baber/WOPTO huggingface dataset:
Patent GB-519042-A (GB)
Title: Improvements in or relating to cathode ray tubes and to fluorescent screens suitabletherefor
IPC: H01J29/18
Filed: 1938-09-13
Abstract: 519,042. Luminescent materials. STANDARD TELEPHONES & CABLES, Ltd., and WOLFSON, H. Sept. 13, 1938, No. 26705. [Class 39 (i)] The blackening of fluorescent metal sulphide, especially zinc and cadmium sulphide', screens for cathode-ray tubes, is prevented by the addition of sodium or potassium thiosulphate. An aqueous solution of the thiosulphate may be applied to the glass and dried, the metal sulphide dusted on, and the whole baked at 200‹-450‹C., the thiosulphate acting as a binder.
Patent GB-689296-A (GB)
Title: Improvements in tubulous vapour generating and vapour heating units
IPC: F22G5/20
Filed: 1951-11-15
Abstract: 689,296. Steam superheaters ; attemperating. BABCOCK & WILCOX, Ltd., Nov. 15, 1951 [Nov. 16, 1950], No. 26756/51. Classes 123 (ii) and 123 (iii). In a steam &c. boiler having series-connected super heater sections, preferably arranged side by side in interdeck relationship to banks of inclined steam-generating tubes extending between downtake and uptake headers, a constant superheater outlet temperature is maintained by an attemperator 64 which is disposed in parallel with an intermediate section, say 56-58, of the superheater, the relative steam flows through the attemperator and said section being regulated by, for example, a valve 68 thermostatically controlled in dependence on the temperature at the superheater outlet 70. A five section superheater is shown, the first section comprising U-tubes 20, 22 and like intermediate tubes extending between an inlet header 14, having a saturated steam supply pipe 12, and the right-hand end of a header 24, the other sections being similar so that steam flows in the direction of the arrows 26, 40, 46, 54, 80 from the inlet header 14, through intermediate headers or header sections 24, 42, 48, 50, to an outlet header 74. As shown, the width of the section 56-58 associated with the attemperator is much less than the widths of the other sections so that its resistance to steam flow is correspondingly higher. The attemperator comprises tubular elements located within the water space of the usual steam-and-water drum 10 and it has a steam inlet pipe 62 leading from the left-hand end of the header 48 and an outlet 66, with the valve 68, returning to the right-hand end of the header 50, the tubes 56-58 extending between the same ends of these two headers.
Patent GB-878618-A (GB)
Title: Rotary electric switch mounting
IPC: H01H19/06
Filed: 1959-08-05
Abstract: 878,618. Switch cases. NAIMER, H. L. Aug. 5, 1959 [Aug. 18, 1958], No. 26817/59. Class 38 (5). Switches 1, having a common operating shaft 2 protruding through the carrying wall 3, are sealed against splash water, explosive gases and the like by a member 6 tightly mounted on the shaft 2 and having deep annular grooves which mate with grooves in a fixed member 7 having a sealing rim 8 clamped against the wall 3 by a plate 5. The member 7 may extend as shown to form seals 10 around the screws 4 with a further sealing rim 9. The members 6 and 7 are both of a moderately elastic grease-resisting plastic. The spaces 14 between the mating grooves may be filled with grease.
