baber/WOPTO huggingface dataset:
Patent GB-150691-A (GB)
Title: Method of operating combustion turbines
Inventor: GENSECKE WILHELM
IPC: F01D5/08
Filed: 1920-08-27
Abstract: 150,691. Gensecke, W. Aug. 27, 1919, [Convention date]. Cooling parts; working-fluid supply.-The nozzles b of a combustion turbine a are arranged for partial admission, the gases being led away by a special collector c, and the rotor is cooled by circulating air through the spaces d on either side by means of the pumping action of the rotor. The members b, c extend over a part only of the rotor periphery, and the outlets i, k for the cooling air are preferably provided at a part of the casing which is not exposed to the combustion gases. For multi-stage turbines, the cooling air for the higher-pressure stages is drawn from a suitable stage of the air compressor and returned to the same or a lowerpressure stage.
Patent GB-532421-A (GB)
Title: Improvements in handle-operated fastening for doors
IPC: E05C1/14
Filed: 1939-08-30
Abstract: 532,421. Latches. NEWMAN & SONS, Ltd., W., and SHEAD, H. C. Aug. 30, 1939, No. 24855. [Class 44] A door latch bolt 2 is retracted by pulling or pushing either of two handles 3, 4 mounted on opposite sides of the door 1. The handles of U- form with off-set limbs 3a, 3b, 4a, 4b are mounted on aligned pivot pins 8, 9 in lugs 6, 7 on attachment plates 5. The limbs 3a, 4a have arms 17, 18, Fig. 3, which extend into and engage the end of a slot 13 in the bolt, so that the bolt is retracted by pulling either of the handles. The limbs 3b, 4b have extensions 19, 20, Fig. 4, which engage a lever 15 pivoted between lugs 21 on one of the plates 5 so that when either handle is pushed, the other handle is rocked away from the door and its arm 17 or 18 retracts the bolt. The bolt shown is slidably housed in a tubular mortise casing 10 and is shot by a spring 11, outward movement being limited by screw 12 guided in a slot in the casing.
Patent GB-634603-A (GB)
Title: Arm elevating and lowering mechanism for radial drilling machines
IPC: B23B39/12
Filed: 1947-09-11
Abstract: 634,603. Drilling-machines. ASQUITH, Ltd., W., and JOHNSON, A. Sept. 11, 1947, No. 24917. [Class 83 (iii)] A mechanism for raising and lowering the radial arm C of a drilling-machine comprises a motor-driven nut A engaging a non-rotating elevating screw B which is slidably journalled in the radial arm C and is splined in a box F freely rotatable on the machine pillar E so that it can rotate with the arm C about the pillar; the screw B is capable of slight axial movement against the action of a spring D so as to operate a safety switch G and stop the motor should the arm encounter an obstruction in its downward movement. The radial arm C has two bearings C<SP>1</SP> and C<SP>2</SP> for the screw B, and carries the motor which drives the nut A through worm gearing. An emergency nut K is provided to prevent the arm C from falling in the event of the nut A being stripped of its threads. On the arm encountering an obstruction to movement in the downward direction, continued rotation of the nut A, which is rigidly mounted in a bracket C<SP>3</SP> fixed to the arm C, causes the screw B to be moved axially and co-operate with the switch G to stop the motor. Compression of the spring D can be varied by means of a screw M. Switches are provided in the arm for stopping the motor automatically at both the upper and lower limit of traverse of the arm. The latter switches co-operate with an axial slot in the screw B and are actuated to stop the motor as they are influenced by the curved or inclined ends of the slot. The motor can then only be restarted to move the arm in the opposite direction.
Patent GB-245539-A (GB)
Title: Improvements in and connected with trawl fish nets and floats for same
IPC: A01K73/05
Filed: 1924-10-20
Abstract: 245,539. Bridge, R. Oct. 20, 1924. Net floats and buoys.-A net float comprises an inflatable rubber tube enclosed in a canvas or other case 1 round which are secured bands 3 having tabs 4 provided with eyelets 5 for securing the head line or mouth of the net. The entrance to the case is provided with a flap 10. The ends of the rubber tube are closed by dome-shaped members which are vulcanized thereto; one of these members is provided with a valve and valve-cap. The tube may comprise inner and outer layers of rubber and an intermediate layer of canvas. Reference has been directed by the Comptroller to Specification 248,419.
