baber/WOPTO huggingface dataset:
Patent GB-440689-A (GB)
Title: Improvements in or relating to controlling means for doubleacting piston steam engines
IPC: F01L25/06
Filed: 1935-01-28
Abstract: 440,689. Engine valve-gear. KNORRBREMSE AKT.-GES., 9, Neue Bahnhofstrasse, Lichtenberg, Berlin. Jan. 28, 1935, Nos. 2755 and 2756. Convention dates, Feb. 15, 1934 and June 28, 1934. [Class 122 (ii)] A double-acting piston steam pump is provided with a main, differential, piston valve 3 controlled by an auxiliary piston valve 2. The small end of the main valve is constantly supplied with steam from the supply pipe 4, and the rear of the large head is alternately put to main steam from pipe 4 and to exhaust pipe 15 through a pipe 13 and an annular recess 14 in the valve 2. The valve 2 is moved up first by the tappet action of the main piston 1 on push rod 16, and then by steam supplied from the pipe 4 through a pipe 17 and branch 22. The valve 2 is moved down by fluidpressure from the forward end of the cylinder supplied first through branch 18<a> on the piston overrunning the port, and then through branch 18b on the supply of steam to the forward cylinder end. The push rod 16 need not be a tight fit. Steam is supplied to the two ends of the main cylinder through the annular chamber 5 of the valve 3 and passages 6, 8. Exhaust takes place through the passages 6, 8 and the interior of the valve to the pipe 15. The two centre piston heads of valve 3 are spaced asymmetrically so that ports 6, 8 are not open to steam at the same time although they both may communicate with the exhaust at the same time. In the modification shown in Fig. 4, the annular head of the valve piston 2 is put into communication with the bottom of the main cylinder by a passage 18<c> instead of into communication with the atmosphere to prevent premature forward-movement of the valve 2 by the forward-end, cylinder pressure during the down movement of the piston 1. Specifications 183,342 and 211,837, [both in Class 122 (ii)], are referred to.
Patent GB-104035-A (GB)
Title: Improvements in or relating to Washing Boards.
Inventor: PEAKALL LAVINIA ELLEN
IPC: D06F1/00
Filed: 1916-02-25
Abstract: 104,035. Peakall, L. E. Feb. 25, 1916. Washing-boards are constructed with a wooden or metallic corrugated surface D on one side, for rubbing, and with a perfectly plain wooden surface E on the other side, for scrubbing. The corrugated surface may be formed of a series of wooden rode D', Fig. 5, or of metal having draining-holes. In a modification, the two surfaces may each occupy part of one side only.
Patent GB-1526451-A (GB)
Title: Alpha,alpha,1-trimethyl-2-nitroimidazole-5-methanol derivatives
IPC: C07D233/91
Filed: 1976-01-27
Abstract: 1526451 Derivatives of α,α,1 - trimethyl - 2 - nitroimidazole - 5 - methanol GRUPPO LEPETIT SpA 23 Dec 1976 [27 Jan 1976] 02993/76 Heading C2C Novel compounds in which R is benzoyl, phenylcarbanoyl or R<SP>1</SP>OC(X)- (in which R<SP>1</SP> is C 1-4  alkyl or a phenyl or benzyl group optionally substituted by Cl, Br, F, CN, NH 2 , Me, Et, or C 1-3  alkoxy and X is O or S) are prepared by reacting α,α,l-trimethyl - 2 - nitroimidazole - 5 - methanol with a benzoyl halide, phenylisocyanate or Compounds I are active against microbes and amoeba and form with a carrier or diluent a pharmaceutical composition which may be administered orally, parenterally, topically or vaginally.
Patent GB-1349422-A (GB)
Title: Device for the continuous production of crude by diffusion
IPC: C13B10/00
Filed: 1972-01-21
Abstract: 1349422 Extraction BRAUNSCHWEIGISOHE MASCHINENBAUANSTALT 21 Jan 1972 [23 Jan 1971] 3042/72 Heading B1Q In an apparatus for the continuous extraction of sugar from cane or beet in which liquid is passed and circulated over solids 14 passing over a perforated screen 3, a permeable fabric 19 is connected to the conveyer 4, 4' means to prevent the solids from contacting the screen and the fabric is cleaned by means (not shown) provided in the lower runs of the conveyer.
