baber/WOPTO huggingface dataset:
Patent GB-776807-A (GB)
Title: Improvements in flame-resistant elastomer compositions
IPC: C08K3/02
Filed: 1955-07-22
Abstract: A flame-resistant elastomeric composition comprises an intimate dispersion of an elastomer and iodine or an organic material liberating iodine in an amount equivalent to from 1 to 25 parts iodine per 100 of elastomer.  Specified elastomers are Butyl rubber, polybutadiene, polychloroprene and copolymers of a butadiene or its halogen derivatives such as chlorobutadiene and styrene, nuclear-substituted styrenes, alpha-substituted styrenes, acrylic and substituted acrylic acids and their esters, nitriles and amides, vinylidene halides, chloro- and fluo-vinyl monomes, e.g. difluorodichloroethylene, or alkyl vinyl ketones and ethers. Specified iodine liberators are iodoform, di- or tetra-iodomethane and tetra-iodo ethane.  The iodine material may be dissolved in a solvent, e.g. methyl ethyl ketone, acetone and diethyl ketone.  There may also be present inorganic additives, e.g. oxides of titanium, antimony or zirconium and the carbonates of magnesium, lead, cadmium or zinc and potassium or sodium bicarbonate, or mixtures thereof preferably in an amount from 5 to 100 parts per 100 of elastomer. The composition may be vulcanized in the presence of the usual vulcanization ingredients.ALSO:A flame resistant elastomeric composition comprises an intimate dispersion of natural rubber and iodine or an organic material liberating iodine in an amount equivalent to from 1 to 25 parts iodine per 100 rubber.  Specified iodine liberators are iodoform di- or tetra-iodomethane and tetraiodoethane.  The iodine material may be dissolved in a solvent e.g. methylethylketone, acetone and diethylketone.  There may also be present inorganic additives e.g. oxides of titanium, antimony or zirconium and the carbonates of magnesium, lead, cadmium or zinc and potassium or sodium bicarbonate, or mixtures thereof preferably in an amount from 5 to 100 parts per 100 rubber.  The ususal vulcanising ingredients may be present and the composition may be vulcanized.
Patent GB-228470-A (GB)
Title: Improvements in boat raising or lowering gear
IPC: B63B23/60
Filed: 1924-09-09
Abstract: 228,470. Maclachlan Automatic Boat- Davit Co., Ltd., and McLachlan, C. D. Sept. 9, 1924. Boat-lowering gear.- The falls 2 are each connected to the relative davit arm or chock by a pennant 5 fitted with a slip hook 3 and arranged to be normally slack, but becoming taut as the boat is lowered. Specification 105,951 is referred to.
Patent GB-1602953-A (GB)
Title: Automatic record changer
IPC: G11B3/085
Filed: 1978-05-23
Abstract: An automatic record changer mechanism includes a tone arm 14, means for mounting the tone arm for rotation about a fixed point, a tone arm lift rod 72 having a substantially right- angle end portion 74, means defining a bearing for this end portion, which is positioned to engage the tone arm at a point spaced from the said fixed point, means 96 defining a shoulder extending generally transversely of the lift rod and spaced from the said right angle end portion, means 100 for biasing the lift rod upwardly into engagement with the shoulder, which shoulder is inclined with respect to the horizontal so that the said upward bias tends to rotate the lift rod about the right angle end portion as the lift rod is moved bodily upwardly along the shoulder, and means operative during a record changing cycle for controlling rotation of the lift rod, so as to control vertical movement of the right-angle end portion and produce raising and lowering of the tone arm. <IMAGE>
Patent GB-922596-A (GB)
Title: Resin-cored solder
IPC: B23K35/36
Filed: 1959-06-22
Abstract: The core of a cored solder comprises a resin (natural or synthetic and consisting of, or containing, abietic acid) containing an activator and a plasticizer.  The plasticizer should (a) have a boiling point higher than the intended soldering temperature; (b) be present in an amount sufficient to lower the freezing point of the resin whereby a quasi-plastic, non-tearing, tack-free film remains on the soldered joint; and (c) have a vapour pressure which is so low that it will remain in the resin remaining on the soldered joint. The resin preferably contains, by weight, 1-6% of an activator and 2-10% of a plasticizer. Specified activators are aniline-, toluidine-, and naphthalene hydrazine-hydrochloride, and adipic, malonic, phthalic and succinic acids.  Specified platicizers are butyl stearate, dibutyl and dioctyl sebacate, butyl and octyl esters of phthalic, adipic and tartaric acids, ketones, acid amides, alcohols and ethers.