Patent GB-638646-A (GB)
Title: Improvements in goggles
IPC: A61F9/02
Filed: 1947-09-12
Abstract: 638,646. Goggles. WELLS, C. M., WELLS, J. C., DEWEY, B., PROCTOR, R., SCHUMACHER, E. L., SPENCER, C. E., STEWART, W. A., TONER, J. V., and WILLIAMS, E. E., (constituting the AMERICAN OPTICAL Co.). Sept. 12, 1947, No. 25089. Convention date, Dec. 29, 1941. [Class 97 (i)] In a goggle which comprises a unitary cuplike member having shield-supporting means in the forward portion thereof and continuous side walls of resilient material extending rearwardly from said means to a face-contacting portion and serving to span said means from the face of a wearer, the face-contacting portion has an inwardly curled lip of resilient material. As shown in Figs. 1 and 9, the goggle comprises a cup-like member 15 as of rubber having shields 18, 19 disposed in recesses 32, the forward part thereof and, in the rear thereof, a facecontacting portion 21 having an inwardly-curled lip 29. The goggle is held in place on the face of a wearer by a head band 24 fastened at its ends to lugs 22, 23 secured as by cementing to the side walls of the goggle. The forward part of the goggle is provided with two series of ventilating parts 20, each of which series communicates with an annular channel 36 which may be formed by a member of S-shaped crosssection inserted into a recess 41, Fig. 4, on the inside of the goggle, providing a baffle 35 and serving to support one of the shields 18 or 19. A wick of absorbent material may be placed in the channel and this wick and the baffle 35 prevent injurious gases and liquids from reaching the eyes of the wearer as air is drawn in through the ports 20. Baffles may also be formed on the outside of the goggle by providing one or more rubber caps 43, Fig. 12, with ventilating apertures 45 and a collar 46 which may be turned down over said apertures as shown at 47 in Fig. 12. On the outside of the goggle there may also be provided open-ended cylinders, each of which communicates with the goggle interior through one of the ventilating ports. Each cylinder has placed therein an acid neutralizing filter enclosed by wire mesh and consisting as of charcoal or soda-lime.
Patent GB-163056-A (GB)
Title: Treatment of waste grease from tinworks and other works to obtain oils and other useful products
IPC: C10M175/00
Filed: 1920-06-05
Abstract: 163,056. Lane, L., and Williams, D. H. June 5, 1920. Oils, recovering.-Waste roll or axle grease or pitch, obtained from steel-works, tin-plate rolling- mills, &c. is distilled to obtain oils and greases, and in some cases, a residue of coke. The waste grease is melted in a primary still 4, from which the vapours are led by a pipe 9 to a condenser. The melted grease is drawn off by a perforated pipe 10 to a main still 7. The vapours pass to a condenser in which by means of cocks alternative passages may be opened. The light vapours are passed through pipes 18, 19, and a coil 20 immersed in a cooling-tank 16. The middle vapours are passed through pipes 14, 15 and a pipe 17 in the cooling tank, and the heavy vapours through pipe 18 and an exit pipe 21. A tank containing a freezing-mixture may be used to condense very light vapours. Air may be injected into pipe 13 to assist in condensing the heavy vapours. Stirrers 5, 26 are provided in the stills 4 and 7. The liquid residue from the still 7 may be distilled in a separate still to form coke.