Patent GB-345744-A (GB)
Title: Improvements in chemical fire extinguishers
IPC: A62C99/00
Filed: 1930-01-30
Abstract: 345,744. Fire-extinguishers. COLLIE, J. H., 22, Hill Road, and RIMMER, G. F., 23, Beresford Road, both in Birkenhead. Jan. 30, 1930, No. 3133. [Class 47 (ii).] An extinguisher of the kind having two nozzles respectively adapted for automatic and hand operation and particularly suitable for carburetter and like fires, comprises a steel bottle A charged with carbon tetrachloride D and compressed or liquefied carbon dioxide. The bottle has a dip tube C and a delivery pipe e<1>. The dip tube has an opening c<1> near its upper end so that gas is delivered together with liquid forced through its lower end. The pipe e<1> is of copper or the like so that it can be bent towards any desired position, and terminates in a nozzle e<2> which is closed by a cap E secured by solder S of low melting-point. A heat-collecting disc G and a celluloid disc H accelerate the melting of the solder. The filling opening bl of the bottle is sealed by a diaphragm F secured by a screwed sleeve f<2>. A cap K screwed on to the union B is formed with a nozzle k<8> and carries a piercer k<6> for the diaphragm F, this allowing of hand operation. The extinguisher is mounted in the required position by means of a spring clip P, which allows it to be detached readily for hand use.
Patent GB-319567-A (GB)
Title: Improvements relating to the drying of steam or vapours under pressure
IPC: F22B37/26
Filed: 1929-01-30
Abstract: 319,567. Valder, A. Jan. 30, 1929. Priming, preventing. - Steam passes from a boiler through two or more inclined open cylindrical vessels e, f arranged wholly above the boiler water level and connected at their middle parts to short branches c, d on the steam outlet pipe a. Choke diaphragms n are fitted in the passages between the vessels and the steam pipe. Water is led off from the bottom of the vessels through non-return valves or through pipes k dipping into the boiler water.
Patent GB-623108-A (GB)
Title: Improvements in or relating to power plants
IPC: F02K1/42
Filed: 1947-02-04
Abstract: 623,108. Jet propulsion engines. WESTINGHOUSE ELECTRIC INTERNATIONAL CO. Feb. 4, 1947, No. 3292. Convention date, July 29, 1944. [Class 110(iii)] To vary the thrust from a gas turbine jet propulsion engine, one or more annular passages 25 are provided to discharge gases from the exhaust pipe 14 to the atmosphere, thus by-passing the propelling nozzle 21. The passages 25 may be opened or closed by means of the sleeve 26 forming part of the tail pipe assembly which sleeve is operated by rods 36. The sleeve 26 is supported from the exhaust bullet 19 by struts 33 provided at their outer ends with guide strips 34 which engage channel members 35 attached to the sleeve. The sleeve 26 and bullet 19 may be so arranged that movement of the sleeve also alters the area of the propulsion nozzle 21. If desired, the sleeve member may be arranged so that it may be moved rearwardly a short distance from its fully closed position to vary the flow area of the nozzle 21 before it begins to open the passages 25. Specification 590,799 is referred to.
Patent GB-396746-A (GB)
Title: Improvements in and relating to the treatment of non-ferrous alloys to protect them against corrosion
IPC: C23C22/03
Filed: 1932-02-04
Abstract: A protective coating is formed on non-ferrous metals and alloys, particularly high percentage aluminium alloys, by immersion in a hot solution of phosphoric acid in ethylene glycol, glycerol, trimethylene glycol, or a mixture of two or all of these substances. Preferably the commercial substances containing up to 10 per cent of water are used or up to 10 per cent of water may be added if desired to pure glycol &c.  The coated articles are washed, preferably in a dilute alkaline solution, and may then be stoved in air or oil for a few hours at a temperature of from 100 DEG  to 200 DEG  C.  The coating may be used as a base for paint, varnish, or enamel.