Patent GB-746511-A (GB)
Title: Improvements in or relating to internal combustion engines and to lubricating systems therefor
IPC: F01M1/04
Filed: 1953-09-30
Abstract: 746,511. Two-stroke engines. JENSEN, J.Sept. 30, 1953 [May 7, 1953], No. 26820/53. Class 7(2) [Also in Group XXXIV] In a lubricating system for internal combustion engines of the kind in which lubricating oil is mixed with the fuel and a fuelair-oil mixture passes through the crank-case, the engine has a hollow crank-shaft and means are provided for separating some of the oil from the mixture and for causing the separated oil to circulate to the engine bearings through the interior of the crank-shaft. As shown in Fig. 2, the hollow crankshaft 19 has a port 23 which registers with an inlet port 22 from the carburetter during the crankcase suction stroke. Another port 18 registers with a port 16 in a sleeve 17 when the piston has moved to nearly the top of its stroke. When the piston descends pressure on the crank-case opens a ball valve 12 whereby gaseous mixture with any oil at the bottom of the crank-case is forced along a passage 13 into a chamber 14. Near the end of the downward stroke of the piston the transfer ports 30 are uncovered. When the piston travels upward and ports 18, 16 are in register residual gas pressure in chamber 14 expels oil through passage 15 and these ports into the crank-shaft to meet a further mixture from the carburetter. Centrifugal force causes the oil to collect in an annular groove 24 from which it is impelled to the crank-pin bearing 27. Any oil leaking along the crank-shaft reaches an annulus 20 and flows along a passage 21 into the inlet port 22 to mix with incoming charges. Some oil will be blown across the crank-shaft to the end of a hollow shaft 28 of a driven component, for example, a magneto. In a simpler arrangement the ball valve with associated passages, is dispensed with, the oil not being recirculated through the crank-case. In the arrangement shown in Figs. 5 and 6. gaseous mixture and oil from the base of the crank-case pass through valve 60 and pipe 61 to a pressure chamber 62 which is connected by pipes 65 to ports 63 in the main bearings 64. Oil leakage at the outer ends of the bearings is collected in annular grooves 66 and led by pipes 67 to the carburetter inlet passage. When ports 71 in the crank-case register with ports 63 pressure in the chamber 62 expels oil and gaseous mixture into the crank-case, a portion of the oil passing along passages 72 to the crankpin bearing. In a further arrangement shown in Fig. 7, a disc valve 81 carried on shaft 83 and driven by an extension 85 of the crank-pin of crank-shaft 87 has a port 89 registering with an inlet port 91. A non-return valve 97 is connected to pressure chamber 101 and to port 105 in the crank-shaft bearing 107 adapted to communicate with the hollow crank-shaft at or near the top of the piston stroke. Oil passing outwards along the crank-shaft surface is collected in annulus 111 and drawn by suction into the hollow crank-shaft by passages 117, 113, 115.
Patent GB-504703-A (GB)
Title: Improvements in gas or oil fired heating elements or radiants
IPC: F23C3/00
Filed: 1938-09-15
Abstract: 504,703. Gas or oil fired heatradiating elements. GIBBONS BROS., Ltd., and WEBB, A. W. OGILVY-. Sept. 15, 1938, No. 26844. [Class 51 (i)] A gas or oil fired heat-radiating element comprises an inner perforated tube 6 closed at its inner end and provided at its outer end with a cap 7 to which is connected a valve-controlled pipe 8 of smaller cross-sectional area than the tube 6 for supplying air under pressure. The tube 6 is surrounded in spaced relation by an outer tube 5 to which gas or oil vapour is supplied through a valve-controlled pipe 11 of less cross-sectional area than the tube 5. Combustion is effected in the annular space between the tubes to which the air is supplied through perforations 15 and the combustion products are exhausted through a pipe 14. In a modification (not shown) the gas is supplied to the outer tube and combustion products exhausted therefrom at the opposite ends to those shown in the Figure. The outer tube may be enlarged at one end to increase the heat radiation.
Patent GB-1276134-A (GB)
Title: Process for the purification of nickel containing solutions
IPC: C22B23/00
Filed: 1969-05-28
Abstract: 1276134 Purifying Ni solutions LE NICKEL 28 May 1969 [21 June 1968] 26880/69 Heading C1A [Also in Division C7] An aqueous solution containing Ni ions, complex metal-chloride anions, ions of metals (preferably Na or K) derived from completely dissociated salts of HCl, and free Cl ions in a concentration of 2-6 N, is passed through an anion exchange resin at a solution temperature of at least 60‹ C. to absorb the complex anions. The metal in the complex anion may be Co, Fe, Cu, Al, Zn, Mo, or Mn. It may be eluted with water, HCl, or alkali metal chloride solution. The initial solution may result from the electrolytic purification of ferro-nickel or nickel matte, or from the dissolution of Ni bearing materials in HCl.
