baber/WOPTO huggingface dataset:
Patent GB-496004-A (GB)
Title: Alkanol-amine salts of mandelic acid and process for producing them
IPC: C07C215/06
Filed: 1937-12-02
Abstract: Alkanolamine salts of mandelic acid are prepared by interaction of the compounds, preferably in a solvent using equimolecular proportions.  Amines mentioned are mono-and di-ethanolamines and mono- and tri-isopropanolamines.  The salts are useful for urinary antisepsis, being usually employed in conjunction with an acidifying agent such as ammonium chloride or nitrate in the proportions by weight of 1 part of acidifying agent and 2 to 5 parts of the salt.ALSO:Salts of mandelic acid with alkanolamines, e.g. mono- and di-ethanolamines and mono-and tri-isopropanolamines, are useful for urinary antisepsis, being usually employed in conjunction with an acidifying-agent such as ammonium chloride or nitrate in the proportions by weight of 1 part of acidifying-agent and 2 to 5 parts of the salt.  The remedies may be administered as enteric-coated tablets.
Patent GB-1386356-A (GB)
Title: Zone melting process
IPC: C30B13/18
Filed: 1972-07-17
Abstract: 1386356 Zone melting PREUSSAG AG 17 July 1972 [15 July 1971] 33407/72 Heading B1S In a zone melting process wherein the material treated is in the form of an elongated charge e.g. a tube, and through which an electrical charge is passed longitudinally, the melted zone is formed in the region of a cross-section narrower which constricts the cross-section of the charge only in this region. The narrower may be a plate with an aperture smaller than the charge. The aperture may be annular in shape or have a substantially conical widening inlet or outlet. The charge may be pressed with constant force against the narrower e.g. by weight of the charge and/or additional weights. The charge may be moved against a plurality of narrowers if desired. The charge may be purified or formed into a monocrystal using a seed crystal. As shown in the figure the charge 1 is connected by lines 2 and 3 to a current source 4, and the charge reduced in cross-section by narrower 5, formed with a slot-shaped aperture 6, provided with inlet 7 and an outlet 6 which has a curved wall 8.
Patent GB-1034945-A (GB)
Title: Production of n-substituted carbamic acid esters
Inventor: KOLB GUNTER
IPC: C08K5/205
Filed: 1964-08-17
Abstract: Compounds of the general formula R1CONHCH2NHCO2R2, wherein R1 represents an aliphatic or cycloaliphatic radical with a carbon-carbon double bond in the a -position which may be substituted by -CO2H, -CONH2 or -CONHCH2NHCO2R2, and R2 represents an alkyl, cycloalkyl, aralkyl or aryl radical, are prepared by reacting an a ,b -unsaturated carboxylic acid amide of the formula R1CONH2 with a carbamic acid ester of the formula NH2.CO2R2 in the presence of formaldehyde or a formaldehyde yielding agent at a pH below 7.  The corresponding formaldehyde precondensates of the a : b -unsaturated carboxylic acid amides or of the carbamic acid esters, of the formulae R1CONHCH2OH and HOCH2.NH.CO2R2 respectively, can be used in place of their individual starting materials. The reaction may be effected with or without solvent, preferably in the aqueous phase, and it is preferred to add a polymerization inhibitor to the reaction mixture.
Patent GB-325801-A (GB)
Title: Improved portable means for cleaning the hands, specially applicable for use by drivers of motor vehicles
IPC: A47K7/03
Filed: 1928-11-16
Abstract: 325,801. Collie, J. H. Nov. 16, 1928. Fittings, internal; ventilating boxes; boxes combined with roll holders. - A box forming part of a portable outfit for cleaning the hands comprises an airtight receptacle C for containing an absorbent towel, and absorbent moistening pads E to assist in maintaining the towel in a moist condition, and a ventilated receptacle C' for a drying towel. The receptacles C, C<1> are closed by a hinged lid C<3>, C<4> with corresponding perforated airtight members. In a modification, Fig. 2, the airtight receptacle C may be cylindrical with a perforated shell C<1> or an elastic band to carry the drying towel.
