baber/WOPTO huggingface dataset:
Patent GB-215503-A (GB)
Title: Improvements in the suspension of cycle saddles and other seats
IPC: B62J1/02
Filed: 1923-03-13
Abstract: 215,503. Starley, W. March 13, 1923. Saddles; saddle clips. - Cycle saddles and other seats are mounted on one or more springs, each formed of wire bent into an approximately quadrilateral figure a - - d with inside and outside coils e, f, so arranged as to give a parallel motion. One side of the figure, such as that formed by the free ends d of the wire, is clamped to the saddle or seat i, and the opposite side to the saddle pillar u or other support. The ends d are clamped between a washer m and a plate n by a screw o engaging a tapped hole in each limb j of a U-shaped fitting bolted to the saddlestretchers l. The side a is clamped to a plate r on a clip p.
Patent GB-239980-A (GB)
Title: Improvements relating to wireless valves
IPC: H01J21/08
Filed: 1924-03-21
Abstract: 239,980. Price, S. L. March 21, 1924. Vacuum tubes.-A valve has two or more filaments and a plate arranged so that the plate and filaments are adjustable; a control grid may be adjustable by gravity-controlled means within the bulb. As shown in Figs. 1 and 2, four filaments 5<a> - - 5<d> are mounted on spokes on discs 6, 7 separated by an insulating disc 8, each filament extending from a spoke on one disc to a spoke on the other disc. The discs are mounted on an axle 10, and may be adjusted to bring a filament into position inside the plate 3 by rotating the bulb, so that a ball 12, engaging with a stop 14 in a dished plate 13, causes rotation of the discs and filament. A brush 11 bears against contacts on the disc 6 to make connection with any filament. In a modification, looped filaments extend radially from discs, and the plate is of U-section or formed of two curved parts separated by gaps. In the arrangement shown in Fig. 11 the filaments 5 extend between two discs 17, 18 on a spindle carrying a ratchet 21 operated through a pawl 23 by a pendulum 24, the plate, not shown, consisting of two curved parts. In a further arrangement a plate mounted on wires is adjusted in position relatively to two straight filaments, for instance by shaking the bulb. A control grid may be provided. According to the Provisional Specification a part of the plate may be adjustable.
Patent GB-1091185-A (GB)
Title: Sizing
IPC: D06M15/11
Filed: 1965-02-19
Abstract: A granular, cyanoethyl ether of acid-hydrolysed starch is gelatinizable in water at pH 6 to 8.  The starch may be hydrolysed by acid to a fluidity of 18-97 c.c. and, before or after hydrolysis, cyanoethylated to DS 0.01-0.09 in aqueous medium at alkaline pH.  In one embodiment, an aqueous suspension containing 10-60% by weight of starch is heated to a temperature less than the gelatinization temperature with 0.1-10% by weight, based on dry weight of starch, of sulphuric or hydrochloric acid.  When the desired fluidity has been obtained, the slurry is neutralized by a strong base.  Acrylonitrile (e.g. 0.03-0.12 moles/ mole of starch) is added to an aqueous alkaline (pH 7-12) suspension of the acid-hydrolysed, granular starch and the mixture is heated until a DS of 0.01-0.09 is obtained.  The reaction mixture is neutralized to pH 6-8, washed and dried.  The product may then be bleached.  A slurry of the granular cyanoethyl starch ether in water (pH 4-8) is used to surface-size paper webs. (Divisions D1-D2).ALSO:Paper is surface-sized by applying to the web an aqueous paste of a cyanoethyl ether of acid-hydrolysed starch at pH 4 to 8, and drying the web.  The starch ether may have a cyanoethyl D.S. of 0.01-0.09, and the aqueous paste of the ether may be acid-hydrolysed to a fluidity of 18-97 cc.  The paste may be applied to the paper as it passes between two rolls, e.g. the nip of a vertical size press.
Patent GB-330014-A (GB)
Title: Imparting a blue colour to leather polish
IPC: C09G1/00
Filed: 1929-03-07
Abstract: 330,014. Dennington, S. H. March 7, 1929. No Patent granted (Sealing fee not paid). Polishing-compositions.-A blue colour is imparted to polishes by incorporating ferric ferrocyanide (Prussian blue) with any or all of animal or vegetable fats or waxes, mineral oil, or mixtures of oils and fats. Reference has been directed by the Comptroller to Specification 16832/86, [Class 76, Leather].