Patent GB-890413-A (GB)
Title: Improvements relating to electromagnetically actuated friction clutches
Inventor: BROWN KENNETH ROBSON
IPC: F16D27/112
Filed: 1958-08-06
Abstract: 890,413. Friction clutches. FERRANTI Ltd. Nov. 3, 1959 [Aug. 6, 1958], No. 25144/58. Class 80 (2). An electromagnetically engaged friction clutch has an armature 27 adjustably coupled to a driven plate 15, and an air gap 31 between the armature and a magnet 28 is determined by means of gauging studs 37 on the armature. The armature is fast with a sleeve 24 abutting a nut 23 adjustably screwed on to a rod 21 actuating the plate 15 through a bearing 22, and the plate 15 is urged into light engagement with a driving plate 11 by a spring 33. In the operative position of the armature and magnet the studs 37 are received in recesses 39 in the magnet and a locating dowel 40 is received in socket 41 in the magnet. To adjust the air gap a dust-excluding clip-on cap 26 is removed and the nut 23 is slackened. Sleeve 24 is then depressed to carry the dowel 40 and studs 37 clear of the socket and recesses, and the armature is then rotated until the dowel 40 is in register with a socket 42, and the sleeve released. Spring 33 urges the studs against the magnet to give the desired air gap, and nut 23 is tightened until appreciable torque is delivered by the driven plate 15. The armature is then returned to its operative position, a clip 35 inserted in a groove in the sleeve 24 to prevent accidental downward movement sufficient to release dowel 40 from the socket 41, and cap 26 is replaced, so that the clutch is ready for operation. The armature operates in a dust-tight enclosure 43, and the enclosure remains effectively sealed during the adjustment procedure. Plates 11, 15 have peripheral teeth 13, 17 meshing input and output gears.
Patent GB-165761-A (GB)
Title: Process of desulphurising gases
IPC: B01D53/48
Filed: 1920-08-31
Abstract: 165,761. Farbwerke vorm. Meister, Lucius, &. Br³ning. July 2, 1920, [Convention date]. Addition to 149,911. Void [Published under Sect. 91 of the Act]. Materials for purifying; purifier waste, revivifying.-In a process of desulphurizing gases by passing them over finely porous carbon, as described in the parent Specification, the carbon is kept as free as possible from water. The gas is dried before being brought into contact with the carbon, and in regenerating the carbon the gas employed, such as hydrogen or other sulphur-free gas indifferent to the carbon, should be dried before use.
Patent GB-443901-A (GB)
Title: Improvements in or relating to the manufacture of ascorbic acid and its analogues
IPC: C07D307/62
Filed: 1934-09-01
Abstract: In the preparation of ascorbic acid and its analogues from ketose sugars, the intermediate 2-keto-acids are prepared by oxidizing the ketose sugars with hot aqueous nitric acid, as such or prepared in situ.  When the required stage of oxidation is attained, the reaction is stopped by rapid cooling, dilution if necessary and neutralization with a weak alkali.  The keto-acid is isolated in a purified form by precipitating the clarified solution with organic solvents, extracting with water and liberating the acid by acidification.  For conversion into ascorbic acid and its analogues, the keto-acid is esterified and treated in known manner, e.g. with an alkali alkoxide (cf. Specification 430,264).  According to the examples: (1) l-sorbose, prepared from l-sorbitol by the action of B-xylinum, is heated on the water bath for a few minutes with dilute nitric acid and the solution then poured into ice water, neutralized with barium carbonate, and the clarified solution diluted with methyl alcohol and extracted with water; after liberation of the acid with sulphuric acid, methyl alcohol is added to the concentrated solution, which is then distilled under reduced pressure, whereby simultaneous removal of water and esterification is effected; the anhydrous syrup containing methyl-2-keto-l-gulonate is then heated with sodium methoxide in methyl alcohol solution and acidified with methyl alcoholic hydrogen chloride and l-ascorbic acid isolated by extraction with and crystallization from ethyl alcohol; (2) the same procedure as in (1) is followed, except that the syrup of the ester is allowed to crystallize out before the treatment with sodium methoxide; the syrupy mother liquid is then further esterified and treated with sodium methoxide; (3) fructose is heated with dilute aqueous nitric acid on a water bath for a few minutes and the procedure of (2) carried out, with intermediate isolation of methyl-2-keto-d-gluconate prior to its conversion into d-arabo-ascorbic acid (3-keto-d-glucono-lactone).