Patent GB-426713-A (GB)
Title: Improvements relating to spraying guns for water and other liquids
IPC: B05B1/12
Filed: 1933-09-30
Abstract: 426,713. Spray producers. ROTOPLUNGE PUMP CO., Ltd., 58, Victoria Street, London, and WALKER, C. B., 38, South Bar, Banbury, Oxfordshire. Sept. 30, 1933, No. 26937. [Class 69 (iii)] A nozzle for delivering at will either a straight jet or whirling spray comprises a plain conical nozzle c within which is mounted an axially adjustable whirl-forming member d. The nozzle c is mounted within a member a provided with a conical recess c<3> and hand grips a<1> and is extended to form a tubular member c<1> carrying a nut a<1> in which the threaded part of the member d screws. The whirl member d comprises a helically grooved head mounted on a liquid supply tube d<5> and is provided with ports d<4>. The tube d is carried by a rubber handle b having a part b<1> projecting into the tube c<1> and serving as a fluid-tight packing to prevent leakage. In the position shown a whirling spray is delivered but on screwing the member d back a straight jet is delivered through the nozzle c.
Patent GB-779623-A (GB)
Title: Improvements relating to n-acylated derivatives of substituted iminodibenzyls
IPC: C07D223/28
Filed: 1955-09-21
Abstract: The invention comprises compounds of the formula <FORM:0779623/IV(b)/1> wherein n is 1 or 2 and Am represents the radical -NR1R2 wherein R1 and R2 represent a methyl, ethyl or allyl radical or an alkylene radical with 5 or 6 ring members, and X represents a halogen atom or a methyl group. Such compounds are obtained by reacting an N-(halogen - alkanoyl) - dihalogeno- or dimethyliminodibenzyl with an amine HNR1R2 or with an alkylene imine having 5 or 6 ring members and, if desired, converting the tertiary amines so obtained into quaternary ammonium compounds or salts respectively, by treating with organic or inorganic acids or with halides or sulphates or aliphatic or araliphatic alcohols.  The N - (halogen - alkanoyl) - iminodibenzyls by acylating the substituted iminodibenzyls (which can be obtained by the method of Specification 777,546) with halogeno fatty acids or anhydrides. Suitable starting materials are chloracetyl, bromacetyl, a -chloropropionyl and a  - bromopropionyl - 3.7 - dichloro - iminodibenzyls, b  - chloropropionyl or b  - bromopropionyl 3.7 - dichloro - iminodibenzyl and the corresponding derivatives of 1.9-dichloro-, 2.8-dimethyl-, 3.7-dimethyl- or 3.7-dibromo-iminodibenzyls.  They may be reacted with, for example, dimethylamine, methylethylamine, diethylamine, methylallylamine, diallylamine, pyrrolidine, piperidine or C-alkylated pyrrolidines or piperidines.  The products may be converted to salts with, e.g. hydrochloric, sulphuric, phosphoric, tartaric,citric and salicyclic acids.