Patent GB-1207632-A (GB)
Title: A starter device in continuous casting plants
IPC: B22D11/08
Filed: 1969-02-12
Abstract: 1,207,632. Continuous casting machines. BOHLER & CO. GEBR. A.G. 12 Feb., 1969 [12 Feb., 1968], No. 7564/69. Heading B3F. A continuous casting plant, having an arcuate casting path and a main roller bed which receives the cast product, is provided with a second roller bed (below the main roller bed) on to which an articulated starter bar is deflected after removal from the cast product. The starter bar 1 is attached to the cast product by its head 3 and passes through a set of withdrawal rollers of which only the last two 6, 7 are shown. The starter bar head 3 is cut away from the cast product before it reaches the rollers 6, 7 leaving a crop-end 4. The chain pitch t of the articulated starter bar 1 is much less than the distance, a between the roller 7 and the first roller 8 of the main roller bed and therefore the starter bar falls on to the rollers 11 of the second roller bed 10. When the whole of the starter bar is on the second roller bed 10, the upper section 12 of the second bed (which pivots about 12a) is lowered by an hydraulic or pneumatic piston and cylinder 13, 14 to allow the cast product to pass on to the rollers 8, 9, 5 of the main roller bed. To replace the starter bar in the mould it is winched up between the rollers 6, 7 which are then reversed.
Patent GB-126146-A (GB)
Title: Improvements in or relating to High Frequency Dynamo-electric Generators.
IPC: H02K19/24
Filed: 1918-05-06
Abstract: 126,146. Marconi's Wireless Telegraph Co., and Shoenberg, I. May 6, 1918. Drawings to Specification. Inductor-alternators; rotary machines.-With a view to utilizing the qth harmonic of a highfrequency inductor or other generator, the ratio of the breadth of the teeth of the rotor to their pitch is made equal to the fraction ¢q multiplied by an odd integer greater than 1. Specification 101,148 is referred to.
Patent GB-274160-A (GB)
Title: Improvements in and relating to electrical inductances
IPC: H01F17/02
Filed: 1926-03-19
Abstract: 274,160. Hesketh, B. March 19, 1926. Inductances.-In electrical inductances of the kind wound on cylindrical formers 1 with integral longitudinal ribs 2, portions 3 of the ribs are turned away at their tops to retain the winding in position leaving unflattened parts of the ribs projecting above, and protecting, the winding and the wall of the former is removed at 4 between the flattened portions 3. The portions 3 may have spaced or spirally pitched indentations or grooves to retain the turns of the winding in spaced positions. The ribs may be triangular, square or semi-circular in cross-section. Two windings 5, 6 may be connected between terminals 7, 10 as described in Specification 268,038 or a single winding may be used. The former may be of moulded ebonite and the portions 4 may be turned away by an internal cutting tool'. The Provisional Specification describes windings comprising a single layer with turns close together or several layers or one or more banks.
Patent GB-493262-A (GB)
Title: Improvements in and relating to liquid-blast electric circuit breakers
IPC: H01H33/92
Filed: 1938-03-11
Abstract: 493,262. Liquid-blast switches. BRITISH THOMSON-HOUSTON CO., Ltd. March 11, 1938, No. 7642. Convention date, March 11, 1937. [Class 38 (v)] A liquid-blast switch comprises a single pressure-confining chamber immersed in liquid, relatively movable contacts biassed to open position in the chamber and arranged to form simultaneously at least one pair of breaks in series, one of the pair being a pressure-producing break and an exhaust port disposed in the casing adjacent the other of the pair, so that the arc pressure is effective to drive liquid through the port to quench the arc thereat and a movable switch member operable in the liquid outside the chamber for controlling the contacts therein and being in series therewith. Opening movement of the switch member causes initially separation of the contacts in the chamber for breaking the circuit and subsequently separation of the switch member from the contacts to form an isolating gap in the liquid. The Figure shows one pole of an oil circuit-breaker provided with a bridging- member 2 co-operating with a pair of main fixed contacts as 15. The cylindrical fibre pressure-chamber 4 carries a sleeve 26 in which is slidable a piston 25 carrying a vented cuplike member 24 in which, in turn, is slidable a thimble 23 on an insulating rod 8. Contact bridges 5, 6, 7 are mounted on the rod 8, and biassed upwardly by means of springs 29 and, in the case of contacts 5, 6, towards an upper stop 27. Contacts 5, 6 bridge fixed contacts 9, 10 and 11, 12, respectively, whereas 7 engages a contact 13 and is connected at 14 to the contact 15, the circuit being completed by conductors 17, 18, 19, of which 18, 19 are covered by insulation 18<1>, 19<1>. A pair of diverging ports is located adjacent each movable contact as shown at 34, 35, 36, and faced with arc-resisting insulating-material, as 34<1>. Contact 15 is biassed by springs 32 so as to have a limited " wipe " at 33 with respect to the rod 8, and is provided with a stop 37. When the member 2 is lowered to open circuit, spring 20 acting on the piston 25 the rod 8 to follow it, so producing the initial breaks between the contacts in chamber 4, and setting up immediately an oil-blast across the contacts adjacent the ports 34, &c. The piston 25 assists the blast when the arc pressure due to moderate currents, is inadequate, but with heavy are-pressures, the sliding connection at 23, 24 and the springs 32 respectively permit the piston 25 to be forced upwards and the rod 8 and contacts 5, 6, 7 to be accelerated downwards and the interruption. Arrest of the stop 37 by the end-closure 30 enables the necessary isolating gap at 2, 15 to be established.