Patent GB-784787-A (GB)
Title: Improvements in direct current supply systems for use in arc welding
Inventor: HATTY WILLIAM PATRICK HAMILTON
IPC: B23K9/10
Filed: 1954-07-22
Abstract: 784,787. Supply systems for welding arcs. LINCOLN ELECTRIC CO., Ltd. Sept. 27, 1955 [July 22, 1954], No. 21466/54. Class 38 (4). A main source of current for a D.C. welding arc is assisted, under conditions of heavy current demand such as occur during striking of the arc or when the arc is short-circuited by metal globules, by a lower voltage auxiliary source connected across the main source through a selenium rectifier which under normal welding conditions prevents the flow of current to, or from, the auxiliary source. Fig. 2 shows an arc 11 supplied from a main rectifier bridge 21 energized from an A.C. source over transformer 20 and choke 21. The auxiliary source comprises a rectifier bridge 25 energized from a transformer 24. In another arrangement the two sources are D.C. generators connected in parallel through a half-wave rectifier. Specification 718,871 is referred to.
Patent GB-136529-A (GB)
Title: Improvements in Apparatus for Perforation of Kinematographic Films.
Inventor: DITTMER ERNST GUSTAF VILHELM
IPC: B26F1/00
Filed: 1919-09-01
Abstract: 136,529. Dittmer, E. G. V. Dec. 10, 1918, [Convention date]. Reciprocating-punch machines.-In a machine for perforating the edges of kinematograph films, the intermittent feeding of the film is effected by one or more pins 9 firmly but adjustably eonnected to the head 7 of each punch 6, the head 7 being carried by an eccentric-operated frame provided with an extension 4, through which is imparted to a die-carrying slide 5 an horizontal reciprocation synchronizing with the substantially elliptical movement of the punches &c. The pin 9 is adapted to engage the film in advance of the punch and in the perforation last punched, and thereby serves to feed the film throughout the perforating operation. The extent of feed may be varied by adjustment of the pin 9 or by replacement of the eccentric disk.
Patent GB-1152809-A (GB)
Title: Electric Circuit Assembly
Inventor: COOKE REGINALD BENJAMIN WILLIA
IPC: H01C17/06
Filed: 1968-05-07
Abstract: 1,152,809. Circuit assemblies. STANDARD TELEPHONES & CABLES Ltd. 7 May, 1968, No. 21470/68. Heading H1R. An electric circuit assembly comprises a plurality of circuit chips 7 mounted on the surface of an insulating substrate 1 between two parallel sets of parallel continuous and/or discontinuous conductors 2-5, and connected to at least one conductor of each set by wires 8 extending at right angles to the conductors. As described, terminal areas 2, a power track 3, earth track 4, interconnection tracks 5 and frames 6 for the clips are formed by etching away areas of metal coating on the substrate as described in Specification 1,131,165. The initial laminate may be of glass coated with nickel/ chromium covered with gold or of ceramic material coated with aluminium. The conductors 2-5 and clips are interconnected by aluminium wires 8, Fig. 2 (not shown), ultrasonically bonded to the conductors and clips. Cross-over wires 8a may also be provided between the conductors 5 or the conductors may be connected by wires via the frames 6 which may be made discontinuous for this purpose. Resistive elements may be provided in the conductors by removing the layer of gold and leaving the nickel/chromium layer. The assembly may be placed in a container (10), Fig. 2 (not shown), and potted, terminals (12) being led out through the top or bottom of the potted assembly.
Patent GB-843320-A (GB)
Title: Process and apparatus for the extrusion of thermoplastic material
IPC: B29C48/10
Filed: 1958-07-04
Abstract: <PICT:0843320/IV(a)/1> Tubular films are made by forcing a thermoplastic material at a first temperature high enough to keep the material plastic through an annular channel, and extruding the tubular film so formed under pressure and without changing its dimensions through an annular orifice, the surface of the film being subjected, without changing its dimensions, to a second temperature higher than the first temperature immediately before the film is forced out of the orifice.  Preferably, the surface of the film is subjected to a second temperature 1-25%, especially 2-10%, higher than the first temperature for a period of 0,01-10 secs, especially 0,1 to 2 secs.  Apparatus as shown comprises an extrusion head 1 having extrusion die means with successively arranged first and second portions communicating together, the first portion forming a tapered annular channel 4 and the second portion forming an annular surface with cylindrical walls 5 having heating means 8, 9, extending only immediately adjacent to the outlet of the orifice, for additionally heating the outermost end of the cylindrical walls to a temperature higher than that of the first portion.  Interposed between the first and second portions may be a third portion having a smaller cross-sectional area than that of the first and second portions, (note grooves 10, 11, in parts 6, 7), whereby the flow of heat from the second portion to the first portion is limited.
