baber/WOPTO huggingface dataset:
Patent GB-1103028-A (GB)
Title: Dyeing preparations for the production of water-insoluble azo dyestuffs on textile material of aromatic polyesters or triacetyl cellulose
IPC: D06P3/56
Filed: 1965-06-16
Abstract: Dyeing preparations for the production of a water-insoluble azo dyestuff on materials made of or containing an aromatic polyester or triacetyl cellulose consist of (a) an arylamide of 2:3 hydroxynaphthoic acid free from sulphonic and carboxylic acid groups, (b) a 4-aminoazo naphthalene (c) a water-soluble condensation product of a 4,4\sv-dihydroxydiphenylmethane and 2-hydroxy-6-sulpho-1-methane sulphonic acid corresponding to the formula <FORM:1103028/D1-D2/1> wherein R is hydrogen or a C1-C4 alkyl group and (d) water. Preferably the preparations contain by weight 10 to 30% of (a), 10 to 30% of (b) and 10 to 20% of (c).  The preparations are doughs or pastes having good storing stability and are easily dispersible in an alkaline bath without using organic solvents. Conventional dyeing methods are used.
Patent GB-518744-A (GB)
Title: Improvements relating to electric fires
IPC: F24C7/00
Filed: 1938-08-31
Abstract: 518,744. Electric fires. BRATT, COLBRAN, Ltd., MASTERMAN, R. H., and BRATT, E. C. Aug. 31, 1938, No. 25479. [Classes 39 (iii) and 126] An electric fire comprises a frame a mounted on legs b and enclosing a refractory base c shaped to resemble a bed of ash and the fireclay sides and back of a solid fuel grate, a hammered metal reflector p mounted at the rear of the base, one or more wire resistances or like heating elements h having metal strips j at their ends adapted to project through holes d in the base c to engage sockets or clips f forming electric connections; and removable pieces m of imitation fuel fitting over resilient supports o to conceal the elements h and give the appearance of a glowing fire. The fuel m may be formed with slits or apertures n to allow the escape of light. The supports o may be secured to the clips k carrying the strips j., A metal shield q at the back of the reflector p is formed with perforations r to allow the circulation of air. If desired the reflector p may be omitted or lamps may be provided to illuminate the fuel when little heat is required.
Patent GB-245874-A (GB)
Title: Improvements in variable resistances
IPC: H01C10/32
Filed: 1924-10-27
Abstract: 245,874. Dubilier Condenser Co. (1921), Ltd., (Deventer, H. R. van). Oct. 27, 1924. Variable resistances. - A variable resistance consists as shown in plan in Fig. 2 of an arc-shaped strip of resistance material 6 such as carboncoated strip of cardboard over which is a resilient metal strip 21 fixed at one end 8 and capable of being depressed by a rotatable arm 28 carrying a button 33 to short-circuit more or less of the resistance strip. A condenser 15 is shunted across the resistance.
Patent GB-216772-A (GB)
IPC: B25D7/00
Filed: 1923-10-15
Abstract: 216,772. General Electric Co., Ltd., (Assignees of Patent Treuhand Ges. fiir Elektrische Gl³hlampen). June 23, 1925, [Convention date]. Arc lamps. - An enclosed arc lamp has two electrodes f, f<1>, preferably of tungsten, mounted on supports e, e' connected to leading-in wires d, d<1>, and an intermediate electrode g of larger diameter not connected to a leading-in wire. The electrode f<1> is normally held against the electrode g by a bimetallic strip i in the support e<1>. The bulb b may contain a filling of rare gas. On the circuit being made, an arc is struck between the electrodes f and g. The electrode f is thereupon withdrawn, striking a second arc between the electrodes f<1> and g. The invention enables a smaller series resistance than is usual to be employed. Bimetallic strips may be mounted in more than one of the carrier stems.
Patent GB-1063883-A (GB)
Title: Improvements in or relating to motor vehicle change-speed gear controls
IPC: B60K20/06
Filed: 1964-06-22
Abstract: 1,063,883. Change-speed gear control. ZAHNRADFABRIK FRIEDRICHSHAFEN A.G. June 22, 1964 [June 26, 1963], No. 25707/64. Heading F2D. A motor-vehicle steering-column-mounted manual gear-shift-lever 3 operates the sliding and turning selector shaft 12 of a changespeed gear through a shift rod 4 mounted parallel to the column to slide and turn on fixed axial pins 5, 6 on the column, the pins carrying roller or ball-bearing mounted spherical bushings 9, that 9 at the lower end directly locating the end 4b of the shift rod, whilst the bushing 9 at the upper end fulcrums the gear lever 3 at its bearing head 3a which head is externally spherical and serves as a bearing guide for the upper end 4a of the shift bar, the gear lever 3 being in driving connection at 10 with the shift bar through a bracket 4d welded thereon. The lower end of the shift bar 4b carries an arm 11 articulated to one end of the selector shaft 12, which shaft 12 carries an integral arm 13 articulated to one end of a link 14 the other end 15 of which is articulated to a fixed point 16 which may be on the column, the arrangement being such that axial and rotary movements of the shift rod 4 are converted into rotary and axial movements of the selector shaft 12 for gear selection and engagement respectively. A similar linkage arrangement is shown in Figs. 3 to 5 which has the advantage that the shift bar (112) effects virtually no pivotal movement in its rotation and may thus pass in close proximity to other installations.