Patent GB-497418-A (GB)
Title: Improved method of preserving rubber
IPC: C08K5/13
Filed: 1937-03-16
Abstract: The deterioration of rubber due to age, and in particular the resistance to flex cracking is increased by the addition to the mix of ethers of polyhydroxy aromatic compounds.  The compounds have the general formula HO-R-O-R1 where R is an aromatic nucleus and R1 is an alkyl group.  The preferred ethers are those in which the alkyl group contains from four to twelve carbon atoms.  The aromatic nucleus may be substituted or unsubstituted. The compounds are prepared by the interaction of an aromatic hydroxy compound such as hydroquinone, pyrogallol, pyrocatechol, phloroglucinol, and hydroxynaphthalenes, phenanthrenes and anthracenes with an alkyl halide containing radicals such as butyl, isobutyl isoamyl, hexyl, heptyl, octyl, nonyl, decyl, undecyl, dodecyl, &c., but the lower members are preferred.  A considerable number of specific ethers are mentioned. The alkyl residue may be substituted by the residue of another polyhydroxyaromatic compound to form a double ether.  An example of such a compound is dihydroxy-diphenyl ethylene glycol.  The alkyl group may also contain a carbonyl grouping such as in the compound <FORM:0497418/IV/1> The alkyl group may also be unsaturated.  Tables are furnished showing the efficiency of the anti-oxidants in a standard rubber mix.  The compounds may be used either alone or in combination with other known anti-oxidants.ALSO:The resistance of rubber to flex cracking is increased by the addition to the mix of ethers of polyhydroxy aromatic compounds. The compounds have the general formula HO-R-O-R1, where R is an aromatic nucleus and R1 is an alkyl group.  The preferred ethers are those in which the alkyl group contains from four to twelve carbon atoms.  The aromatic nucleus may be substituted and the alkyl group may be saturated or unsaturated. A considerable number of specific ethers are mentioned. The alkyl residue may be substituted by the residue of another polyhydroxy aromatic compound to form a double ether.  An example of such a compound is dihydroxy-diphenyl ethylene glycol.  The alkyl group may also contain a carboxyl grouping such as in the compound <FORM:0497418/V/1> Tables are furnished showing the efficiency of the antioxidants in a standard rubber mix.  The compounds may be used either alone or in conjunction with other known anti-oxidants.
Patent GB-993249-A (GB)
Title: Organic silicates
Inventor: EMBLEM HAROLD GARTON
IPC: C07F7/04
Filed: 1961-03-02
Abstract: Orthosilicates of the formula Si(OR)4, wherein R is an araliphatic or aliphatic group are prepared by reacting a vaporous chlorosilane free from organic groups with a liquid alcohol, ROH. Preferred chlorosilanes are trichlorosilane and hexachlorosilane and mixtures of these with silicon tetrachloride. The hydrogen chloride evolved may be reacted with silicon or ferrosilicon to produce more chlorosilane reactant. The examples describe the reaction of (1) a mixture of silicon tetrachloride, hexachlorodisilane and octachlorotrisilane with isopropanol to give isopropyl orthosilicate, (2) trichlorosilane and ethanol to give ethyl orthosilicate and some ethyl polysilicate; and of silicon tetrachloride with (3) isodecanol, (4) methyl cyclohexanol, and (5) benzyl alcohol.