Patent GB-1037968-A (GB)
Title: Hopper apparatus
Inventor: DOUSE GEORGE WILLIAM
IPC: B65G65/00
Filed: 1964-06-18
Abstract: 1,037,968. Hoppers for tobacco. IMPERIAL TOBACCO CO. (OF GREAT BRITAIN & IRELAND) Ltd. June 17, 1965 [June 18, 1964], No. 25269/64. Heading B8S. A hopper containing tobacco is lodged in a frame 50 in the position shown, the hopper being held therein by spring latch 23, and the frame and hopper being carried by arms A and B, which arms are pivotally secured to the frame 50 at 51 and 55 and to fixed points at 52 and 56. Operation of fluid cylinder 53 rotates arm A anticlockwise so that the hopper and frame tip over leftwards to cause the hopper to discharge its material on to a conveyer (not shown). The movement of frame and hopper. is guided by the pivot pins 51 and 55 which move in appropriate slots formed in fixed side members 57. The two slots meet at point C and the passage of the pivot pins past point C is assisted by a pivoted cam 60 formed with slots 59 and 58. When the frame and hopper thereupon return clockwise to the position shown, element 21 carried by frame 50 contacts a fixed member so that latch 23 releases the hopper for its replacement by another hopper.
Patent GB-842010-A (GB)
Title: Oil-soluble polymeric dispersants
IPC: C08F226/06
Filed: 1956-08-17
Abstract: Copolymers suitable for use as additives to mineral lubricating and fuel oils are prepared from (1) at least one acrylic ester of the formula CH2=C(Rx)COOR where Rx is hydrogen or methyl and R is an alkyl group and (2) an N-vinyl 2-pyrrolidone of the formula <FORM:0842010/IV(a)/1> wherein each of R2 to R6 represents hydrogen or a C1-C4 alkyl group, the N-vinyl 2-pyrrolidene supplying from 5 to 30 per cent by weight of the copolymer, the acrylic ester supplying at least a major proportion by weight of the balance of the copolymer, and the R group(s) in the ester(s) containing at least 8 carbon atoms or an average of at least 8 carbon atoms.  The N-vinyl 2-pyrrolidone may be N-vinyl a -pyrrolidone or 3-methyl 1-vinyl, 4-methyl-1-vinyl 5-methyl-1-vinyl, 3-ethyl-1-vinyl, 3-butyl-1-vinyl, 3,3-dimethyl-1-vinyl, 4,5-dimethyl-1-vinyl, 5,5-dimethyl-1-vinyl, 3,3,5-trimethyl-1-vinyl, 4-ethyl-1-vinyl, 5-methyl-5-ethyl-1-vinyl or 3,4,5-trimethyl-3-ethyl-1-vinyl 2-pyrrolidone.  The alkyl group of the ester may be butyl, hexyl, heptyl, octyl, dodecyl, myristyl, cetyl, stearyl, tricosyl or tetracosyl.  The copolymer may contain minor amounts of other co-monomers such as dibutyl, dioctyl, didodecyl, dicetyl or octadecyl butyl itaconate, didodecyl fumarate, vinyl laurate, stearate, or octoate vinyl dodecyl ether, vinyl tetradecyl thioether, vinyl butyl thioether, butoxyethyl, dodecyloxyethyl, or dodecylthioethyl methacrylate, or, particularly, a tertiary-amino-alkyl acrylate or methacrylate such as dimethylaminoethyl methacrylate.  Copolymerization is preferably effected in an organic solvent such as benzene, toluene, xylene, aromatic naptha or a mineral oil, in the presence of a catalyst such as azodiisobutyronitrile, dimethylazodiisolbutyrate, azodiisobutyramide, benzoyl, acetyl, caproyl, lauoyl or methyl ethyl ketone peroxide, di-tert butyl diperphthalate, 2,2-bis(tert. butyl-peroxy) butane, or tert. butyl or cumene hydroperoxide, a particularly effective initiator system being one developed by using a hydroperoxide together with a quaternary ammonium salt.ALSO:A mineral lubricating or fuel oil composition has dissolved therein a copolymer containing from 5 to 30% of copolymerized N-vinyl 2-pyrralidone units or substitution derivatives thereof, and units of at least one copolymerized oil-solubilizing ester of acrylic and/or methacrylic acid (see Group IV(a)).  The composition may also contain other additives such as anti-oxidants, water-resisting agents, anti-rust agents, pour point depressants, viscosity index improvers, anti-foam agents, dyes and detergents such as alkaline earth metal petroleum sulphonates.
