baber/WOPTO huggingface dataset:
Patent GB-612315-A (GB)
Title: A mechanism for automatic adjustment, to pre-selected settings, of movable elements,such as tunable components in radio and like electrical circuits
IPC: G05D3/12
Filed: 1945-07-10
Abstract: 612,315. Stopping shafts in predetermined positions. COCKER, B. A., HARRISON, R., and HARDING, I. H. July 10, 1945, No. 17639. [Class 80 (ii)] [Also in Groups XXXVIII and XL (c)] In a system for setting a shaft such as that of a tuning element in radio apparatus to one of a number of predetermined positions, a selector shaft carrying a number of notched cams is rotated so that. one of a number of latch bars co-operating with the cams is released and engages a notched cam on the shaft to be set when it has rotated to the selected position, this shaft being set in, motion when the selector shaft is rotated. Figs. 2 and 3 show the driving mechanism of an embodiment, and a single set of cams with an associated latch bar 17, in which rotation of a switch (not shown) causes a relay 10 (Fig. 2) to be energized, closing contacts 25 and thus completing the circuit of a motor 1 driving a shaft 2. The energization of relay 10 also causes an arm 9 to pivot about a horizontal axis actuating coupling means between shaft 2 and a coaxial shaft 3 which drives a shaft 12 until switch 20 (Fig. 3) mounted on shaft 12 and interconnected with the setting switch causes relay 10 to be de-energized. If correctly set, cam 15 is now in such a position that latch 17 pivoted about an axis 18 will be able to engage it when free to do so. The de-energization of relay 10 causes member 9 to pivot back under the influence of a spring 28 so that coaxial shaft 4 is now coupled to motor 1. Thus, shaft 14 coupled to the tuning member is rotated until cam 16, mounted on a shaft 14 and cam 34 mounted on a shaft 33 coupled to 14 by reduction gear 36 (Fig. 3), are both able to engage member 17, whereupon it engages cams 15, 16 and 34 and also actuates contact 31 cutting out the motor. A limit switch 38 is provided to limit the movement of shaft 33. To improve the accuracy with which shaft 12 stops, contacts 26 co-operating with a notched cam 27 on the shaft 12 are connected in the circuit of relay 10. The apparatus may be operated manually by setting shaft 12 to a position which all the latch bars are held off the cams, and rotating a shaft 39 which is coupled to shaft 14 through a slipping clutch 40. A lamp may be associated with the contacts 31 to indicate when the shaft has reached the preselected position.
Patent GB-703781-A (GB)
Title: Improvements in or relating to a spinning toy
IPC: A63H1/24
Filed: 1951-07-25
Abstract: 703,781. Spinning toys. MARX & CO.. Inc., L. May 13, 1952 [July 25, 1951], No. 17702/51. Class 132(3) A toy which is spun while suspended from a string comprises members 10, 11 of light pervious material. A light emitting assembly is mounted within member 10 and includes a dry cell 22, lamp 23, and a centrifugal switch.. The switch comprises a bell-crank lever 27 pivoted on a pin 29 and normally maintained in the position shown in Fig. 4 by a light spring 33 which electrically connects the end contact of the lamp with arm 27a of the lever 27. When the toy is spun, centrifugal force acts on a mass 31 on arm 27b of the lever and arm 27a engages contact 32 of the battery 22 to complete the lamp-battery circuit. A light emitting assembly may be provided in each of the members 10, 11 which may be of different colours.
Patent GB-380524-A (GB)
Title: An improved type of spraying nozzle and method of manufacturing thereof
IPC: B05B1/18
Filed: 1931-06-22
Abstract: Spray nozzles having perforated projections are formed by dipping a former having stainless steel projections or pegs on its face in a solution or emulsion of rubber or the like coagulating and vulcanizing, and then trimming the projections after removal from the former.  The rubber may also be applied by spraying, moulding or electrophoresis, including the moulding directly of milled rubber. An emulsion for this purpose comprises rubber (as latex) 87,7 parts, sulphur 1,5 parts, mineral oil 5,0 parts, tetramethyl-thiuram disulphide 0,3 part, zinc oxide 4,0 parts, and lampblack 2,0 parts all by weight.  Specifications 219,635, 290,313, [both in Class 70, Indiarubber &c.], and 358,011 are referred to.