Patent GB-489863-A (GB)
Title: Improved manufacture of mixtures of higher fatty alcohols and of their sulphonated derivatives
IPC: C07C309/00
Filed: 1937-02-04
Abstract: The liquid-solid mixture of hydrocarbons obtained in the synthesis of benzine from carbon monoxide and hydrogen is oxidized and the fractions consisting of acids, esters and lactones are reduced to alcohols.  The latter, which contain about 8 to 18 carbon atoms in the molecule may be sulphonated.  Oxygen, ozone, nitrogen oxides and chromic acid are mentioned as oxidizing agents, and manganese, nickel, cobalt, copper, iron, chromium, lead, vanadium or their salts, e.g. soaps, may be used as catalysts.  Alkalies and alkaline earths may also be present.  In examples: (1) a synthetic benzine obtained by Franz Fischer's process is oxidized by means of air in the presence of a manganese soap and after separation of unoxidized material the product is reduced with hydrogen using a copper-chromite catalyst; (2) the oxidation product of example (1) is esterified with butyl alcohol and reduced with hydrogen; (3) an oxidation product obtained from synthetic benzine is freed from unsaponifiable matter and is reduced; the mixture of alcohols is sulphonated in pyridine with a mixture of chlorsulphonic acid and pyridine, or in ether with chlorsulphonic acid.
Patent GB-904400-A (GB)
Title: A device for energizing an electric motor comprising at least one photo-electric cell
IPC: G04C10/02
Filed: 1961-01-30
Abstract: 904,400. Control of D.C. motors. BAUMGARTNER FRERES S.A. Jan. 30, 1961 [June 9, 1960], No. 3378/61. Class 38 (3). [Also in Group XVIII] In order that a weakly illuminated photo-electric cell P may power an electric motor M, e.g. for winding a watch movement or orienting further photo-electric cells, its output is used to charge a capacitor C which, when fully charged, is automatically connected to the motor. Various arrangements are described for establishing this connection, that shown comprising two relays R1, R2, whose coils 1, 5 are connected to the capacitor through a resistor 2. As the charge builds up the relay armatures 3, 6, controlled by spiral springs 8, 9, are gradually moved clockwise. Armature 3 is arranged to reach contact 4 first when C is fully charged, thus short-circuiting resistor 2; the resulting increase in current firmly closes relay R2 whose contacts connect the motor M directly across the capacitor. When this has discharged sufficiently the motor stops and the relays open to repeat the cycle, unless the cell P is sufficiently illuminated to permit continuous running. In one alternative arrangement the relays are connected so that only one is initially energized from the capacitor; in another, one relay with two contacts is used, while yet another employs a single relay with high and low impedance windings. A final alternative uses a single, time delayed, relay, also it is stated that the capacitor may be automatically connected to the motor by an electronic or transistorized device.
Patent GB-544908-A (GB)
Title: Improvements in thermal storage units for use with ablution or cleansing plant
IPC: F24H9/12
Filed: 1941-03-14
Abstract: 544,908. Delivery arrangements for hot water storage chambers. CLARKSON THIMBLE TUBE BOILER CO., Ltd., and FOUNTAIN, H. J. March 14, 1941, No. 3561. [Class 64 (i)] A transportable hot-water storage chamber for use in plant for washing persons contaminated by poison gas is discharged through an outlet C at one end by the expansion of a bag or bellows E upon the admission of cold water through an inlet D at the other end of the chamber. Cold water is drawn through a supply connection H by a hand pump G and is forced partly through a pipe leading to the tank inlet and partly to a mixing valve F receiving the hot water from the tank outlet C. The tank may be provided with an electric immersion heater N. Specification 535,230 is referred to.