Patent GB-690908-A (GB)
Title: Method of bonding steel to aluminium
IPC: B23K20/227
Filed: 1951-10-30
Abstract: An alloy for strip bearings comprises aluminium, 85-96.5 per cent (particularly 92 per cent), silicon up to 10 per cent (preferably 2-10 per cent, particularly 4 per cent) and cadmium up to 5 per cent (preferably 1.5-5 per cent, particularly 4 per cent).  Specifications 668,456 and 669,510, [both in Group XXII], are referred to.
Patent GB-424431-A (GB)
Title: Improvements in and relating to frames for pictures and the like
IPC: A47G1/10
Filed: 1933-09-13
Abstract: 424,431. Furniture joints. HAWKSLEY, G., 13, Brunswick Street, Sheffield. Sept. 13, 1933, No. 25292. [Class 52 (ii)] [See also Groups XV and XXII] Frames for mirrors, pictures, panels, &c., are made from metal, composition, or other channel members of L, V, U or other section and jointed by means of corner caps, covers, pockets, or washers provided with lugs which are passed through slots in the channel members, or vice versa. The corner cap, Fig. 2, is adapted to engage the mitred ends of two L-shaped frame members c, Fig. 7, and is provided with long lugs a which fold down inside one flange of the members and small lugs f which engage in slots in the sides and /or top faces of the channel members. A variously shaped metal washer e, Fig. 13 may be placed on the inside of the joint and is provided with slots through which the lugs f engage or, alternatively, the frame may be formed by bending a mitred channel member, which has lugs f left projecting on the mitred ends, and engaging the lugs f with a corner washer e, Fig. 16. The washer may be provided with lugs and the channel member with slots.
Patent GB-191785-A (GB)
Title: Improvements in vulcanizing apparatus
IPC: B29D30/06
Filed: 1921-09-23
Abstract: 191,785. Fletcher, W. K., and Rushmer, J. Sept. 23, 1921. Covers.-In a vulcanizing-press a locking-ring 5 on the steam chamber 4 is formed with wedgeshaped lugs 12 between which pass corresponding lugs 11 on a cover 6 operated by rams 7. Partial rotation of the cover 6, e.g. by crowbars passing through holes 13 in lugs 14, causes the lugs 11, 12 to lock the cover and force a packing ring 9 into contact with the lower rim 10 of the chamber 4. To prevent the cover from being unlocked while live steam is present, a detent 25 on the locking ring 5 operated by a lever 28 engages a hole in the cover 6. On withdrawing the detent, the lever 28 presses on the stem of a valve 31, and escaping steam warns the operator.
Patent GB-1187453-A (GB)
Title: Magnetic Developing Brush
IPC: G03G15/09
Filed: 1967-06-01
Abstract: 1,187,453. Magnetic holding devices. KONISHIKOKU PHOTO INDUSTRY CO. Ltd. 1 June, 1967 [6 June, 1966], No. 25401/67. Heading H1P. [Also in Division G2] A magnetic brush developing apparatus has permanent magnets 1, 5, 6, 7 and 8 arranged on a stationary arbor 4 of non-magnetic material within a non-magnetic rotatable cylinder 2. The cylinder 2 rotates in a container for a mixture of toner and iron particles. One magnet 1 has another magnet arranged perpendicular thereto at each lateral side, thereby increasing flux density to produce a more effective magnetic brush 12. In a modification, Fig. 5 (not shown), the cylinder 2 is dispensed with, the arbor (4) itself being rotatable and carrying a plurality of magnet assemblies.
