baber/WOPTO huggingface dataset:
Patent GB-987269-A (GB)
Title: Production of inosine and guanosine
IPC: C12P19/40
Filed: 1962-04-19
Abstract: Preparation of inosine and guanosine by aerobically culturing a biochemical mutant of Bacillus subtilis which has an ability to produce inosine and guanosine in a culture medium containing an assimilable carbon source, an amino acid source, an adenine source, a nitrogen source other than adenine or an amino acid, and one or more inorganic salts, the temperature being maintained in the range 25-37 DEG  C. and the pH being maintained in the range 5 to 9.  The use of B.subtilis A.T.C.C. No. 14660-2 is exemplified. Specification 955,690 is referred to.
Patent GB-184918-A (GB)
Title: A portable transposing device for use on pianofortes
IPC: G10C3/28
Filed: 1921-06-04
Abstract: 184,918. Dickinson, F. J. June 4, 1921. Pianoforte transposing rneans.-A frame adapted to be mounted on the keyboard and carrying a laterally slidable transposing keyboard consisting of the customary white and black keys, has extensible ends 8, 8<a>, having a range of adjustment sevoral times greater than the width of a piano key for use with pianos ending on other notes than A, and is furnished with depending fingers 9 formed of 'metal strip for insertion between the extreme keys of the piano and the piano cheeks. The keys 1, 2 of the slidable keyboard with their felted blocks 3 are attached by spring strips to a bar or runner 5 adapted to be slidable on the fixed bar 6 of the frame. The fixed bar 6 carries by means of spring strips the intermediary striking means, consisting of felted hammers or levelling keys 10, which in the form shown, are provided only for the white keys 12 of the piano, as shown in the middle part of Fig. 1. The two members of this transposing device can be made in foldable or separable sections.
Patent GB-617912-A (GB)
Title: Improvements in ventilators
IPC: F24F13/18
Filed: 1946-05-22
Abstract: 617,912. Ventilators. GREENWOODS & AIRVAC VENTILATING CO., Ltd., and HUGHES, B. D. May 22, 1946, No. 15528. [Class 137] A built-up ventilator comprises two spaced bar - like longitudinal frame elements 1, 2 of pressed steel or non- ferrous material, and a pressed louvre sheet 6 extending therebetween and having at two opposite sides its edges bent over backwardly to form part of a duct frame, these edges being bent over again to form flanges 15 parallel to the sheet 6 to which an anti-insect screen 9 is secured, e.g. by screws 10. In the form shown, two louvre sheets are provided with a glazed portion between. The side elements 1. 2 are bent from a metal strip to provide an outer building-in flange 3 and an inner glazing flange 4, and the sheets 6 have bent over sides 7, fitting over the frame elements, and draining apertures 11. Transverse glazing bars 13 are also provided. The ventilator may extend vertically or horizontally.
Patent GB-111077-A (GB)
Title: Improvements in Finger-rings.
Inventor: DEPOLLIER CHARLES LEON
IPC: A44C9/00
Filed: 1917-10-26
Abstract: 111,077. Depollier, C. L. Oct. 26, 1917. Finger rings.-In rings of the type comprising two outer rings secured to a signet or bond and an inner ring adapted to fit frictionally between the outer two, the inner ring comprises an incomplete annulus d, between the ends of which is pivoted at d<1> a receiver e adapted to fit within the bond c, stops e<1> on the receiver engaging shoulders c' on the bond. In the arrangement shown, the receiver e is solid and has inscriptions engraved on both faces, the bond c being in the form of a frame to enable either inscription to be exposed. In a modification, the receiver e is formed as a container for a lock of hair or other memento, in which case a solid signet or bond is used so that the ring d must be withdrawn to expose the contents of the receiver.