Patent GB-546086-A (GB)
Title: Improvements in or relating to detachable bits for percussive rock drills
IPC: E21B17/04
Filed: 1940-12-23
Abstract: 546,086. Percussive rock drills. CRAIG, E. Dec. 23, 1940, No. 18020. [Class 124] In a percussion rock drill in which a bit 1 is removably secured to a drill rod 6 by the end of the members being inserted into a socket 2 in the other member, the inter fitting surfaces of the two members are substantially parallel with the drill axis and are of Archimedean spiral configuration. The inserted member may be slightly tapered with a bevelled end to facilitate entry into the socket, and its bottom may be slightly convex to engage the cor - respondingly concave bottom of the socket. The spiral configuration may be duplicated, and the wall of the socket may be adapted to stretch slightly to improve the locking effect. Also, the inserted member may be formed with one or more circumferential corrugations 7.
Patent GB-706905-A (GB)
Title: Improvements relating to gas injectors for gas-fired furnaces and other gas heated apparatus
IPC: F23D14/48
Filed: 1949-07-08
Abstract: 706,905. Gas burners. ALLDAY & CO., Ltd., W., and ROBERTS, R. G. July 7, 1950 [July 8, 1949], No. 18044/49. Class 75 (1) A gas injector come prises a tubular member 5 internally threaded at its front end for con nection with a burner air admission aperture! 6 atitsrear end, an integ rally formed nozzle 5b projecting axially int( its rear end and an integrally formed tubular extension 5c projecting rear-wardly from and in axial alignment with the tubular member and closed by a screw plug 9, the extension having a side aperture 5d for connection with a gas pipe 7, and being internally threaded for the setting therein of a rod 8a having a conical inner end 8b adapted to co-act with a conical seating 5e on the nozzle 5b. A slotted sleeve 10 is slidably mounted on the tubular member to control the flow of air through the air apertures 6, and is held in position by a pin 11 located in a tapped bore in the tubular member.
Patent GB-386666-A (GB)
Title: Improvements in or relating to railway switches
IPC: B61L5/02
Filed: 1931-06-22
Abstract: 386,666. Railway switches. WILLIAMS, L. WYNN-, Haughton Bridge Works, Darlington. June 22, 1931, No. 18074. [Class 104 (i).] In switches of the heelless type in which the resilience of the points maintains them in a central position, adjustable means are provided to balance this centralizing force and thus facilitate operation of the points. In one form the stretcher bar is connected by a link g to a spring toggle, one member of which consists of two telescopic parts bl, b<2> pressed apart by a spring c. In the form shown in Fig. 4, the stretcher bar h is directly connected to the centre pivot of the toggle and both arms of the toggle are of the spring-pressed telescopic type. Specification 16800/10, [Class 104 (i), Railway and tramway crossings &c.], is referred to.
Patent GB-564983-A (GB)
Title: Improvements in valves for bladders of case balls and the like
IPC: F16K15/20
Filed: 1943-11-02
Abstract: 564,983. Inflating-valves. LINAKER, T. H. Nov. 2, 1943, No. 18080. [Class 135] An inflating - valve for the bladders of case balls comprises a rubber tube 1 within the bladder having a bevelled lower end to serve as a seat for a rubber ball 5 connected to the inside of the tube by a rubber strand 3. In another form, a rubber tube within the bladder encloses another tube, each tube having a hole in its side and the inner tube having solid ends with the upper end provided with a hole in the centre and with a transverse groove to provide a grip for turning it.