Patent GB-1436775-A (GB)
Title: Developer for electrophotography and a method of manufacturing the same
IPC: G03G9/12
Filed: 1973-06-07
Abstract: 1436775 Electro-photographic liquid developers AUSTRALIA DEPARTMENT OF SUPPLY SECRETARY OF 7 June 1973 [15 June 1972] 27265/73 Heading G2H An electro-photographic liquid developer comprising a suspension of conductive developer particles in an insulating carrier liquid is prepared by (1) dissolving in an insulating solvent at least two substances, which react together to form suspended particles which are usable as developer particles or can be aggregated to form developer particles, and if necessary or desirable and optionally after removing some of the solvent, diluting the resulting suspension with an insulating liquid having a lower solvent power with respect to the suspended particles than the solvent so that the desired developer particles are formed by aggregation. At least one of the reactant substances used has a resistivity greater than 10<SP>10</SP> ohm.cm. and at least one other has a resistivity below 10<SP>10</SP> ohm.cm. An excess of conductive substance(s) may be removed from the precipitated particles by washing. In the Examples the following developer particles are formed: dye complexes; complexes of quinalizarin, anthranilic acid, chloranil and 2-furoic acid with ferric chloride or a metal octoate or naphthenate (especially of Zn, Pb, Mn, Cu, Zr, Fe, Cr and Co); a 3-component hydroquinone/Co octoate/Zn, Pb, Mn or Zr salt complex; a complex of sym-diphenylcarbazide or diphenylthiocarbazone with Cu nonyl phthalate, which may be intensified with ethylene glycol mono-butyl ether; complexes of a metal soap and tetrachlorophthalic anhydride, fumaric acid or naphthalene-2-sulphonic acid; an ½-benzoin oxime/ iron salt complex; and a complex of a metal salt with N-nitrosophenyl hydroxylamine ammonium salt or alizarin. The solvents used are hydrocarbons or (in the case of tetrachlorophthalic anhydride) may alternatively be myristic, lauric or stearic acid.
Patent GB-181287-A (GB)
Title: Improvements in automobile tire identification devices
IPC: B29D30/72
Filed: 1921-10-14
Abstract: 181,287. Gilligan, M. J. Oct. 14, 1921. Combined with wheel tyres.-For the identification of automobile tyre casings, moulded indiarubber labels 1 are permanentlv secured to them bv vulcanization. The identification marks may also be branded on the casing beneath the labels, as indicated in dotted lines.
Patent GB-992689-A (GB)
Title: Indexing mechanism
Inventor: BROOKES RICHARD FREDERICK
IPC: B23Q16/06
Filed: 1960-08-06
Abstract: 992,689. Machine-tool details. T. I. (GROUP SERVICES) Ltd. Sept. 11, 1961 [Aug. 6, 1960], No. 27343/60. Heading B3B. An indexing mechanism comprises a reciprocating member adapted to rotate a second member from one position to another position on a forward stroke, and to actuate tool control means on the return stroke. A spindle 14 rotatably carries a disc 19 having teeth which engage four pinions 21 keyed to spindles 22, and has a second disc 18 keyed thereto. Spindle 14 is adapted to receive a square or circular workholder and the work is secured to the upper face of the holder. In a modification, the workholder is in the form of a regular prism with the work secured to the sides. An axial passage in the spindle supplies air for locking the work to the holder. A reciprocable bar 33 is moved by the piston-rods 34 of hydro-pneumatic cylinders 35, and carries a peg 37 slidable axially in a bush 38, which co-operates with aligned holes in blocks 41, slidably mounted in guides 42 on discs 18, 19 so that as bar 33 moves from one end position to the other, the disc rotates through exactly 90 degrees. Two latches 44, 45 are provided to disconnect peg 37 from either disc 19 or 18 at the end positions of bar 33, and they are pivoted by a double acting pneumatic piston 50. Each spindle 22 has keyed thereto, at least one removable cam 25, which upon rotation of the spindle 22 actuates spring-loaded rods 31 which control the tools for operating on the work. In operation, Fig. 3, peg 37 is in engagement with lower disc 18, and rod 44 is in engagement with upper disc 19. Bar 33 is moved in the direction of the arrow, and peg 37 rotates disc 18 and spindle 14 through 90 degrees, with disc 19 being held stationary. At the end of the forward stroke, the piston in the right-hand cylinder 35 opens a pneumatic switch to operate a change-over valve which supplies air to piston 50, and causes it to move downwardly to disengage latch 44, and engage latch 45. As latch 45 is raised it pushes peg 37 into engagement with disc 19, and the downward movement of piston 50 operates a pneumatic switch 54 which reverses the supply of air to cylinders 35, and bar 33 moves in the opposite direction. During the return stroke, disc 19 rotates through 90 degrees to rotate spindles 22 through 360 degrees, and disc 18 is held stationary. At the end of this stroke, the piston in left-hand cylinder 35 opens a pneumatic switch to cause piston 50 to move upwardly thus returning latches 44, 45, and peg 37, to their initial positions, Fig. 3, a further pneumatic switch 53 being actuated, causing the cycle to be repeated. The stroke of bar 33 and the number of blocks 41 may be varied to provide, e.g., eight index positions.