Patent GB-715517-A (GB)
Title: Improvements in or relating to electro-acoustic transducers
Inventor: ROBERTON JAMES SAMUEL PATERSON
IPC: H04R11/00
Filed: 1952-06-20
Abstract: 715,517. Electro-acoustic transducers. STANDARD TELEPHONES & CABLES, Ltd. June 12, 1953 [June 20, 1952], No. 15609/52. Class 40 (4) In an electro-acoustic trans ducer of the rocking armature type described in Specifi cation 704,065, the arma ture 3 is mechanically con nected to a point on the diaphragm 9 offset from its centre so that the electro magnetic unit which is longer than the radius of the dia phragm does not extend beyond the rim-clamped periphery of the diaphragm The diaphragm 8 has an inner dished portion of substantially exponential cross section and an outer sub stantially flat margin whicl is wider on the side over which the electro-magnetic unit lies than at the other side of the diaphragm.
Patent GB-612303-A (GB)
Title: Improvements in or relating to apparatus for grinding rotating eccentric knives
IPC: B24B3/44
Filed: 1946-05-23
Abstract: 612,303. Grinding machine cutters. RUAU, F. F., and MOLINS MACHINE CO., Ltd. May 23, 1946, No. 15701. [Class 60] In apparatus for grinding a rotating and axially-moving knife having a cutting edge eccentric to the axis of rotation, e.g. the knife of a machine for cutting a moving cigarette rod into lengths as described in Specification 324, 379, and of the kind comprising a grinding element located adjacent a position in the path of the knife at which the knife has an axial component of movement away from the grinding element the surface of which is so inclined to the plane of the knife that successive points along the eccentric edge touch successive points along the inclined grinding surface as the knife moves, the grinding element is a wheel with a peripheral grinding surface and is pivotally movable solely about a fixed axis to different grinding positions corresponding to different paths followed by the knife when its speed of rotation and extent of axial movement are altered, e.g. for cutting cigarettes of different lengths, and the pivot is so located that the inclination of the grinding surface varies in such manner as to maintain the degree of eccentricity of the knife-edge substantially constant. As shown applied to the cut-off mechanism of the machine described in Specification 324,379, [Class 130], a grinding wheel 1 having a peripheral grinding surface 2 is rotatable by a pulley 10 in one arm 3 of a bell-crank lever pivoted at 4 on the machine, the other arm 5 of the lever being urged by a plunger 7 and spring 6 into engagement with a cam 8 which may be rotated by hand to effect angular adjustment of the lever. The camshaft 14 carries a serrated locking collar 13, see Fig. 1 (not shown), which is urged by a spring 15 into engagement with a similar fixed collar 12. The collar 13 is graduated to facilitate setting of the cam for different adjustments of the cut-off mechanism. The cam may be replaced by a screw.
Patent GB-1351705-A (GB)
Title: Magnetic digital recording
IPC: G11B5/31
Filed: 1971-05-19
Abstract: 1351705 Magnetic heads SPERRY RAND CORP 19 May 1971 [21 May 1970] 15766/71 Heading G5R A head for recording digital information in a uniaxial anisotropic magnetic film 28 capable of supporting only NÚel domain walls comprises a conductor 16 sandwiched between uniaxial anisotropic magnetic films 14, 18 which are arranged to form a magnetic circuit with a transducing gap 20; the gap is arranged to be perpendicular to the direction of movement 34 of the film 28, and thereby parallel to the easy axis 30 of the film, and the conductor 16 is arranged to be inclined to both the film movement direction 34 and the easy axis direction 22 of the magnetic circuit films 14, 18. In operation, the conductor 16 is energized with binary form pulses by a source 32 and the arrangement is such that the digit domains recorded in the film 28 are polarized in one sense or the other along the axis 30 and with NÚel walls with anti-clockwise rotation of the fields between opposite polarity domains.