Patent GB-223870-A (GB)
Title: Improvements in open hearth furnaces
IPC: F27B3/00
Filed: 1924-07-30
Abstract: 223,870. Bosshardt, E. Oct. 25, 1923. [Convention date]. Gaseous-fuel furnaces.-In a reversible regenerative open-hearth furnace, having a gas generator at each end, the gas drawn off from the upper part of the generators is delivered to a chamber where it mixes with the gases evolved at the white heat zone before entering the furnace. In the position shown, the hearth is fired from the right-hand end, air from the right-hand regenerator 8 passing through passages 9, 9<1> into the hearth 1 and waste gases escaping through the opposite passages 9, 9<1> into the other regenerator 8. Gas from the upper part of the generators 3 passes through flues 15 into chamber 16 from which flues 18, controlled by valves 17, lead to chambers 19 which communicate, on one side,. with the white heat zone of the generator and, on the other side, through passages 21 with the hearth 1. The chambers 16 are connected by pipes 20 and when the left-hand valve 17 is closed, as shown, the gas from both generators is delivered to the right-hand chamber 19. The escape of gases into the hearth from the generator opposite the firing end is prevented by delivering a current of air through slots 30 arranged between the chamber 19 and the hearth 1, this air current also serving to cool the ports &c. at that end of the furnace.
Patent GB-581721-A (GB)
Title: Improvements relating to electric welding
IPC: B23K11/00
Filed: 1940-12-30
Abstract: 581,721. Welding. GORDON, S. H., . SINCLAIR, J. M., MILLWOOD, W. H., and YOUNG, W. F. Dec. 30, 1940, No. 18226. [Class 83 (iv)] In making hollow articles of cylindrical, spherical or other curved form by electrically welding two parts edge to edge, the parts are secured in the fixed and movable electrodes by a solder of low melting-point. The soldered joints take a considerable proportion of the forging pressure during welding and prevent buckling of the work. In view of the heat produced by the welding current, very little additional heat is required to melt the solder after welding in order to remove the work from the electrodes. The electrodes 14 are provided with light detachable loaders 6, concave on one side to fit the work parts 2 and convex on the other side to fit the concavity in the electrode so that parts may be welded while other parts are being soldered to other loaders. The soldered areas preferably extend inwards through a little less than 45 degrees as indicated at 18. The loaders are provided with dowels 16 fitting in recesses in the electrodes and have rebated flanges 10 by which they are clamped to the electrodes by the hooked ends of pivoted bolts 12. In addition to welding together two parts of the same shape as in welding compressed-air bottles, a hemispherical, conical or ogival part may be welded to another part which may be otherwise secured in its electrode.
Patent GB-698524-A (GB)
Title: Solutions of acrylonitrile polymers containing an inorganic acid salt of a nitrogenous base
IPC: C08K5/16
Filed: 1951-08-01
Abstract: Acrylonitrile polymers containing at least 80 per cent of acrylonitrile are dissolved in an organic solvent for the polymer such as N,N-dimethyl formamide, N,N-dimethyl acetamide or sulpholane, to provide a solution containing at least 5 per cent of polymeric material, the solution containing from 0.1 to 5 per cent based on the weight of the organic solvent of hydroxylamine hydrochloride, dimethylamine hydrochloride, phenylhydrazine hydrochloride, or aniline sulphate.  Copolymers of acrylonitrile specified are those containing up to 20 per cent of one or more copolymerizable monomers such as acrylic, methacrylic, and haloacrylic acids, methyl, butyl, octyl, methoxymethyl, and chlorethyl acrylates, methacrylates, and alpha-chloracrylates, methacrylonitrile, vinyl fluoride and chloride, vinylidene fluoride and chloride, 1-fluoro-1-chloroethylene, vinyl acetate, chloracetate, propionate, and stearate, styrene, vinyl naphthalene, N-vinylphthalimide, N - vinylsuccinimide, N - vinylbutyrolactam, N - vinylcaprolactam, 2 - vinylpyridine, vinylpyrazines, N - allylformamide, N - methallyl - formamide, N - ethallylformamide, N - vinyl - N - methylformamide, allyl urea, and N - allyl-sulphonamides.  The solution may also contain other polymeric materials such as a dye receptive copolymer of acrylonitrile and a vinyl substituted heterocyclic tertiary amine.  The solutions may be used for forming films, fibres, sheets, casings, tubings and rods. In an example a dimethylacetamide solution of a blend of acrylonitrile copolymers containing hydroxylamine hydrochloride is spun into a mixture of water and dimethylacetamide containing 60 per cent of the latter, maintained at 50 DEG  C., the fibres then being withdrawn from the coagulating bath and dried and stretched.