Patent GB-1169345-A (GB)
Title: Machine Tools
Inventor: ROSE JAMES WILLIAM
IPC: B23Q17/22
Filed: 1966-01-26
Abstract: 1,169,345. Machine tool details; lathes. ENGLISH ELECTRIC CO. Ltd. 30 March, 1967 [26 Jan., 1966], No. 3580/66. Headings B3B and B3T. Optical means for setting a tool in a machine tool includes means for producing and transmitting a beam of light along a path which has a predetermined relationship to a known fixed primary datum and means co-operating with said light beam for indicating when the tool is located in a first position lying in said path so that the path of the light beam constitutes a secondary datum relative to which subsequent movement of the tool can be controlled. In a vertical lathe having a rotatable and vertically adjustable worktable 12, a pair of saddles 15 adjustably mounted on a cross-beam 14 and tool boxes 17 vertically adjustable by means of rams 16, an optical tool setting apparatus 20 is mounted on the cross-beam 14 and directs a beam of light together with the shadow of a graticule housed in the apparatus 20 on to a screen 31. A cylinder 33 of known diameter is set up on the work-table concentrically therewith and the apparatus 20 adjusted in position till the shadow of the cylinder on the screen 32 coincides with the shadow of the cross-lines of the graticule. The path 30 of the light beam is thus located at a known distance from the axis 13 of the worktable and by bringing the tool 18 into this path so that its shadow coincides with the shadow of the graticule a datum position is provided relative to which the tool can be adjusted subsequently by any known means. The apparatus also provides a means for checking on tool wear. The apparatus may be mounted on the face of the cross-beam 14, Fig. 9, (not shown), to provide vertical adjustment to correct for deflection of the beam, the shadow of a fixed horizontal wire (37) being used to provide a datum in this respect.
Patent GB-627081-A (GB)
Title: Improvements in or relating to systems of remote indication
IPC: B61L13/04
Filed: 1947-02-06
Abstract: 627,081. Indicating location of vehicles. CINEMA-TELEVISION, Ltd., and WEST, S. S. Feb. 6, 1947, No. 3606. [Class 37] [Also in Group XXXVIII] In a system in which the presence of a vehicle at a particular part of e.g. a runway on an airfield is signalled to a central point by the modification, due to the presence of the vehicle, of the coupling between a secondary loop 3 and an exciting current, the loops 3 at the respective parts of the runway are connected over filters 4 with individual frequency bands and a common transmission line 5 to a number of indicators 8 responsive to characteristic frequencies. The loops 3 may be excited by individual loops and oscillators or, as shown, by a common loop 1 connected either to a generator 6, the fre. quency of which is varied cyclically through the whole range of the signalling frequencies, or to a number of generators of different frequencies. Several separate systems may be used for covering a long runway.
Patent GB-1156386-A (GB)
Title: Reclining Chair
Inventor: RE FRANK MANUEL
IPC: A47C1/0355
Filed: 1967-01-25
Abstract: 1,156,386. Reclining chairs. DUAL MFG. & ENG. Inc. 25 Jan., 1967, No. 3704/67. Heading A4J. The support linkage of Specification 1,043,665 is applied, with minor modifications, to a non-rocking chair, having a two part leg rest.
Patent GB-732225-A (GB)
Title: Improvements in and relating to electromechanical transducers
IPC: H04R17/04
Filed: 1951-02-15
Abstract: 732,225. Gramophone pick-ups. COSMOCORD, Ltd., KELLY, S., and BROWNLEE, J. W. March 7, 1952 [Feb. 15, 1951], No. 3707/51. Class 40 (4). [Also in Group XXXVIII] A pick-up comprises a piezo-electric crystal 18 mounted at its lower end in a clip 19, and a cantilever arm 13, carrying a stylus 14, which is coupled to the clip 19 by means of a metal tube 15 which extends upwardly to engage a depression in a metal strip 17. Such a mounting tends to prevent vertical movement from being transmitted to the crystal whilst allowing the crystal to be moved horizontally. The crystal is restrained to cause it to be subjected to twisting, by filling the body 10 with a viscous gel or alternatively or additionally by providing soft rubber pads 24. Electrodes on the crystal are connected to contacts 26. The body has a removable cover 11.
Patent GB-783298-A (GB)
Title: Improvements in or relating to winders
Inventor: FRIEDLANDER ERICH SIEGFRIED
IPC: B66B1/42
Filed: 1955-02-08
Abstract: 783,298. Koepe winders. GENERAL ELECTRIC CO., Ltd. Feb. 1, 1956 [Feb. 8, 1955], No. 3722/55. Class 78 (5). In a winder of the friction type the slip of the rope is compensated by motor 5 which is coupled by differential gear 3 to drum shaft 1 and indicator shaft 2. The motor is controlled by two switches 8 and 9, of which switch 8 is operated by the cage and switch 9 by a depth indicator associated with shaft 2. Independence upon whether switch 8 or 9 is struck first contactor 6 or 7 is operated to switch in the appropriate winding of reversible motor 5 and so drive differential gear 3 to effect the compensation between shafts 1 and 2. Switches 11 and 12 permit manual control of the motor and the delay relay 10 de-energizes the motor and opens the contactor to bring the circuit back to normal after the motor has driven the differential gear by a predetermined element of rotation.