Patent GB-447971-A (GB)
Title: Loudspeaking telephone system
IPC: H04M9/00
Filed: 1935-11-21
Abstract: 447,971. Intercommunication systems; loud-speakers; supporting telephone instruments. LEWIS, T. K., and BALLER, W. G., Baldow, Clapton - in - Gordano, Somerset. Nov. 21, 1936, No. 7837/36. [Class 40 (iv)] In an intercommunication system, connections between a loud-speaking master station Mas and one of the substations A, B employ two speaking circuits each including the transmitter of one station and the receiver of the other, whilst connections between two substations employ only a single speaking circuit including the transmitter and receiver at each station. For a call from A to B, receiver hook H is raised and selector contact LS2 is closed operating at the same time ringing key R to close a calling circuit from battery DC through buzzer Z at station B. When pressure on key R is relaxed, contacts R2, R3 remain closed under the control of the hook-switch and when the called party has removed his receiver, a single series circuit for receiver Rr and transmitter T at each station is completed over contact LS2. For a call from A to Mas selector contact LS1 is closed causing also the operation of key M as well as R. The master station has a key SA for each sub-station, each such key having three positions with contacts closed as shown in Figs. 1a ... 1c. The calling circuit includes identifying lamp SLA and buzzer Z at Mas. In reply, switch SA is moved from normal to speaking position, completing two speaking circuits one including sub-station transmitter T, contacts LS1, SA4, SA2, and loud-speaker Rr, and the other including master-station transmitter T, contacts SA1, SA3, M6 and sub-station receiver Rr. For a call from Mas to A, lamp SL is lit to indicate a call from the master-station and selector contact LS1 must then be closed, operating also M to complete talking circuits as before. The loud-speaker preferably employed, Fig. 2, is of moving-coil type with a permanent magnet 14, and the microphone 18 is mounted by means of a metal strap 19 in the centre of the same aperture in the panel 13, preferably with its mouth pointed slightly upwards and with a cowl 20 to avoid feed-back. Dimensions of transmitters and receivers giving satisfactory results are given in the Specification.
Patent GB-581423-A (GB)
Title: Improvements in radio direction finding systems
IPC: G01S1/02
Filed: 1944-04-27
Abstract: 581,423. Radio direction finding. ECKERSLEY, T. L., and SMITH, S. B. April 27, 1944, No. 7890. Drawings to Specification. [Class 40 (v)] In order to minimise errors in short wave direction finding due to irregularities in the ionospheric layers, the transmitted carrier is frequency modulated through a predetermined range and directional observations are taken at the centre frequencies of a number of subbands of the carrier frequency so that a statistical mean bearing may be obtained. In one arrangement the transmitter is both pulse and frequency modulated so that during each frequency sweep pulses are radiated at say 7, 7.5, 8 and 8.5 Mc/s. An omnidirectional receiver synchronises the time base for a cathode-ray tube indicator on which are displayed the pulse signals from the directional receiver which may comprise an Adcock system and goniometer. The tuning of both receivers is ganged and enables one series of pulses to be selected at a time for a bearing observation. In an alternative arrangement the transmitter is not pulse modulated, the pulses being formed from the frequency modulated transmission by the restricted band width of the receivers.
Patent GB-660910-A (GB)
Title: Process of making insulated electrical conductors
IPC: H01B3/08
Filed: 1949-03-23
Abstract: 660,910. Insulated conductors. DU PONT DE NEMOURS & CO., E. I. March 23,1949 [Sept. 28, 1948], No. 7891/49. Class 36. Insulation for a conductor 1 comprises a wrapped polymeric tape 2 and a wrapping of glass yarn 3, the covered conductor being heated to fuse the tape into a continuous covering. The polymeric tape consists of polytetrafluorethylene or a copolymer containing tetrafluorethylene in substantial amounts. Either the tape or the conductor may first be coated with a suspensoid of polymeric material, and a similar suspensoid may be applied over the glass wrapping. More than one layer of tape or yarn may be applied if desired. The heating is carried out at a temperature of from 621-930‹ F., and the combined effects of the heat and the pressure due to the expansion of the polymeric material cause the fusion of the tape. Specifications 584,851, 593,240, [both in Group IV], 650,399, [Group IV (a)], and 650,654 are referred to.