Patent GB-573793-A (GB)
Title: Amplifying arrangement using saturable bore reactors
IPC: H03F9/02
Filed: 1943-11-06
Abstract: 573,793. Non-contact-making relays. STANDARD TELEPHONES & CABLES, Ltd. (International Standard Electric Corporation). Nov. 6, 1943, No. 18450. [Class 40 (iv)] In an amplifier of the kind in which the degree of saturation of a choke 4, 5 in the circuit of a local A.C. source is controlled by a winding 6 carrying the current to be amplified and the output is rectified, a portion of the rectified output is fed back to a further winding 8, through a phase-shifting condenser and/or inductance 9 if necessary, to produce an effect in opposition to that of the input signals.
Patent GB-845122-A (GB)
Title: Method of purifying barium oxide
IPC: C01F11/06
Filed: 1957-06-12
Abstract: Carbon is removed from a mixture of barium oxide and carbon containing at least 70% by weight of barium oxide by heating the mixture in a stream of a gas inert to the barium oxide which contains not more than 5% of water vapour, at above 1000 DEG F. e.g. 1500-2300 DEG F.  The inert gas may be nitrogen, argon, helium or hydrogen and in the former cases may contain small amounts, preferably not more than 5%, of oxygen; if desired also hydrogen or a gaseous hydrocarbon such as methane or propane may be present so as to generate the water vapour in situ.  The mixture of carbon and barium oxide may be fluidised by the stream of gas.  The initial materials may be produced by calcining a mixture of barium carbonate and carbon in a fluidised bed maintained by the gas which has been employed in a subsequent bed to fluidise and calcine the so-formed materials according to the invention.  A fluidised bed reactor suitable for these processes is described (Fig. 1, not shown).  Specifications 759,766, 759,821 and 836,797 are referred to.
Patent GB-1143455-A (GB)
Title: Telephone exchange
IPC: H04M3/58
Filed: 1967-04-21
Abstract: 1,143,455. Automatic exchanges. INTERNATIONAL STANDARD ELECTRIC CORP. 21 April, 1967 [27 April, 1966], No. 18477/67. Heading H4K. In a P.A.B.X. where a subscriber engaged in a call to a remote exchange can hold an interim call with a second subscriber of the P.A.B.X. the call to the remote exchange is set up over a link as shown in Fig. 2, where a subscriber is connected on one side to either one of inputs A 1  or A 2 , which are connected to different switches of the PA.B.X., and an exchange line VSt is connected to the other side, a path through the link being provided by 2 x 2 switch KV, portion AW and contact u. In response to the operation of a so-called recall key by the subscriber, relay U disconnects the exchange line and connects portion AW to a second portion RW. Also a register is connected to portion AW and receives the number of the second subscriber, with whom the interim call is is to take place and to whom a connection is.set up from the unused input A 1  or A 2 . Switch KV is now changed to connect the original calling subscriber to portion RW, and the second subscriber to portion AW to receive ringing current from RG. The two subscribers are linked over the contact u. Either subscriber may cause the exchange line to be reconnected over contact k to join the call. Reoperation of the recall key by the original subscriber releases the interim connection and reconnects the original subscriber to the exchange line. The second subscriber is connected to the exchange line if the original subscriber hangs up. The exchange may employ cross-bar switches or sealed contact reed relay matrices.
Patent GB-693892-A (GB)
Title: Improvements in or relating to manufacture of shot
IPC: B29B9/00
Filed: 1949-07-13
Abstract: 693,892. Making shot. OLIN INDUSTRIES, Inc. July 13, 1949 [July 23, 1948], No. 18488/49. Class 82(ii) Shot is formed from high melting metal e.g. iron by dropping a stream of the molten metal into a quenching bath, the metal being intercepted by a moving screen having at least half its active area occupied by open spaces and the screen being wetted with a cooling liquid where contacted by the molten metal. Molten metal, Fig. 1, poured from a ladle 1 is intercepted, prior to falling into a quenching liquid 11 which may be water, with or without antioxidants, by a rotating screen 3 formed of or covered with bibulous material; the screen which may be inclined at 45 degrees, is continually cooled by water from the nozzle 14. In a modification, a horizontal rotary screen is situated just below the surface of the quenching bath. U.S.A Specification 1,959,014 is referred to.