Patent GB-481260-A (GB)
Title: Improvements in or relating to mine-roof supports
IPC: E21D11/18
Filed: 1937-08-05
Abstract: 481,260. Mine-roof supports. TRIGGS, W. W. (Gutehoffnungsh³tte Oberhausen Akt.- Ges.) Aug. 5, 1937, No. 21590. [Class 20 (ii)] Mine props or arches of the kind in which a tapered member is adapted to slide in another member with a wedge between the members disposed in a tapered socket, have the wedge formed in two parts with the contacting faces stepped and of steeper inclination than the outer wedge surfaces. In the form shown in Fig. 1, the wedge members 4, 4<1> have stepped contacting faces 5 of steeper inclination than the external face 6 of the wedge or of the tapered sliding member 2, and are adjusted relatively to one another in a tapered socket 3 by a bolt 7 and nut 7<11>, the bolt having a hammer head 7<1> to engage under one wedge member 4. The wedge members may be solid or hollow and stops 20 and 2<1> are provided to prevent separation of the wedge and lower prop-member 1, respectively, Resilient washers may be disposed between the nut 7<11> and the wedge member 4<1>. In a modification, the wedge members may be held together by a saddle member 9 which may be screw-adjusted at its upper end or, as shown in Fig. 6, may pivot about its upper end to release the wedges, stops 21 being provided on the socket 3 in which the wedge slides, to limit its outward movement. In other forms, the saddle member may be replaced by a swinging bolt passing through the centre of the wedge members and provided with hammer heads at both ends to contact with the wedge members to hold them together, resilient packing being interposed between the inner wedge member 4 and the sliding tapered member 2. In still another modification, Fig. 10, the wedge members are relatively adjusted by a tapered locking member 12 engaging between lugs 13, 131 on the wedge members and held in locking position by a sliding key 14 or by a cranked lever or screw or cam bolt. In yet another form, the contacting faces of the wedge members are recessed to receive a flat-sided rotatable bolt which locks them in adjusted position, or this bolt may be replaced by a tapered key passing through aligned slots in one wedge member and the socket 3, or through an offset of the socket to abut against the upper end of one wedge member. The adjusting nut shown in Fig. 1 may be replaced by a tapered key passing through a slot in the upper end of the bolt 7, and the hammer head 71 may be extended to abut against the lateral edges of the socket 3. The device may be applied to the foot of a mine arch.
Patent GB-1345456-A (GB)
Title: Tyre incinerator
IPC: F23G7/12
Filed: 1972-05-09
Abstract: 1345456 Burning tyres COMMISSARIAT A L'ENERGIE ATOMIQUE 9 May 1972 [13 May 1971] 21617/72 Heading F4B An incinerator for tyres comprises a charging lock 2 having a floor 32 sloping downwards to a hearth 6 closing the bottom of the lower part 1 of a combustion chamber of such dimensions that a tyre rests in it at a small inclination to the vertical, and an upper part 3 of the combustion chamber provided with air inlets 22. The top of the charging lock is closed by shutters 19 which are mechanically operated, and the sliding door 11 between the charging lock and the combustion chamber is integral with a frame 15 having an inclined bottom member 16 which forms a continuation of the floor of the lock 2 when the door is open. The bottom of the combustion chamber is closed by mechanically operated plates 6, which may be perforated or formed of rods to admit combustion air, and can be opened to dump the combustion residues into the ash pit 5. Air inlets 22 in the upper part 3 of the combustion chamber discharge high velocity air to create turbulence, and the gases may pass to a secondary combustion chamber and/or a filter. The side walls 4 of the lower part of the combustion chamber may be formed of louvres, or may be perforated or formed of rods, the ends of the piston being closed by walls 10.