Patent GB-1303869-A (GB)
IPC: C08J9/06
Filed: 1970-04-02
Abstract: 1303869 Phenolic resin foams DYNAMIT NOBEL AG 2 April 1970 [2 April 1969] 15777/70 Heading C3C A phenolic resin foam is made by foaming a mixture of an aqueous solution and/or suspension of a phenolic resol obtained by condensation of a phenol with an aldehyde in aqueous alkaline medium, a solid or liquid expanding agent, a solid or liquid hardener, a surfactant and 5-50% by wt., based on the resin, of a shrinkreducing agent which is particulate calcium sulphate hemihydrate with optionally anhydrous calcium sulphate and/or calcium sulphate dihydrate, in particulate form. Up to 5% by wt. of the calcium sulphate may be replaced by another calcium salt, a sulphate of an alkali or alkaline earth metal, or of zinc or aluminium, or an alkali metal chloride. The expanding agent may be chloroform, carbon tetrachloride, a chlorofluoromethane, n-pentane, n-butyl ether, petroluem ether, ethylene dichloride or an alkali metal or ammonium carbonate or bicarbonate. The hardener may be a p-toluene sulphonic acid or HCl, with glycol, H 2 SO 4 , boric acid and/ or silicon dioxide. The surfactant may be a polyethylene ether of a monoester of a C 12-18  fatty acid and sorbitol, or a water-soluble ethoxylated castor oil and acts as a cell regulator. In the example the phenolic resins used were phenol/formaldehyde resols in solution in aqueous sodium hydroxide. The foams may be made in open box moulds to form blocks which were then sawn into panels. The foams may be made continuously by foaming the above mixture between the belts of a heated double belt press.
Patent GB-986155-A (GB)
Title: Modification of polyolefins
IPC: C08K5/092
Filed: 1962-04-25
Abstract: The physical properties of a polyolefin are improved by incorporation of an aliphatic polycarboxylic acid containing at least 6 carbon atoms, in an amount from 0.5 to 2% of the polymer. The polyolefin may be derived from ethylene, propylene or isoprene, and the acid may be adipic acid, an isomeric mixture of saturated C10 dicarboxylic acids, or a trimerized mixture of unsaturated fatty acids derived from soybean oil. Specification 819,824 is referred to.
Patent GB-1311515-A (GB)
Title: Process for the preparation of hydroxycarboxylic acid nitriles
IPC: C07C67/00
Filed: 1970-04-03
Abstract: 1311515 Hydroxycarboxylic acid nitrites HENKEL & CIE GmbH 3 April 1970 [5 April 1969] 15856/70 Heading C2C Hydroxycarboxylic acid nitriles; e.g. the novel compounds of the formula wherein R 1  is a C 1-22  aliphatic residue, R 2  is a hydrogen atom or a C 1-21  aliphatic residue and the sum of the carbon atoms in R 1  and R 2  is from 6 to 22; are obtained by reacting epoxides containing at least 5 carbon atoms in the liquid phase with hydrocyanic acid in the presence of a compound forming cyanide ions and/or a strong base.
Patent GB-1390599-A (GB)
Title: Gold to glass joint
IPC: C03C3/087
Filed: 1973-04-03
Abstract: 1390599 Glass to metal seal INSTITUT KIBERNETINI AKADEMII NAUK GRUZINSKOI SSR 3 April 1973 15884/73 Heading C1M In a gold to glass seal, the glass consists of, in mole percentages: SiO 2  60-62; Al 2 O 3  0À5-1; ZrO 2  0À5-1À5; SrO 5-7; CaO 6-8; Na 2 O 18À5-20À5; K 2 O 4À5-6À5; WO 3  1À5-2 and La 2 O 3  0À2-0À25. The glass surface may be coated with a film of silicon dioxide.
Patent GB-382248-A (GB)
Title: Improvements in adjustable electric resistances
IPC: H01C10/32
Filed: 1932-06-06
Abstract: 382,248. Variable resistances. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN, 13D, Emmasingel, Eindhoven, Holland. June 6, 1932, No. 15973. Convention date, June 13, 1931. [Class 37.] In a variable resistance having the resistance element 1 carried by an annular support 14, the contact lever 3 is movable about a spindle 5 which is eccentrically arranged with respect to the support. Wear on the contact is thereby distributed over a larger area, owing to the point of contact on the lever being different for every position. A spiral spring 8 connects the contact lever 3 to a terminal 13 so that the resistance may be used as a potential divider.