Patent GB-386613-A (GB)
Title: Apparatus for the drawing-off of heavy gases from above the piston of waterless gasholders
IPC: F17B1/14
Filed: 1932-04-22
Abstract: 386,613. Gas holders. KLÍNNE, M. and KLÍNNE, M., (trading as KLÍNNE, A.), 1, K÷rnebachstrasse, Dortmund, Germany. April 22, 1932, No. 33617. Convention date, Feb. 5. Divided on 385,176. [Class 54.] The gases escaping past the seal of the piston of a gas holder drawn off by an electrically driven fan n connected to an annular pipe x having depending from it a number of suction pipes w which terminate at the lowest parts of the piston when the piston is in its highest position. The pipes ware arranged farther apart near the fan connection y than at the opposite side.
Patent GB-792901-A (GB)
Title: Improvements in extensible ladders
IPC: E06C1/12
Filed: 1956-11-05
Abstract: 792,901. Ladders. NILSSON, G. R. Nov. 5, 1956, No. 33718/56. Class 20(2) The side pieces of a telescopic extending ladder are of substantially rectangular tubular cross section on the inner and outer sides of which are formed longitudinally extending grooves and bars 5, 11, Fig. 3, and 14, 10 respectively, so arranged that the groove and the bar on one side of a side piece co-operate with the bar and groove respectively on the other side of the side piece of a subjacent ladder section, Fig. 1. A shoe 15 may be provided in the groove 5, if desired only at its upper end, and a shoe 16 may be provided on the bar 10, if desired only at its lower end, these shoes being of hard wearing material having a low friction factor. The side pieces may be formed of light metal.
Patent GB-1066165-A (GB)
Title: Process for the production of barrier layer elements
Inventor: BURMEISTER ROLF
IPC: B04B5/02
Filed: 1965-08-06
Abstract: 1,066,165. Semi-conductor devices. DEUTSCHE AKADEMIE DER WISSENSCHAFTEN ZU BERLIN. Aug. 6, 1965, No. 33753/65. Heading H1K. A metal layer is formed on a P-type semiconductor body and lithium is deposited on the layer, the body then being heated to simultaneously temper the metal layer and diffuse lithium into the body to form an N-region and ohmic contact thereon. Suitable semi-conductors are silicon, germanium, and gallium arsenide. Suitable metals are nickel, silver, gold, and aluminium. In an embodiment a 400 ohm. cm. P-type silicon wafer is cleaned ultrasonically in trichloroethylene, etched in hydrofluoric acid, and boiled several times in deionised water before it is nickeled in a hot chemical bath. The nickel is coated with lithium by vapour deposition and the body heated to 600‹ C. After slow cooling the main faces of the wafer are masked and nickel is etched from the edges. The process is completed by a wash in trichloroethylene.
