 27, 1964, No. 17429/64. Headings A2E and A2Q. In agglomerating a cereal flour containing less than 3.5%, by weight of watersoluble adhesive protein, the flour M is fed, by a helical conveyer 11, from a hopper 10 and through an opening 13a, into a mixing tube 13, into which a spray of water, or water and steam, is injected, through a pipe 17. The flour is agitated and impacted and carried through the tube, to its outlet opening 13b, by a mixing conveyer comprising a rapidly rotating shaft 15 having radially extending arms 16 secured thereon in staggered spiral fashion and terminating in paddles or blades 14, which are set at an angle to the shaft to function as a discontinuous helical mixing conveyer. The particles of flour are thus dispersed in the tube 13 and their moisture content is increased by 10 to 30%, by weight, so that some of their protein is hydrated, i.e. glutenized, and forms adhesive gluten on their surfaces, and the particles are thus brought into contact and held together to form clusters or agglomerates. The agglomerated flour A passes, through a shoot 18, on to the vibrating screen 19 of a vibratory conveyer 20. Heated air, e.g. at a temperature of 270‹F., supplied through a duct 21,. is passed upwardly through the screen 19 to dry the flour and is recirculated or exhausted through a duct 22. The dried flour then passes on to a coarser screen 23 on which over-sized agglomerates are retained for removal and regrinding and return to the hopper 10. The desired fraction of dry agglomerated flour passes through the screen 23 on to a fine screen 24, from which it is discharged. Cool air, supplied through a duct 25, is passed upwardly through the screens 24 and 23, to cool the agglomerate fractions, and is then exhausted through a duct 26. Flour agglomerated and classified according to the invention is dispersible, free-flowing, dustfree, penetrable and readily wettable, and has a loose bulk density not less than that of the original flour.
Patent GB-834053-A (GB)
Title: Improvements in or relating to travelling models and means for moving and guiding them
IPC: A63H18/10
Filed: 1957-06-03
Abstract: 834,053. Magnetic toys or games; educational models. MARTIN, P. R. Sept. 2, 1958 [June 3, 1957], No. 17513/57. Classes 132(2), 132(3) and 146(2) A model which travels on a non-magnetic sheet 8 is drawn along by a magnet 7 beneath the sheet. Such models can be made to compete against each other and can be used to demonstrate traffic control, safe driving, or military or naval tactics. As shown, the front wheels 5 of a model car are of soft iron, are mounted on magnetic half axles 6 and are attracted by a spool shaped magnet 7 which is constrained to roll along the underside of the sheet 8 by a wheeled bogie 10 running on, driven from, and remotely controlled through electric rails 11, the car front axle housing 2 being pivotally mounted, on balls 4 seated in apertures in a spring clip 3, so that the car can follow the path of the bogie. One bogie may push or pull others and there may be several bogie tracks. The car is released from the bogie when it passes over a soft iron panel let into the sheet 8, the bogie then being free to pass under and drive another car. In an alterative embodiment, the car axle and the spool may be of soft iron, the spool having a solenoid winding which is remotely controlled to "release" and "capture" cars.
Patent GB-944777-A (GB)
Title: Handle and band assemblies for teapots and like receptacles
IPC: A47J45/06
Filed: 1962-05-08
Abstract: 944,777. Handles for vessels. CORNING GLASS WORKS. May 8, 1962 [May 8, 1961], No. 17648/62. Heading A4A. A handle and band assembly for a teapot &c. comprises a flexible band 12 conformable about the pot and the ends of which have an interengaging hook 27 and hole 17, and a handle 14 having a pocket 33 for reception of the end portions 15, 25 of the band, a screw being provided which has a head 30 seated in a recess in the handle and which draws the end portions of the band into the pocket to tighten the band about the teapot and force the handle towards the pot. As shown in Fig. 4 the end portions are bent to enter the pocket and the overlapped portions 25, 15 have, respectively, a tapered aperture 28, through which the screw passes, and a threaded aperture 18 for engagement by the screw. In a modification, shown in Fig. 6, the band is in two parts one part 61 having apertured ends and the other part 65 bridging the ends and having a hole at each end to engage the apertures, a threaded aperture 68 for a clamping screw being provided.
Patent GB-588837-A (GB)
Title: Electric heating and welding appliance
IPC: B23K9/28
Filed: 1944-09-16
Abstract: 588,837. Welding electrode holders. ROBERTS, P. L. Sept. 16, 1944, No. 17753. [Class 39 (iii)] A hand arc torch comprises two electrodes 19 mounted in electrode holders 17a, 17c fitting on the slotted ends of rods 15a, 15c insulated from each other and in pivotal relationship about a common axis whereon gripping insulated handles 6, 16, the electrodes can be made to contact each other to strike an arc and then on relaxing the grip a spring 23 tends to separate the electrodes so maintaing an arc for use in heating, soldering, welding, &c. A stop 21 limits the movement. of the handle lever 16. Electric leads connect to the handle 6 and the insulated metal annulus 9 carrying the handle lever 16 and rod 15a.