Patent GB-1141347-A (GB)
Title: Couplings for conduit systems and method for making the same
Inventor: REESOR JAMES WILLIAM
IPC: F16L13/14
Filed: 1966-04-12
Abstract: 1,141,347. Pipe joints. REYNOLDS METALS CO. 12 April, 1966, No. 16019/66. Heading F2G. [Also in Division B3] Metal pipes 21, 22 are connected together by a sleeve 23 formed with an annular bead 24 and drawn inwardly by a die movable from the ends of the sleeve towards the middle thereof. An adhesive, e.g. an epoxy resin, is disposed between the sleeve and the pipes and maintained under compression.
Patent GB-798417-A (GB)
Title: Improvements in or relating to plug type doors
IPC: E05D15/10
Filed: 1955-06-03
Abstract: 798,417. Doors. GREGSON & CO., Ltd., and BISHOP. A. H. May 30, 1956 [June 3, 1955], No. 16064/55. Class 20(3) A sliding plug type door 1 swingable forward and away from the plane of a door opening 3, and slidable transversely across it, is suspended from an elongated channel shaped carriage 7 movable along an overhead track 2, by means of a pair of arms 20 each pivoted at one end about a vertical axis to the carriage 7. The other end rotatably and swingably supporting a hanger bolt 22 adjustably secured by nuts 29. 30 to an arm 26 of a strap 27 secured to the door. The carriage 7, of U-section, has, at each end, a pair of rollers 8 which are mounted on a spindle 9 and bear upon rail portions 6 on either side of a slot 5 formed in the base of the rail 2 and receiving the base of the carriage 7. The inner end of each arm 20 is shrunk on to a pin 13 which extends upwardly through a cup member 10 welded within an aperture in the base of the carriage 7, the pin 13 being rotatably supported within the cup member 10 by ball bearings 14, 15 separated by a spacing ferrule 16. The upper end of the pivot pin 13 carries a castellated nut 17 which bears upon a grease retaining washer 18 supported upon the upper ball bearing 15. The bolt 22 at the outer end of the arm 20 is supported by a ball race 23 which bears upon a spherical seating 24 in a receiving aperture 21 so that the bolt and thus the door, can swing, the diameter of the aperture 21 being made substantially larger than the diameter of the bolt 22. By continuing to urge the carriage 7 in the direction of the arrow 33 after the door has reached the closed position, the arms 20 exert an inward pressure on the door to provide a tight seal with a gasket 4. Means is provided for locking the carriage 7 on to the rail 2 to maintain the door in the closed position.
Patent GB-564217-A (GB)
Title: Improvements in and relating to screw propellers
IPC: B64C11/30
Filed: 1943-01-13
Abstract: 564,217. Variable - pitch propellers. FAIRHURST, L. G. Jan. 13, 1943, No. 16102/42. [Class 114] A hydraulically-operated variable-pitch propeller installation comprises an annular cylinder 14 surrounding a hollow driving shaft through which a gun may be fired, or hollow shafts 12, 13 when coaxial propellers are used, as described in Specification 538,621, and containing a double-acting annular piston 15 coupled to the blades by parts 16 ... 20 for pitch changing, the cylinder having fluid-supply ducts 30, 31 external to the hollow shaft. The ducts 30, 31 lead to grooves in a stationary housing 22, Fig. 2, a floating bush with rows of openings 24, 25 being provided between the housing and the outer cylinder wall ; ports 26, 27 in the wall communicate with the openings. In a modification, longitudinal supply ducts are provided in the space between the shafts 12, 13. In another form, a grooved sleeve provides ducts leading from a running joint to wall apertures. Specification 295,248, [Class 114], also is referred to.
Patent GB-459647-A (GB)
Title: Improvements in or relating to press-button switches
IPC: H01H13/02
Filed: 1936-06-09
Abstract: 459,647. Press - button switches. WELIN, E. K. F., 83, Paulsborner Strasse, Halensee, Berlin. June 9, 1936, No. 16145. [Class 38 (v)] A press-button 1 of a switch is in the form of a small glow lamp which on depression moves a contact spring 5 to engage a second contact spring 6 to complete the circuit. The outer shell 7 of the lamp socket is connected through a resistance 8 to a contact spring 9 which, in the off position of the switch shown, engages the underside of contact spring 6 to complete the lamp circuit in order to indicate the position of the switch. In a modification, the press operates a pivoted contact. Also resistances may be arranged in both of the leads to the lamp and the lamp may have a transparent protective covering.