Patent GB-345082-A (GB)
Title: Improvements in or relating to electric electrode furnaces
IPC: H05B7/085
Filed: 1930-03-11
Abstract: 345,082. Electrode furnaces. BORNAND, E., 112, Route de Florissant, and SCHLEPFFR, H. A., 13, Rue Verdaine, both in Geneva, Switzerland. March 11, 1930, No. 7937. Convention date, March 27, 1929. [Class 39 (iii).] A device for stirring molten metals in an elect r o d e furnace comprises a refractory plunger body surrounding the electrode and adapted to be lowered into the metal bath independently of the electrode. In the construction shown, the plunger body 1 comprises a water-cooled steel sleeve 2 surrounded by a covering 7 of refractory material such as magnesia slaked with sodium silicate or magnesium chloride, the covering being preferably reinforced with iron bars. The sleeve 2, which is adapted to carry a vertically displaceable electrode 3, may be formed with a stuffing-box at its upper end. The lower face of the plunger body is formed with a cavity 8 which, when the plunger body is lowered, entraps a portion of the slag and carries it into the metal bath. In a three-phase furnace, the electrodes may be carried by a single plunger body or each electrode may be equipped with a separate plunger body.
Patent GB-242864-A (GB)
Title: Improvements in suction cylinders, or rolls, of machines for making paper, paper-board, mill-board, and the like
IPC: D21F3/10
Filed: 1925-03-25
Abstract: 242,864. St. Anne's Board Mill Co., Ltd., and Heys, R. B. March 25, 1925. Suction apparatus. - In suction cylinders or rolls having longitudinal channels a<2> draining away to either one or both ends of the cylinder, a gutter or gutters a<3> are provided in each channel to catch any liquid that may be left in the channel after it has passed the suction outlet in the end cover C. The gutters are arranged so that they are inclined towards the outlet at the bottom position of their rotation. The end covers are provided with two discharge outlets c<3>, c<6>. Through the second the liquid caught in the gutters may be drained away by gravity.
Patent GB-1087096-A (GB)
Title: Method of, and apparatus for, manufacturing extremely thin dielectric strips coated with at least one metallic layer
IPC: H01G13/00
Filed: 1965-02-24
Abstract: 1,087,096. Capacitors. COMPAGNIE GENERALE D'ELECTRICITE. Feb. 24, 1965 [March 17, 1964], No. 8052/65. Heading H1M. A di-phenol polycarbonate dielectric film for roll capacitors having a metal electrode layer on one or both faces is produced by depositing a layer of polycarbonate lacquer on a first support strip 2 of polyethylene terephthalate borne on a broader paper strip 1, Fig. 1b, and removing the paper, after which a metallic layer 4 is vacuum deposited in the polycarbonate, offset to leave an uncovered margin. The composite strip is inverted and applied to a paper strip 1<SP>1</SP>, Fig. 1e, and the face of the first supporting strip is covered with a further layer of polycarbonate lacquer 3a extending over its edges to form fillets 3a<SP>1</SP>, Fig. 1f. Removal of the first strip with its lacquer layer for re-use as above leaves a paper strip bearing a lacquer layer attached by fillets 3a<SP>1</SP> with an underlying offset metallic layer 4, Fig. 1h. A further metallic layer 5 oppositely offset to layer 4 is applied to the free surface of the lacquer layer, and during winding, cutting-wheels or blades 6, 7 cut off selvedges longitudinally in alignment with the edges of the metal layers, Fig. 1k, and a lacquer strip offset coated with metal on each side is separated from the paper strip 1a, Fig. 1n, for winding on to a capacitor roll with another similar strip. In production (Fig. 2) the composite strip, Fig. 1k, is drawn from braked roll 52, and passes spaced cutting wheels 56, 56<SP>1</SP> removing the selvedges which are rolled at 55, 55<SP>1</SP> and the strip of paper bearing a lacquer layer with an offset metal coating on each side passes over the roll 59 to mandrel 69 where it is detached from the paper, which is rolled at 62, and is -then rolled on the mandrel into a capacitor with a second identical strip 72 with reversed metal coating offsets; the paper strip 74 thereof being detached at roll 73. In a section of the capacitor (Fig. 3, not shown) adjacent metal layers are offset to the same side of the dielectric lacquer layer and connected to the same capacitor terminal, so that metallic layers adjacently bounding an airgap carry the same voltage, ensuring zero capacitance across each airgap. The metal coating is stated to be laterally divided at longitudinal intervals.