Patent GB-176993-A (GB)
Title: Gimp thread guiding means for buttonhole sewing machines
IPC: D05B73/12
Filed: 1921-02-01
Abstract: 176,993. Fairweather, W., (Singer Manufacturing Co.). Feb. 1, 1921. Button - hole sewing - machines.-In a machine in which the lower stitchfcrming devices are carried by a rotary turret, a gimpthread is guided to the underside of the work near to the stitching point without passing up a central tube of the turret. The gimp-thread g passes from a pull-off 28, actuated from the cutter shaft 29, to a guide-eye 30 thence over the edge of the guard ring 24 of the turret 11 under a tension plate at 17, through the eye of a spring take-up 23 and to the usual gimp. thread guiding aperture in the throat-plate. The eye 30 is placed so that the turret oscillates equally on either side of it.
Patent GB-805160-A (GB)
Title: Fertilizers
Inventor: BROWN GEOFFREY GEORGE
IPC: C05B1/02
Filed: 1955-02-09
Abstract: One or more ammonium and/or alkali metal sulphates are added to a fertilizer material comprising ammonium nitrate and a superphosphate or other product containing free phospheric acid, in order to prevent loss of nitrogen and conversion of water soluble phosphate to insoluble phosphate in granulation or drying processes.  The resultant mixture is thereafter subjected to heat treatment which may be part of the drying and/or granulating step. The sulphate is incorporated into the mixture in an amount at least equivalent to the free phospheric acid present, and the relative proportions of nitrate to sulphate may vary between equimolecular amounts up to a ratio of 4 : 1.  Ammonium sulphate nitrate may be used as a source, both of sulphate and nitrate.  A sample fertilizer according to the invention contains superphosphate, triple superphosphate, ammonium sulphate, ammonium nitrate and a potassium salt such as potassium chloride. Specification 805,159 is referred to.
Patent GB-1148857-A (GB)
Title: Particle separating apparatus
IPC: G01N1/28
Filed: 1968-01-25
Abstract: 1,148,857. Classifying particles photo-electrically. INTERNATIONAL BUSINESS MACHINES CORP. Jan.25, 1968 [Feb. 3, 1967], No.3871/68. Addition to 1,135, 510. Heading G1A. [Also in Division B1] In apparatus for separating particles in which particles having a predetermined property are sucked into an expansible chamber, the chamber is provided with a port which is closed while the particles are being investigated and separated and subsequently opened to allow separated particles to be removed from the chamber. Biological cells suspended in a liquid are withdrawn from a sample 10, Fig. 1 and pass along the inspection tube 18 where they are tested photo-electrically for cancer. A cancerous cell causes a pulse to be applied to a stepping motor 40 which actuates a piston 328 to draw the cell into the tube 28. When a photo-cell detects that the whole sample has been withdrawn, the sample and waste tubes are moved to a wash fluid source 45, for the reverse flushing of tube 18. During washing, the piston 32B is fully withdrawn so that wash fluid pressure forces the separated cells via a port 32C to a filter 50 where they are deposited for futher inspection. For automatically testing a plurality of samples a continuous filter stepped on between tests may be used. Photo-electric test. The cells are investigated by passing a beam of light through them separating the transmitted light into four colour beams by dichroic mirrors and comparing the intensities of the beams with photo-multipliers.
Patent GB-202915-A (GB)
Title: Improvements in or relating to laminated springs
IPC: F16F1/20
Filed: 1923-02-09
Abstract: 202,915. Weston, F. T. Feb. 9, 1923. Laminar springs.-In laminated spings having interposed between the leaves antifriction devices of the kind comprising balls or rollers carried in sheetmetal cages, the cage is constructed of two blades a, a<1> having registering countersunk holes to house the ball &c. b. The balls &c. are situated at a uniform distance apart along the respective side edge portions of the cage, but are closer together around the shaped end portion as shown in Fig. 1.