Patent GB-1173869-A (GB)
Title: A Roll Stand for the Selective Rolling of Middle Steel and I-Beams
IPC: B21B13/10
Filed: 1968-06-10
Abstract: 1,173,869. Rolling. SCHLOEMANN A.G. 10 June, 1968 [15 June, 1967], No. 27431/68. Heading B3M. A roll stand which can be used as a universal stand for rolling sections or as a 2-high stand for rolling middle steel, comprises a common lower housing part 1 and interchangeable housing caps 2 or 2a. The cap 2, Fig. 1, includes cast-on stirrups 3 which house adjusting drives 4 and screws 5 for vertical rolls 6. When the cap is replaced by the cap 2a, Fig. 3, rolls 12 are accommodated in the stand and utilize the same driving spindles 8 as before.
Patent GB-906988-A (GB)
Title: Herbicidal compositions
Inventor: EDMONTON WILLIAM EDWARD
Filed: 1959-08-11
Abstract: A herbicidal composition comprises a herbicidal, substituted carbamate and a chlorine-containing phenoxyalkanol or an aromatic mono-carboxylic ester of such a phenoxyalkanol, the chlorine atom or atoms being present in the phenoxy radical.  The phenoxyalkanol radical specified is the 2,4-dichlorophenoxy radical, e.g. 2:4-dichlorophenoxy ethanol or the benzoate ester thereof. Specified carbamates are isopropyl N-phenyl carbamate and isopropyl N-(3-chlorophenyl) carbamate.  The composition may also contain a herbicidal substituted urea, e.g. N-phenyl-N1,N1-dimethylurea. Emulsifying and dispersing agents which are effective is yielding a quick breaking emulsion or dispersion when the composition is sprayed in admixture with water may be added, e.g. ammonium, sodium or amine salts of alkyl aryl sulphonic acids, long chain quaternary ammonium compounds such as cetyl trimethyl ammonium halides, a mixture of poloxyethylene castor oil condensate and sodium dinonyl sulphosuccinate or polyoxyethylene alkyl phenol condensate, a mixture of casein and borax or a mixture of an alkali metal resinate and a dialkanolamide of a long chain fatty acid such as lauryl diethanolamide.  Adjuvants specified are liquid carriers such as an aromatic hydrocarbon solvent.  Specification 861,210 is referred to.
Patent GB-241037-A (GB)
Title: Improvements in or relating to internal combustion engines
IPC: F01B3/04
Filed: 1924-11-18
Abstract: 241,037. Hult, C. A. Nov. 18, 1924. Converting reciprocating motion into rotary motion. -The reciprocating movement of the pistons of an engine is converted into the rotation of a case 12 by means of one or more wheels 8, 9 mounted eccentrically on a gudgeon 7 fixed to the piston rod 4, the wheel or wheels bearing on guideways on the case 12. As shown applied to a two-stroke cycle internal-combustion engine with oppositely - moving pistons 2, composite wheels are mounted eccentrically on each end of the two gudgeons 7; each set of wheels consists of a friction disc 8 and a toothed wheel 9 the case having plain and toothed guideways 11, 10 to correspond. Eccentric spring rings 19 carried by hubs on central flanges bear on the friction discs and hold them up to the guideways. Pulleys 20 carried by adjustable stirrups 21 and acting through the rings 19 vary the pressure of the discs against the plain guideways 11; the pressure exerted may be sufficient to allow the toothed gearing to be dispensed with, the drive being by the friction wheels. By moving the stirrups to the dotted line position pressure is taken off the parts and assembling facilitated. With a multi-cylinder the spring ring would be central. The casing 12 may be stationary and the cylinder revolves.