Patent GB-1401343-A (GB)
Title: Exhaust gas recirculation control system for internal combustion engines
IPC: F02M25/07
Filed: 1972-07-19
Abstract: 1401343 Fluid-pressure servomotor systems RANCO Inc 19 July 1972 [3 Aug 1971 29 Nov 1971] 33796/62 Heading G3P [Also in Division F1] A valve 15 controlling exhaust gas recirculation from an exhaust manifold 14 to an intake manifold 13 is operated by vacuum and the degree of vacuum is regulated by a regulator 42 in accordance with the air flow into the engine. The vacuum from the regulator 42 acts on the recirculation valve diaphragm 25 and the regulator is controlled by a motor 43 subject to the vacuum in the carburetter Venturi 11 between the choke and throttle valves 11', 12. A vacuum reservoir 44 is provided between the regulator 42 and the source of vacuum provided by the manifold 13 a check valve 45 preventing transitory falls in the manifold vacuum from reducing the reservoir vacuum and a valve 46 by-passing the valve 45 when the manifold vacuum falls below the Venturi vacuum, i.e. with the throttle valve 12 substantially fully open. The regulator 42, motor 43, reservoir 44 and valves 45, 46 may be combined in a unitary structure 50, Fig.2. The regulator diaphragm 67 is connected to the motor diaphragm 82 by members 81, 84 and  102 and the vacuum in the chamber 66 below the motor diaphragm, which is connected to the recirculation valve vacuum chamber 26 through the hose 93, is provided from the reservoir 44 through a tube 73. The upper end of the tube 73 is opened when the central part 77 of the diaphragm 67 is raised and the chamber 66 is connected to atmospheric pressure in the chamber 85 above the diaphragm when the part 80 of the member 81 is moved downwardly with the part 77 on the upper end of the tube. The reservoir 44 is defined by chambers in the structure 50, one reservoir chamber 123 being connected through the check valve 45, provided by the flexible valve member 141, to a chamber connected by a hose 146 to the manifold 13. Venturi vacuum acts in the chamber 97 above the diaphragm 82 and the chamber 112 above the diaphragm 130 forming the valve 46. With the manifold vacuum above a predetermined value, e.g. 3 in. Hg, and the Venturi vacuum above a predetermined value, e.g. 0.1 in. Hg, the value 15 is opened. An air bleed 150 into the Venturi vacuum tube 114 is open when the choke valve 11 is not fully open, to nullify the vacuum signal to the motor 43.
Patent GB-357411-A (GB)
Title: Process for drying and dehydrating moist high-grade neutral calcium hypochlorite
IPC: C01B11/06
Filed: 1930-11-10
Abstract: <PICT:0357411/III/1> Neutral calcium hypochlorite (which may contain calcium chloride) is dried and dehydrated by firstly suspending it in a current of air heated to at least 100 DEG  C., and then, in the same working operation and while it is still under the influence of the fore-drying current, exposing it to a freshly introduced current of air at a still higher temperature; with final separation from the air current, and cooling.  The hypochlorite fed in at e is introduced at g into a current of air d<1> at about 140-160 DEG  C. drawn by a fan h<1> through a heater a, and is carried through the pre-drying column i<1>.  The temperature rapidly falls to about 100 DEG  C., and at h<2> a fresh current of air d<2>, at 160 DEG  C., is drawn in and carries the material through a second column i<2> to a third fan h<3> and separator l.  The columns i<1>, i<2> are shown with wider second limbs, producing a slight expansion and cooling.
Patent GB-388882-A (GB)
Title: Improvements in and relating to windscreen wipers
IPC: B60S1/34
Filed: 1931-12-07
Abstract: 388,882. Windscreen-cleaners. ELMS, R., 75, Larch Road, Cricklewood, London. Dec. 7, 1931, No. 33860. [Class 138 (i).] A windscreen-cleaner comprises an endless band, chain, or like member continuously driven and carrying a driving member which is automatically positioned relatively to the endless member for engagement and disengagement of the support for one or more wiping elements, thereby to effect their movement to and fro across the windscreen. In the construction shown, a base plate 1 secured to the windscreen moves two pulleys 3, 4 connected by an endless band 9 of bronze strip, one of the pulleys being adapted to be rotated by an electric motor or other means. The ends of the strip are connected by a link 10 provided with a pivoted member 11, which is caused to engage projections 33, 34 on a carriage 12 whereby the latter is reciprocated. Setting bars 15, 16 are provided on the base plate 1 for the purpose of keeping the end 11a of the member 11 in position to engage a projection on the carriage. Disengagement takes place when the member passes the end of the setting bar. Smaller setting bars 21, 25 are provided for stopping the carriage 12 at each end of its traverse and for positioning the member 11 suitably for movement around the pulleys 3, 4. The carriage 12 is provided with rollers 32 engaging a rail 29 and is connected to bars 37, 38 which carry windscreen-wipers 13, 14 respectively.