Patent GB-734106-A (GB)
Title: Improvements in and relating to surfaces particularly for use on sports grounds
IPC: E01C13/06
Filed: 1953-07-03
Abstract: 734,106. Sports grounds. MULLARD, S. R. July 5, 1954 [July 3, 1953], No. 18527/53. Class 132(1). Pieces of relatively hard material 6 are embedded or inlaid in a relatively soft surface layer 5 to form a sports ground or the like. As shown, layer 5 is covered by a thin coating 7 e.g. of bitumen emulsion. Layer 5 may consist of a composition comprising, by volume, 30 parts of medium coarse vermiculite, 19 parts cement and 6 parts of a water emulsion of bitumen. This composition is spread on a bed 8, e.g. of ash, clinker, concrete or the like, and after hardening slightly holes are formed in it, after which it is allowed to harden completely. The holes are then filled up with a composition comprising 1 1b. cement to 8 fluid ounces of a 10 per cent solution of cement hardener which forms plugs 6. These plugs contract on setting and the recesses so formed are filled with bitumen emulsion. Instead of plugs continuous intersecting strips of harder material may be formed.
Patent GB-415242-A (GB)
Title: Cash-register
IPC: G06C7/10
Filed: 1933-06-29
Abstract: 415,242. Cash registers. SCHLENKER, A. E., 19, Fabrikstrasse, Schwemiingenon-Neckar, Germany. June 29, 1933, No. 18536. Convention date, June 29, 1932. [Class 106 (i).] With operating means; transfer-mechanism.- A differentially-set, independently-operated cash register has its setting-levers 1, Fig. 1, restored in succession to zero position by two rotations of a crank shaft 13. Each setting- lever is freely rotatable about the crank shaft and is rigid with a toothed actuator 5 and notched restoring disc 9. Discs 50 fast on the crank shaft carry restoring pawls arranged successively 180‹ out of phase. These pawls engage in succession from the lowest denomination the notches in the restoring discs and return the setting-levers to zero position. At zero the pawls for the two lower denominations are disengaged from their notches by the abutment of their tails with a fixed rod 52. The pawls for the two higher denominations are rendered ineffective during the first revolution of the crank shaft by shields 63 mounted on an axially slidable shaft 64 and co-operating with the tails of the pawls. During the second revolution, the shields are disabled by a cam driven from the crank shaft and operating on the shaft 64 to shift the shields out of the paths of the pawls. The pinions 49 of the totalizer are coupled in succession to the actuators 5 by intermediate gears 47 axially slidable into mesh with the pinions by arms 44 cam-operated from a 2 : 1 shaft 42. Transfer pinions 54, Fig. 8, are each provided with two sets of teeth, one set permanently in the path of movement of the transfer tooth 55 of the totalizer wheel 48 of lower order, and the other set normally in mesh with teeth 53 on the wheel of higher order. The shifting of an intermediate gear 47 into coupling position, through a lever 56, moves the corresponding transfer pinion axially to disengage the totalizer wheel from the wheel of lower order. Differentially-moved indicators.-Two sets of indicating drums 23 for the salesman and purchaser are mounted on a common shaft and actuated by sets of toothed sectors 14, of which one set meshes with the actuators and is connected to the other by nested tubes. The indicators return to zero with their associated setting levers and are maintained in zero position by spring-urged detents 32 engaging between stops 30, 31 on the drums. At the end of the second revolution of the crank shaft 13, the detents are disabled by a bail 35 to free the indicators and permit the next item to be set up.
Patent GB-385874-A (GB)
Title: Improvements in or relating to upholstery mountings
IPC: B60R13/02
Filed: 1932-07-01
Abstract: 385,874. Securing upholstery in position. BUDD MANUFACTURING CO., E. G., 2500, Hunting Park Avenue, Philadelphia, U.S.A.-(Assignees of Ledwinka, J. ; 2500, Hunting Park Avenue, Philadelphia, U.S.A.) July 1, 1932, No. 18672. Convention date, July 1, 1931. Addition to 361,498. [Class 52 (iv).] The tacking strip 18 forming the subject of the parent Specification is preformed by rollers to a wedge-shaped section similar to, but slightly larger than, the shape of the corresponding groove 11, in which latter it is retained by fastening elements 20 driven into the strip and through the panel 10.