Patent GB-1388662-A (GB)
Title: Method of fabrication of a probe for a hygrometer
IPC: G01N27/12
Filed: 1972-06-13
Abstract: 1388662 Humidity transducers COMMISSARIAT A L'ENERGIE ATOMIQUE 13 June 1972 [18 June 1971] 27590/72 Heading G1N [Also in Division C7] A water-adsorbent probe for measuring humidity comprises an aluminium rod 1 (Fig.1) with a first layer of alumina 2 and a second layer of metal 3 insulated at the ends from the rod 1 by a resin 5. Connections are made by a central rod 4 and an external ring 6. Water vapour is adsorbed by the alumina 2 to vary the impedance between rod 4 and ring 6. The manufacturing process comprises polishing the rod 1, first mechanically then electromechanically, anodic oxidation of part of the rod surface to form the alumina layer 2, which is subjected to a hygrothermal treatment, and depositing a porous metal layer 3 by vacuum evaporation.
Patent GB-347085-A (GB)
Title: Improvements in transformer-coupled thermionic amplifiers
IPC: H03F3/02
Filed: 1930-09-16
Abstract: 347,085. Valve amplifying circuits. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN, 13D, Emmasingel, Eindhoven, Holland. Sept. 16, 1930, No. 27683. Convention date, Sept. 28, 1929. [Classes 40 (iii) and 40 (v).] Transformercoupled valve amplifiers for giving even amplification of a range of frequencies (e.g. the audible range) have an inductance coil L connected in series with, and a condenser C across, the primary coil L1 of the inter-valve transformer L1, L2. The values of L and C are so chosen that the resonance frequency determined by them exceeds the resonance frequency of the transformer. The inductance L is also so chosen that its reactance at the resonance frequency of L, C is greater than the internal resistance of the valve. The arrangement enables a high step-up transformer to be used without loss of amplification of the higher audio-frequencies. A second condenser C1 may be connected as shown across the plate and filament, giving a sharp cut-off beyond the desired frequency-band, and preventing regeneration at the higher frequencies.
Patent GB-247658-A (GB)
Title: Improvements in apparatus for the distillation of oil bearing materials
IPC: C10G1/02
Filed: 1924-11-19
Abstract: 247,658. Hernandez, L. de. Nov. 19, 1924. Retorts.-An annular retort for use in distilling oil from schist &c., and heated on both its outer and inner peripheries, is provided with a number of outlet pipes 9, 10 whereby a. simultaneous extraction of distillates with different densities is obtained. The retort is charged from hoppers 12 having two valves 14, 15 to enclose an intermediate chamber 122, and discharged through an extension 3. The outlet pipes pass through a refrigerator 18<1> and lead to collecting chambers 16, 18. Part of the gas from the chamber 18 may be supplied to the furnace 2, or allowed to escape, and the remainder carries the lighter distillates in suspension through a purifying chamber 20, and a dehydrator 22, to an expansion chamber 25 at the top of a fractionating column 24. Collecting chambers 29 at the base of the column are provided with valves 30.
Patent GB-448603-A (GB)
Title: Improvements in and relating to ladies' handbags
IPC: A45C7/00
Filed: 1935-10-08
Abstract: 448,603. Handbags. WOLFF, (nÚe SALING), L., 24, Teplitzer Strasse, Grunewald, Berlin. Oct. 8, 1935, No. 27745. Convention date, June 17. [Class 133] A handbag a is provided with an extension d, enabling it to serve also as a marketing bag, the extension being adapted, when in the folded condition, to be stored within the handbag proper. The extension when folded may serve as a partition member for the bag and may have an upper portion serving as a lining therefor and provided with pockets for the reception of small articles. The opening at the bottom of the handbag proper is provided with closure means such as a sliding-clasp fastener c.