Patent GB-1525157-A (GB)
Title: Multi-pole excess current circuit breaker
IPC: H01H71/40
Filed: 1976-05-25
Abstract: 1525157 Automatic circuit breakers ELLENBERGER & POENSGEN GmbH 25 May 1976 [6 Aug 1975] 21696/76 Heading H1N A multi-pole circuit breaker comprising two or more single-pole units generally as described in Specification 1,364,990 has tripping levers 41 of the units interconnected by a member 52 secured to the lever 41 of one unit and having a lost-motion coupling in slots 51 of the levers 41 of the other units so that on the initial movement of a lever 41 by its associated bimetal 39 or electromagnet 36, 44 the latch lever 16 of the respective unit will be tripped allowing the spring 28 to move the contact connection 21 about its pivot at 22 to rotate the lever 41 further so that as the lost-motion is taken up the other units are tripped. The levers 1 may also be interconnected.
Patent GB-597722-A (GB)
Title: Incinerator
IPC: F23L15/00
Filed: 1945-08-24
Abstract: 597,722. Refuse-consuming furnaces. SHARPE, H. W. Aug. 24, 1945, No. 21741. [Class 51 (i)] A refuse-consuming furnace comprises a housing divided into a combustion chamber, a downdraft flue and a chimney flue, the downdraft flue being connected at its upper end with the upper end of the combustion chamber and its lower end with the lower end of the chimney flue. A combustion chamber 17, with a grate 20. and having a perforated charging door 29, Fig. 5 with an arcuate pan 30 has its roof 22 arched and supported by hangers 23, from arched metal bars 24. The chamber 17 connects with a downdraft flue 18 through an opening 36 in a partition wall 35 and this flue 18 is separated from a chimney flue 19 by a hollow curtain wall 37, Fig 8, extending partially downwards from the top of the flue 18. Surrounding and spaced from the inner peripheral walls 8 of the structure is an outer peripheral wall comprising metal pans 1 with a refractory lining 4 ; outer roof plates are also provided. The resulting continuous vertical flue 10 communicates with the atmosphere at any desired points through a series of dampercontrolled openings, and air passes from the flue 10 through openings 41a into the combustion chamber 17, Figs. 5, 6; through openings 44, Fig. 7, to an ashpit 21; through openings 40a into a hollow wall flue 40 alongside the partition wall 35 and out through openings 41 to the chamber 17 and through openings 42 to the ashpit 21 ; through the upper end of an intake flue 46 in the curtain wall 37 and out through openings 47 in its lower end to the downdraft flue 18, Fig 8. Air also enters the chamber 17 through air ducts 34 surrounding 'the door 29 and through opening in the door itself. A forced draught may be created by a fan 69, Fig. 7, delivering air either into the chimney flue 19 or into the peripheral flue 10. A heater 73, Fig. 11, may be heated by the flue gases, a fan 76 and a series of dampers allowing the hot gases to pass through the heater or bye-pass it. The door 29 is fitted with a counterweighted lever and rod for ease of operation.
Patent GB-597731-A (GB)
Title: Improvements in or relating to driving devices for transferring loads from one spindle to another
IPC: F16H13/02
Filed: 1945-08-24
Abstract: 597,731. Friction gearing. PETO SCOTT ELECTRICAL INSTRUMENTS, Ltd., and WHIPMAN, C. Aug. 24, 1945, No. 21778. [Classes 80(i) and 80(ii)] [Also in Group XL] In friction gearing between two shafts 1, 4 at an angle to one another, the driving spindle 1 carries a resilient disc 7 which engages the face 8 of a rigid disc or cylinder 6 on the driven spindle 4. In a modification a second resilient driving disc 7a engaging the face 8 of the disc 6 at a point nearer its axis than the first driving disc 7, is carried on a driving sleeve 1a freely rotatable about the driving spindle 1. Rotation of either the spindle 1 or the sleeve 1a thereby imparts different speeds to the driven spindle 4. Disc 6 may also be stepped to provide different ratios, or two or more resilient driving discs on the same driving spindle may drive a corresponding co-axial and independently rotatable disc or cylinder. To maintain driving connection between the discs 6, 7, one of the supports 2a for the spindle 1 is slotted, and the disc 7 is kept pressed against the disc 6 by a spring 12 engaging an element 11 on the spindle 1. This invention is particularly applicable to the driving of tuning condensers 5 in radio apparatus.