Patent GB-650289-A (GB)
Title: Process for the isomerisation of keto-octahydrophenanthrene carboxylic acid esters
Filed: 1948-07-01
Abstract: 1 - Keto - 2 - methyl - 7 - alkoxy - 1 : 2 : 3 : 4 : 9 : 10 : 11 : 12 - octahydrophenanthrene - 2 - carboxylic acid methyl esters are converted into stereoisomeric forms by treatment with an alkaline agent; the starting material is the 7-methoxy compound which melts at 87-89 DEG  C. or a homologue which has the same steric p configuration (e.g. the ethoxy compound), and may be obtained by separation of a mixture of the isomers described in Specification 645,765.  The alkaline agent may be an alkali or alkaline earth hydroxide, carbonate or bicarbonate, ammonia, a strong organic base such as trimethylbenzyl-ammonium hydroxide or an alkaline adsorptive agent such as alumina.  The process may be carried out in the presence of an organic solvent and in the presence or absence of water.  Examples show the production of 1 - keto - 2 - methyl - 7 - methoxy - 1 : 2 : 3 : 4 : 9 : 10 : 11 : 12 - octahydrophenanthrene - 2 - carboxylic acid methyl ester melting at 133-135 DEG  C.  In the Specification as open to inspection under Sect. 91, the process is applied to 1-keto-2 - alkyl - 1 : 2 : 3 : 4 : 9 : 10 : 11 : 12 - octahydrophenanthrene - 2 - carboxylic acid esters in general.  The 2-alkyl group may be ethyl, and the ethyl, propyl and butyl esters are mentioned.  The 7-position may be unsubstituted, or may contain a free hydroxy group, an aralkoxy group such as benzyloxy or an acyloxy group, e.g. acetoxy, propionoxy or benzoyloxy.  This subject-matter does not appear in the Specification as accepted.
Patent GB-1160169-A (GB)
Title: Improvements in or relating to Inflatable Life Rafts
Inventor: GEMEINHARDT WERNER
IPC: B63C9/02
Filed: 1967-04-19
Abstract: 1,160,169. Inflatable craft. HANS SCHEIBERT, [trading as DEUTSCHE SCHLAUCHBOOTFABRIK HANS SCHEIBERT]. 19 April, 1967 [26 May, 1966], No. 18103/67. Headings B7A and B7S. In an inflatable life raft having an awning 3 of fabric coated with rubber or plastics secured to the gunwale and extending upwardly to a point, the awning has a suspension fitting 6 securely fixed to the fabric itself. The fitting 6 has a stirrup-shaped portion 7 through which suspension ropes 8 attached to the raft floor may be passed. The awning is supported by struts 5. Two forms of suspension fitting and their fixing to the fabric of the awning are described and illustrated.
Patent GB-1147225-A (GB)
Title: Improvements in glow plugs for internal combustion engines
IPC: F23Q7/00
Filed: 1966-04-26
Abstract: 1,147,225. Glow plugs. ROBERT BOSCH G.m.b.H. April 26, 1966[May 6, 1965], No.18111/66. Heading F1B. In a glow plug the connecting stud 6 is tightly sealed against the housing bore 3 and electrically insulated by a seal formed of a portion of tube 10 of oil resistant resilient material surrounding the stud and compressed in the plug housing beneath an insulating disc 9 fitted between a nut 8 screwed on to the stud and the seal and pressed by the nut against the end face 7 of the housing. In a modification the housing contains a thin walled annular chamber and the thin wall is reduced in diameter to radially compress the resilient tube portion. The tube 10 may be of silicone rubber.
Patent GB-666348-A (GB)
Title: Method and apparatus to indicate or observe progressive exercise of injured sphincter muscles
IPC: A61H21/00
Filed: 1949-07-08
Abstract: 666,348. Rectal appliances. KEGEL, A. H. July 8, 1949, No. 18137/49. Class 81 (ii). An appliance for use in exercising the anal sphincter muscle comprises a compressible member, for insertion in the muscle, combined with means for indicating pressure exerted on it. In the form described a core member 2 has a flexible closed cover 10 stretched over it and retained by a rubber guard 7. It is inserted in the rectum and muscular contractions result in changes of pressure in the internal space 13, which are communicated through a conduit 8 to an external pressure gauge to indicate the magnitude of such changes. In a modified form a bulb, fitted with non-return valves, is joined into a point in the connecting tube so that initial internal pressures above atmospheric may be used.