Patent GB-937559-A (GB)
Title: Improved subbing solution and layer for polycarbonate filmbase
Inventor: WARING JAMES RUSSELL
IPC: C08L69/00
Filed: 1961-07-13
Abstract: A subbing solution for bonding a hydrophilic colloid to a polycarbonate film base contains: (1) gelatin; (2) a lower alkylene carbonate (e.g. ethylene or propylene carbonate); (3) a solvent including acetic acid or methyl or ethyl acetate; (4) a hydrophobic polycarbonate copolymer which is soluble in acetone or in a mixture of ethylene chloride and methylene chloride, e.g. the reaction product of carbowax 4000, bisphenol A, and phosgene; and (5) cellulose nitrate or a polyacrylate or polymethacrylate (including polyacrylic acid and acrylicmethacrylic acid copolymers).  The preferred quantities (per 100 c.c. of solution) are 0,6-0,9 gm. gelatin, about 20 c.c. of alkylene carbonate, 0,3-0,5 gm. of polycarbonate, and 0,3-0,5 gm. of polyacrylate or methacrylate. Other solvents, e.g. methanol, ethanol, diacetone alcohol, acetone, or butyl "Cellosolve" (Registered Trade Mark) may be added, and cross-linking agents for the gelatin (e.g. 0,005-0,1 gm. glyoxal/100 c.c.) and a dispersing agent for the gelatin (e.g. 0,2-0,5 gm./100 c.c. of an aromatic carboxylic acid, e.g. phthalic or salicylic) may also be added.  The acrylate is usually added as a solution in toluene and the nitrocellulose is acetone.  It is advisable to make up the solution in three parts, part 1 containing the gelatin, part 2 the alkylene carbonate and acetic acid or acetate and part 3 the polycarbonate and acrylate or nitrocellulose.  In mixing, part 1 is normally warmed and part 2 added with stirring, followed by part 3. The resultant mixture is coated on a polycarbonate filmbase and dried; hydrophilic colloids such as photographic silver halide emulsions or gel overcoatings may then be laid down on the substrate and dried.  Several examples are given. Specification 927,577 is referred to.
Patent GB-907986-A (GB)
Title: Improvements in or relating to ultraviolet radiation sources
IPC: H01J65/06
Filed: 1959-07-24
Abstract: 907,986. Humidity determination. PHILIPS ELECTRICAL INDUSTRIES Ltd. July 24, 1959 [July 29, 1958], No. 25506/59. Drawings to Specification. Class 40 (3). [Also in Group XL (a)] Humidity of air is determined by passing radiation of 1216Š through an air sample and into a photon Geiger counter having a window permeable to the radiation and filled with nitric oxide. Comparison is made with the counting rates obtained with air samples having known moisture content. The source of 1216Š radiation is a glass or metal vessel having a lithium fluoride window and filled with tritium gas at a pressure of 1 atmosphere and with or without hydrogen. The metal or glass part of the vessel can be coated internally with a reflecting layer of platinum and can contain a tungsten filament for facilitating dissociation of the trietium and hydrogen.
Patent GB-241558-A (GB)
Title: Improvements in or relating to a vacuum power generating device
IPC: F01B17/00
Filed: 1925-10-14
Abstract: 241,558. Leistler, A., and Scholnhamsmer, H. Oct. 14, 1924, [Convention date]. Piles, driving. - The Figure shows a pile driver for actuation by an apparatus in which combustion of a vapour produces a vacuum, in which the cylinder 27 is fixed to the pile by a rod 29, and the piston is reciprocated by the vacuum. The piston is attached by rods 29<1> to a plate engaging hooks 31 which hold the tup 30. The tup is lifted by the rise of the piston, and at the beginning of the down stroke the hooks are caused to to release the tup, the fall of which is followed by the descent. of the piston and the re-engagement of the hooks with the tup. In a modification, the piston is fixed on the pile and the cylinder carries the tup.