Patent GB-573258-A (GB)
Title: Improvements in and relating to the spinning and twisting of yarns
IPC: D02G3/28
Filed: 1943-12-29
Abstract: 573,258. Spinning, twisting, and binding fancy yarns. CROSLAND, N. Dec. 29, 1943, No. 21820. [Class 120 (ii)] Means for spinning a yarn d<1> and twisting it with a previously-spun yarn j in one operation comprises the interposing between the delivery rollers h, i for the previously spun yarn and the ring r (or flyer spindle) of a twisting frame of a suitably-driven flyer a having an axial bore with an opening in its side wall and a central spindle c carrying a freely-rotatable package d of the yarn d<1> to be spun, the previously-spun yarn j being passed through the axial bore and opening in the side wall of the flyer, then through the eyes of the flyer, being led across the package d which it contacts and rotates, the yarn d<1> to be spun being led through the second eye a<4> of the flyer and both yarns then led to the ring r<1> (or flyer spindle) for twisting together. An additional thread k for producing a spotted effect in the finished yarn may be included. Alternatively, the thread j may be fed from the package d to the yarn d<1> from the rollers h, i. In a modification, Fig. 3, the flyer is inverted, two threads j being twisted together and bound by the yarn d<1> from the package d. In a further modification, the interposed flyer a has one arm only, the thread j being passed right round the package d and brought out with the yarn d<1> through the same twizzle a.
Patent GB-405673-A (GB)
Title: Improvements relating to fire-proofing and the prevention of corrosion in connectiontherewith
IPC: B27K3/32
Filed: 1932-08-03
Abstract: 405,673. Fireproofing. SMITH, S. C., 125, Kingsway, London. Aug. 3, 1932, No. 21826. [Class 140.] Materials such as wood, textiles and fibres are fireproofed by treatment with ammonium sulphate solution buffered to prevent corrosion of metallic bodies such as nails, with which the fireproofing solution may come into contact. Suitable buffering mixtures are (1) a borate (1 mol.) and a dihydrogen phosphate (2 mols.) of the alkali metals or ammonium and (2) sodium ammonium phosphate (2 mols.) and boric acid (4 mols.). The buffered solutions preferably have a pH of about 7. After impregnation, the surface concentration may be reduced by treatment with water or with the diluted buffered fireproofing solution, and a counterflow system may be used to recover the solution.
Patent GB-441869-A (GB)
Title: Improvements in or relating to the treatment of artificial silk
IPC: D06M11/20
Filed: 1934-07-26
Abstract: Artificial silk having a metal oxide fixed thereon is produced by subjecting the silk impregnated with a salt of the metal to the p action of steam and gaseous ammonia or other volatile base. Advantageously the steam and base are applied together at a temperature of 85--105 DEG  C.  Suitable metals are titanium, tungsten, antimony or bismuth.  Examples of volatile bases are aliphatic amines such as methylamine.  The metal is preferably applied as an aqueous solution of a salt, e.g. a 15--25 per cent aqueous solution of the chloride, sulphate, or thiocyanate of tetra-valent titanium.  Titanous chloride or thiocyanate may also be used and the titanium may then be subsequently oxidized.  The reagents may be applied by bath treatments, padding, spraying or printing, and differential local effects may be produced. Between the impregnation with the salt and the fixation of the metal, the material may be hydro-extracted to remove excess of reagent and dried.  Wetting-agents or swelling agents for the materials may be incorporated in the solution of the reagents, or the materials may be pretreated with such agents.  Examples of suitable swelling agents are given.  The metal salt may itself have a swelling action, e.g. titanium chlorthiocyanate.  The atmosphere of steam and gaseous base for the fixation of the metal may be obtained by volatilization of an aqueous solution of the base or by injecting the base into a steam chamber.  To attain high temperatures for the fixation the fixation chamber may be maintained under pressure.  The process may be continuous, the fabric, yarn or other material passing continuously through an impregnating bath or padding mangle to the fixing chamber with or without an intermediate hydro-extraction or drying.  Thus a cellulose acetate fabric may be padded with a solution of titanium chloride in the cold and carried directly into an atmosphere of steam and ammonia at 100 DEG  C.  The fixation time may be short, e.g. of the order of 2 minutes.  After the fixation step the materials may be washed in water, e.g. at 60 DEG  C. then in cold water, and finally scoured in a hot dilute soap solution.  In an example a cellulose acetate fabric is passed in about 4 minutes through a cold aqueous 20 per cent solution of titanium tetrachloride.  The material is squeezed so that it retains its own weight of solution and is then passed through a chamber containing steam at about 100 DEG  C. the time of passage being about 2 minutes.  Concentrated aqueous ammonia is injected into the steam chamber at such a rate that the fabric issuing from the steam chamber is substantially neutral.  The material is then rinsed in water and scoured in hot aqueous soap solution.  It has an excellent matt finish. Specification 391,772 is referred to.