Patent GB-630879-A (GB)
Title: Improvements in or relating to apparatus for measuring compression forces
IPC: G01G3/14
Filed: 1946-11-15
Abstract: 630,879. Measuring compressive forces. COX & STEVENS AIRCRAFT CORPORATION. Nov. 15, 1946, No. 33940. Convention date, Sept. 12, 1945. [Class 40 (i)] Strain gauges.-Apparatus for measuring compression forces, e.g. weights comprises a column of deformable material 3 arranged between a base member 1 and a top member 12 having resistance strain gauges 14 or other electrical or magnetic gauges mounted on the walls of the column so as to be actuated by relative movement between the top and base members. The resistance gauges may be mounted outside and inside the column to compensate for differing deformation of the outside and inside. A surrounding cylindrical shell 5 carries a flexible member 6 at its top which fits closely around the top member and urges it into engagement with the central column. A dummy column which is not stressed may be mounted in the centre of the deformable column and the resistance values of its strain gauges compared with those of the deformed gauge in a bridge circuit. These dummy gauges eliminate the effect of temperature variations.
Patent GB-782725-A (GB)
Title: A method and an apparatus for producing a packing provided with a hanger, for various objects, as for instance, sweets, chocolate bodies, christmas-tree decorations, or t he like
IPC: B31D1/00
Filed: 1955-11-28
Abstract: 782,725. Cutting devices. HANSEL JUNIOR GES. Nov. 28, 1955 [Nov. 27, 1954], No. 33974/55. Class 31 (1). [Also in Group XVII] A device for cutting a thread in an apparatus which forms a suspending loop for a package (see Group XVII), comprises two fixed discs 9, 17 having rotatable between them a notched wheel 8. The discs 9,' 17 have aligned gaps through which the thread 1 passes, the thread passing also through one of the notches 20 in the wheel 8. When the wheel 8 rotates, it cooperates with the disc 17 to sever the thread, the free end of which is then dragged between the wheel 8 and disc 9 and trapped for engagement by the loop-forming means.
Patent GB-832576-A (GB)
Title: Improvements relating to lavatory pans
Inventor: CLARK BRIAN
IPC: E03D11/13
Filed: 1957-10-31
Abstract: 832,576. Closet seats. S. G. B. (DUDLEY) Ltd. Oct. 31, 1958 [Oct. 31, 1957], No. 33977/57. Class 26. A lavatory pan 10 has a number of spaced upstanding integral lugs 11 to receive a seat 13 directly secured thereto. The seat 13 is spaced sufficiently far above the top of the pan 10 to allow the underside of the seat 13 and the top of the pan to be readily cleaned and disinfected. The seat 13 is secured by means of anchor bolts 12 moulded into the lugs 11 said bolts projecting upwardly for a distance less than the thickness of the seat 13 through holes which are counterbored or recessed at the top to receive nuts 14, which are tightened on the bolts, the holes being then filled with plastic, smoothed off flush with the surface of the seat 13 and polished.
Patent GB-952708-A (GB)
Title: New camphorated derivatives of 2-aminothiazoline and their process of preparation
IPC: C07D277/40
Filed: 1962-09-05
Abstract: The invention comprises the comphorated derivatives of 2-amino-thiazoline having the formula: <FORM:0952708/C2/1> <FORM:0952708/C2/2> <FORM:0952708/C2/3> therapeutic compositions thereof, and a process for preparing said compounds which comprises salifying the corresponding acid derivatives of camphor by means of 2-aminothiazoline by bringing the reactants into contact in the presence of a solvent.  Said compositions having a respiratory analeptic and anti-tissive activity are administered orally as tablets, syrups and potions, rectally as suppositories, and in ampullae for injection in solution in distilled water.