Patent GB-702884-A (GB)
Title: Improvements in or relating to shellac-bonded abrasive articles and methods of manufacturing the same
IPC: C08L75/04
Filed: 1952-07-17
Abstract: A bonded abrasive article such as a grinding wheel or a sharpening stone comprises a mass of abrasive grains bonded with a bond comprising the heat-hardened reaction product of a mixture comprising shellac and melamine.  In examples (1) and (2) cold press mixes consist of silicon carbide, shellac-melamine mixture, and alkaline-catalyzed phenol-formaldehyde condensation product in liquid form, tetrahydrofurfuryl alcohol and raw linseed oil and (3) a hot press mix consists of aluminium oxide, raw linseed oil and shellac-melamine mixture.  In the cold mixes other solvents such as lactic acid, diethylene glycol and acetophenone; other oils such as boiled linseed oil, chinawood oil, castor oil, and lubricating oils may be used.  Also, up to 35 per cent. of the shellac may be replaced by a heat-hardenable synthetic resin such as powdered phenol-, urea-, or melamine-formaldehyde condensation product, an alkyd resin or a condensation product of a diphenol with epichlorhydrin or with a diglycidyl ether of a diphenol. Fillers such as clay or cryolite may also be added.ALSO:A bonded abrasive article such as a grinding wheel or a sharpening stone comprises a mass of abrasive grains bonded with a bond comprising the heat-hardened reaction product of a mixture comprising shellac and melamine.  In Examples (1) and (2) cold press mixes consist of silicon carbide. shellac-melamine mixture, and alkaline - catalysed phenol - formaldehyde condensation product in liquid form, tetrahydrofurfuryl alcohol and raw linseed oil, and (3) a hot press mix consists of aluminium oxide, raw linseed oil and shellac-melamine mixture.  In the cold mixes other solvents such as lactic acid, diethylene glycol and acetophenone; other oils such as boiled linseed oil, chinawood oil, castor oil, and lubricating oils may be used.  Also, up to 35 per cent. of the shellac may be replaced by a heat-hardenable synthetic resin such as powdered phenol-, urea-, or melamine-formaldehyde condensation product, an alkyd resin or a condensation product of a diphenol with epichlorhydrin or with a diglycidyl ether of a diphenol.  Fillers such as clay or cryolite may also be added.
Patent GB-594465-A (GB)
Title: Improvement in rotor pivots
IPC: F16C19/52
Filed: 1944-09-22
Abstract: 594,465. Securing gyro-rotors on shafts. JACK & HEINTZ RESEARCH CORPORATION. Sept. 22, 1944, No. 18144. Convention date, Aug. 2, 1943. [Class 80(ii)] [Also in Group XX] A rotor shaft has its journals 7, 8 spaced by an insert 13 of material having the same or approximately the same coefficient of expansion as the material of the rotor 2 so as to minimise the effect of temperature change on dynamic balance. The journals are preferably of steel and the rotor and insert of magnesium or aluminium. The insert is a press fit in the journals and its length is approximately the same as the width of the rotor hub.
Patent GB-658011-A (GB)
Title: Arrangement for the fixing of the wheels of bicycles, including an eccentric controlling member
IPC: B62K25/02
Filed: 1949-07-08
Abstract: 658,011. Detachable wheel mountings for cycles. CAMPAGNOCO, T. July 8, 1949, No. 18171. Convention date, Dec. 6, 1948. [Class 136 (ii) ] [Also in Group XXII] In a cam arrangement for clamping the wheels of bicycles a lever 4 is mounted at the end of the axle spindle 1 in such a manner that it may be rotated in a plane containing the spindle and a clamping cup 5 is slidable on the spindle between a coiled spring 6 engaging the fork 7 and a cam 41 forming part of the lever 4, the lever being formed integral with the cam by shearing and punching or stamping from a sheet of metal.
Patent GB-1470439-A (GB)
Title: Roller way conveying systems
IPC: B65G47/29
Filed: 1975-04-18
Abstract: 1470439 Rollerways DEXION-COMINO INTERNATIONAL Ltd 18 April 1975 [25 April 1974] 18227/74 Heading B8A The downstream end of a rollerway comprises an end stop 3 which is moved to a depressed portion locked over a fixed member 5 by a load which is braked by riding up on to the stop 3, and a separator pawl 24 which is held in an intercepting position when the stop 3 is depressed, via a connector 12.
Patent GB-275404-A (GB)
Title: Apparatus for atomising and drying liquids
IPC: A23C1/04
Filed: 1926-07-21
Abstract: 275,404. Nyrop, A. July 21, 1926. Spray evaporators.-In drying milk, mud, &c. the liquid is sprayed through an atomizer 3, which may be of the kind described in Specification 237,607. [Class 69 (iii), Spray-producers &c.], into a vessel 1 which receives air through an annular chamber 2 supplied by a radial pipe and discharges it through a central pipe 4 projecting above the bottom of the vessel. The particles of liquid follow a spiral course as indicated in dotted lines. The air may be given a vibratory mction by an intermittently-acting valve or the like in the supply pipe or in the outlet pipe 4.