Patent GB-797287-A (GB)
Title: Improvements in or relating to a method of making a heat-treatable article of stainless steel
IPC: C22C33/02
Filed: 1955-06-06
Abstract: A method of making stainless steel articles comprises compacting a mixture consisting of low carbon, low oxygen iron powder, 11-25 per cent of powdered chromium, 0-2.5 per cent of powdered nickel, at a pressure above 50 tons per sq. in., sintering the compact at a temperature above 2000 DEG F. in a hydrogen atmosphere having a dew point below -25 DEG F., coining at above 60 tons per sq. in., and carburizing at above 2000 DEG F. in an atmosphere of hydrogen having a dew point below -15 DEG F. and in the presence of, but out of contact with, solid carbon.  The carburized article may be given a homogenizing treatment in a molten salt bath.  The chromium and nickel may be added as powdered elementary metals or as powdered ferro alloys.  It is stated that the reducing atmosphere during sintering is critical and must be free from oxygen and moisture.  The hydrogen atmosphere may be obtained by passing the hydrogen over a palladium catalyst to cause the oxygen to combine with hydrogen and then over activated alumina to remove moisture.  In addition to iron, chromium and nickel the alloy may also contain silicon (1 per cent max.), sulphur, phosphorus, manganese, molybdenum, tungsten, titanium, columbium, zirconium, cobalt, up to a total of not more than 5 per cent.  U.S.A. Specifications 2,333,573, 2,411,073 and 2,489,839 are referred to.
Patent GB-1008154-A (GB)
Title: Improvements in or relating to the treatment of gases
Inventor: FORD IAN ALASTAIR MONCRIEFF
IPC: C10J1/00
Filed: 1963-04-24
Abstract: A dangerous gas, i.e. a combustible or a toxic gas, may be odorized by the addition of propylene sulphide (2-methylthiirane), in a preferred quantity of 0.5 to 5000 p.p.m. by volume at N.T.P. The gas may be "bottle" gas which is a liquefied hydrocarbon containing for example propane and/or butane, or it may be town gas.
Patent GB-1139051-A (GB)
Title: Machined bodies of high density heavy metal alloys
Inventor: GOODFELLOW GLENN BEATTIE
IPC: C22C27/04
Filed: 1966-04-13
Abstract: 1,139,051. Tungsten based alloy articles. POWDER ALLOYS CORP. April 13, 1966, No.16262/66. Heading C7A. A machined body at least one eighth of an inch thick is made of an alloy comprising: - W 80-99À9% optionally Co up to 1% the balance being Fe and Ni with the ratio Fe/Ni being from 17/23 to 7/3. Tungsten may be partially replaced by up to 10% Mo and the Fe content preferably does not exceed the Ni content by more than 35% by weight thereof. In examples the bodies are made by pressing and sintering in hydrogen prior to machining.
Patent GB-402819-A (GB)
Title: Improvements in collapsible refill containers for paste-like or liquid products
IPC: A46B11/00
Filed: 1932-06-09
Abstract: 402,819. Reservoir brushes. CALDERARA, M., 47, Avenue de Brimont, Chatou, Seine-et-OisÚ, France. June 9, 1932, No. 16292. [Class 19.] A collapsable refill container for pasty or liquid substances has a cylindrical wall of thin metal bent into a helical V -shaped groove, and the base may be so shaped as to fill the container completely when collapsed. The container a, Fig. 3, has a screwed nozzle a<6> adapted to be fitted into the interior nozzle of a shaving brush or like device. The base is composed of two parts as, a<10>, the wall of the container being folded between them at a<11> and united to them by dipping into molten metal. If the container is to be collapsed by hand, an internal stem made of spirally wound metal ribbon is provided to prevent lateral deformation. The brush adapted to be used with the container has a middle part b, Fig. 1, fitted with a screw sleeve b<3> and a slotted sleeve b<5>, a collar b<4> working in the screwed sleeve and sliding by means of pins b<7> in the slotted sleeve. To the pins is fastened a plunger b<8> which comprises the container. The portion b is reversible, so that when an empty container is removed the full one can be inserted at the other end, the end portions b<1> and b<2> being simply exchanged. In another construction, the plunger is moved step by step by pressure on a button connected to a spring- retracted, pivoted lever.