Patent GB-981405-A (GB)
Title: Improvements in electric accumulators
IPC: H01M4/02
Filed: 1961-09-22
Abstract: 981,405. Electric cells. YARDNEY INTERNATIONAL CORPORATION. Sept. 22, 1961 [Sept. 22, 1960], No. 34047/61. Heading H1B. An electrode for a secondary cell comprises a metal sheet support, one face of which is amalgamated, and affixed to the support, a preformed sheet of electro-chemically active material capable of taking up mercury from the support, whereby an amalgamated electrode is formed. The support may be copper and the active material may be zinc, cadmium or iron. A silver/zinc alkaline accumulator may be made using the silver electrode disclosed in Specification 692,731. The copper support may be amalgamated by immersion in an aqueous solution of mercuric chloride and hydrochloric acid.
Patent GB-326829-A (GB)
Title: Improvements relating to the removal of vaporisable constituents from liquid or pasty or solid matters
IPC: A23C1/03
Filed: 1928-11-20
Abstract: 326,829. Brabaek, J. Nov. 20, 1928. Roller and disc apparatus; air and gases, controlling direction of flow of.-Vaporizable substances are removed from liquid or solid or pasty matter in film or layer form by the action thereon of dry air &c. approaching the said matter perpendicularly at increasing pressure and after impingement thereon retreating perpendicularly the pressure of the air &c. being increased immediately after impingement and maintained while the air is travelling ever the surface of the material for an appreciable distance preferably greater than twice the depth of the gap between inlet orifices and the surface of the material. The material is spread on a rotary drum 1 which is dried by air under or other gaseous medium under pressure supplied from an inlet pipe 2 to a pipe 3 and thence through junction pipes 4 to hoppers 5. The hoppers 5 are located over a group of plates 9 provided with lateral ribs 10 and ribs 11 at the top edge on the opposite face, the plates being arranged so that two are placed facing each other to form a tapering nozzle A, the nozzles being open at their lateral edges for the entry of the air and at their inner edges for the exit of the air on to the material on the drum. The air after acting on the material passes off through passages d formed between each pair of plates into hoppers 6 and thence through a pipe 7 to an exit 8. If the width of each inlet nozzle is A, Fig. 5, the thickness of each plate C, the distance of each plate from the drum B. and each outlet is of width d, then the plate should be arranged so that 2B is less than A, A less than d and C greater than 2B.
Patent GB-1323561-A (GB)
Title: Cleaning and or filling metal casks
IPC: B08B9/08
Filed: 1970-07-14
Abstract: 1323561 Cleaning and filling casks C A NEUBECKER 14 July 1970 [29 July 1969] Heading B8T 34185/70 A device for cleaning and filling substantially cylindrical metallic casks having a bung in each end face, comprises a support for uprighting the casks and two bung connecting heads 11, 12 one being displaceable and both containing feed pipes for supplying and removing fluids. To facilitate filling from below, means are provided for shock-freezing the base wall, thereby minimizing foaming. To facilitate fluid removal, the bottom head is connected via a sealing bellows to a suction means. During the cleansing operations, the upper head is connected in sequence with various solvent feed conduits. A transporter comprising a support 13 moved by push-bars 14, 15 coupled to an electric motor 16 conveys the casks to the positions 1-9. The operations include: external cleaning at 1, uprighting at 3, interval cleansing at 4-7, vacuum testing of bungs at 8 and shock-freezing at 9.