Patent GB-1310457-A (GB)
Title: Dithiophosphoric acid derivatives and their use as insecticides and fungicides
IPC: C07F9/18
Filed: 1971-05-21
Abstract: 1310457 Dithiophosphoric acid esters BAYER AG 21 May 1971 [22 May 1970] 16382/71 Heading C2P Novel compounds of the general formula wherein R is C 1 -C 4  alkyl and X is H, halogen or C 1 -C 4  alkyl are obtained by reacting a dithiophosphate of the formula wherein M is a metal equivalent or an ammonium group, with Hal.C 2 H 4 .O.R, wherein Hal is halogen, e.g. Cl, Br or I. The reaction is generally conducted in a solvent or diluent. The compounds II (when M is an alkali metal atom) may be prepared by the following reaction: and the subsequent reaction with the halide HalC 2 H 4 OR may be carried out with or without isolation of the compounds II. The products have acaricidal and fungicidal properties and may be used as active ingredients in conventional pesticidal compositions.
Patent GB-1470956-A (GB)
Title: Fluid pressure transformer
IPC: F04B9/117
Filed: 1974-07-04
Abstract: 1470956 Reciprocating pumps J HARBIDGE 4 July 1974 [5 April 1973] 16409/73 Heading F1A A fluid-pressure transformer, e.g. a hydraulicallyactuated pump, comprises one or more linked pairs of motor and pumping pistons 3, 13 working in respective cylinders 2, 12, fluid-flow to and from the motor cylinders being controlled by a rotary valve 60, and flow to and from the pump cylinders being controlled by check valves 85, 86. The valve drive shaft 200 may be driven by a hydraulic motor connected to the same supply as motor cylinders 2.
Patent GB-255611-A (GB)
Title: Improvements in conveyors or screens for coal and other minerals or materials
IPC: B07B1/42
Filed: 1925-06-26
Abstract: 255,611. Barker, W. H. June 26, 1925. Jigging conveyers.-Convevers. or screens for coal &c. of the type supported by rollers coacting with straight or curved paths on the undersides of the screens and the supporting bases, have the rolling surfaces h each formed of two inclined surfaces g connected by a curve about midway of their ends, the curve being of a radius slightly greater than the diameter of the roller f. This form of surface is stated to effect a more definite action without excessive rise at the ends of the stroke. Specification 30123/09 is referred to.
Patent GB-736568-A (GB)
Title: Improvements in or relating to gas seals between relatively rotatable parts
Inventor: GUERIN JOSEPH DUDLEY SHULDHAM
IPC: F16J15/34
Filed: 1953-06-16
Abstract: 736,568. Stuffing-box substitutes. NAPIER & SON, Ltd., D. June 14, 1954 [June 16, 1953], No. 16513/53. Class 122 (5). In a rubbing-collar type sealing device for use between relatively rotating parts, such as a shaft 1 and its housing 2, and in which a liquid sealing film is maintained between the annular sealing faces, the sealing liquid is supplied to a groove 6 which is formed in one of the faces 5 and, when viewed along the axis of rotation, is of polygonal form surrounding the axis. The face 5 is provided on an annular member 4 supported in the housing 2 and resiliently urged into engagement with a radial flange 3 on the shaft. Oil under pressure is supplied through ducts 13, annulus 12 and bores 11 to the groove 6 which is a regular octagon. Two or more grooves may be provided, one or more of which may be formed in each of the sealing faces and, when two or more are formed in one face, they may be separate or overlap each other.