Patent GB-1270020-A (GB)
Title: Improvements in or relating to spray drying devices and methods for the operation of such devices
Inventor: HANSEN JORGEN CHRISTIAN GORM
IPC: B01D1/18
Filed: 1969-07-07
Abstract: 1,270,020. Evaporators for spray drying. NIRO ATOMIZER A.S. 7 July, 1969 [9 July, 1968], No. 34229/69. Heading B1B. A solution or suspension of a solid material, e.g. ceramic clay, in a liquid is dried in chamber 1 where the atomized material is contacted with drying air supplied via filter 18, heater 19 and annular chamber 4, some of the liquid being atomized by rotating wheel 2, and another supply of the liquid being atomized by nozzle 10 which discharges in the direction of wheel 2, whereby a powder product having a desired range of particle sizes can be produced. The powder product is withdrawn from chamber 1 through valve 8. The drying air flows out through duct 6 which leads to cyclone 21 for the separation of fine particles. The distance of nozzle 10 from wheel 2 is greater than half the distance between wheel 2 and outlet valve 8. Wheel 2 is preferably driven at a speed which is higher than the speed corresponding to the obtention of the desired particle size; and the liquid is distributed approximately evenly between wheel 2 and nozzle 10. The mean particle size and moisture content of the product powder may be controlled by adjusting liquid supply pumps 12 and 16, the rate of rotation of wheel 2 by gearing 14, and the supply of heat to heater 19. Several nozzles 10 may be disposed symmetrically around the axis of chamber 1.
Patent GB-1435009-A (GB)
Title: Self-cleaning oven
IPC: F24C14/02
Filed: 1973-07-18
Abstract: 1435009 Self-cleaning ovens COMPAGNIE EUROPEENNE POUR L'EQUIPMENT MENAGER 18 July 1973 [21 July 1972] 34303/73 Heading F4W [Also in Division H5] An oven which may be self-cleaned by pyrolysis comprises an oven chamber defined by an oven liner and a door which is air-tight when closed, an electrical resistance heating element 18 disposed in the oven chamber with terminal portions 20 projecting through respective air inlets 21 in the liner to respective terminals outside the oven chamber, and an air outlet in the top of the liner, whereby air flow through inlets 21 provides heat exchange between portions 20 and the terminals and the air. The inlets 21 are located at the base of the rear wall of the liner opposite the oven door. The exterior walls 25 of the oven are air cooled. The heating element 18 is mounted in supports 29 which are connected by pivot pins 31 to mountings 30 secured to the rear wall of the liner, so that the element 18 may be raised slightly for cleaning purposes.
Patent GB-1004412-A (GB)
Title: Improvements relating to rotary-piston diesel engines
IPC: F02B53/00
Filed: 1964-08-21
Abstract: 1,004,412. Rotary-piston diesel engines. DAIMLER-BENZ A.G. Aug. 21, 1964 [Sept. 6, 1963], No. 34340/64. Heading F1F. A rotary-piston diesel engine of trochoidal type comprising a housing having a bi-arcuate inner peripheral wall 2 with two zones 3, 4 nearer the housing axis and an eccentrically mounted three-sided piston 7 planetarily rotatable therein to control admission and exhaust ports 10, 11 adjacent the zone 3, comprises an injection nozzle 12 located so that fuel is injected substantially in the longitudinal direction of the combustion chamber 14 to provide efficient combustion of the fuel.The nozzle may be located so that the fuel is injected in the rotational direction 8 of the piston (as shown) or alternatively so that the fuel is injected against the rotational direction of the piston. In the case of wide pistons two or more nozzles may be disposed one behind the other in the axial direction and a number of combustionchamber troughs corresponding to the number of nozzles may be provided in the piston sides.
Patent GB-1004583-A (GB)
Title: Vibro-energy mill
IPC: B02C19/16
Filed: 1964-08-21
Abstract: 1,004,583. Vibratory mechanism. SOUTHWESTERN ENGINEERING CO. Aug. 21, 1964 [Aug. 27, 1963], No. 34405/64. Heading F2X. [Also in Divisions B2 and B3] A grinding, polishing, or deburring mill is vibrated by a unit comprising a casing 24 with bearings 26 for a shaft 27, which carries an upper eccentric weight 28 located inside the casing and a lower weight 29 below the casing; the weights are adjustable angularly with respect to each other. The shaft 27 is driven via couplings 31, 32 and a shaft 30, by a motor 11 mounted at the top of the mill above the null point of vibration.