Patent GB-1108372-A (GB)
Title: Improvements in or relating to oscillator arrangements
IPC: H01L47/02
Filed: 1966-06-09
Abstract: 1,108,372. Frequency modulation; Gunn effect oscillators. TELEFUNKEN PATENTVERWERTUNGS G.m.b.H. 9 June, 1966 [12 June, 1965; 12 Aug., 1965; 25 Nov., 1965; 4 Dec., 1965], No. 25786/66. Headings H3R and H3T. [Also in Division H1] A Gunn effect oscillator arrangement comprises a IIIV semi-conductor element which is subjected to a control H.F. oscillation which varies the field strength parallel to the carrier drift velocity above and below the Gunn critical value so that the oscillation frequency is controlled. In the embodiments the H.F. oscillation is superimposed on a D.C. bias voltage applied across a gallium arsenide element and it is shown that by appropriately selecting the relative values of T pr  (the period of the Gunn oscillation of the element) and T s  (period of the control voltage) and the value of the bias voltage relative to the Gunn critical voltage, the arrangement may constitute a synchronized oscillator, or frequency divider, a keyed oscillator or a frequency modulated wave (Fig. 8, not shown). The control frequency (G) (e.g. an amplitude modulated wave) may be applied via a circulator (Z) (Fig. 9, not shown), to the Gunn semi-conductor element (P r ), the third part of the circulator being connected to load (R L ). The effect of the control frequency may be exercised by a resonant circuit coupled to the element instead of a separate high frequency source, the resonant circuit being formed by lumped circuit element or a resonant cavity or strip-line; the element may be mounted on the cavity wall. The reactive components of the tuned circuit may be made variable to influence the Gunn oscillations variations being effected mechanically, thermally or by using electronic reactances. The oscillator may be used to supply the pump frequency in a parametric amplifier.
Patent GB-317245-A (GB)
Title: Improvements relating to the reduction of piston slap in internal combustion engines
IPC: F16J9/06
Filed: 1928-09-07
Abstract: 317,245. Andrews, E. S., (Simplex Piston Ring Co. of America, Inc.). Sept. 7, 1928. pistons, balancing, laterally: packing. - In preventing piston slap by pressing a piston against one side of the cylinder by means of the packing-ring, the wave spring expanding the packing is given the requisite excess pressure in one direction by thickening it at one part B.
Patent GB-732906-A (GB)
Title: Improvements in and relating to the production of alkali metals and their hydroxides
IPC: C25C1/02
Filed: 1951-11-05
Abstract: 732,906. Electrolytic production of alkali metals and their hydroxides. EDIGER, W. VON. Nov. 4, 1952 [Nov. 5, 1951], No. 25812/51. Class 41. Apparatus for electrolytic production of alkali metals or their hydroxides from an aqueous solution of an alkali metal salt includes a partition, screen or barrier comprising a salt of the alkali metal being deposited, adapted to allow passage of metallic ions to the cathode assembly of the electrolysing plant while preventing the passage of water thereto. The production of sodium, potassium and lithium are referred to. The partition may be a thin sheet of a salt, e.g. NaCl or KCl or alternatively, a porous pot or the like in the pores of which, either before the electrolysis or during the early stages of which, a filling of the sodium or potassium salt is provided. The cathode may consist of the metal being produced, preferably molten. Means may be provided for the continuous removal of the metal as it is produced at the cathode; or if the hydroxide is being formed, means to set up a reaction between the metal and water. In this latter case the cathode assembly may include mercury. As shown in Fig. 1, a partition 2 of unglazed ceramic material separates a chamber packed with alkali metal 4 from another chamber containing a saturated salt solution and a carbon block anode 6. The anode chamber has a feed pipe 8 for replenishing the solution and an overflow pipe 9 to maintain the solution at a prearranged level. The cathode chamber is provided with a feed pipe 10 through which kerosene may be added to cover the alkali metal and an outlet 11 for leading off alkali metal to a receptacle 12 where it is also preferably covered by a layer of kerosene. On electrolysis, the pores of the ceramic barrier 2 become clogged with salt from the saturated solution which allows the passage of metallic ions from the solution to the cathode. If desired, the barrier may be pretreated to fill its pores with salt. If sodium or potassium hydroxide is to be produced, the metal initially present is replaced by mercury and the cathode compartment is almost completely occupied by a block of wood which confines the mercury to a thin layer adjacent the ion-pervious partition and a thin layer at the top of the compartment over the block, water covering the block in place of the kerosene. According to another modification a cylindrical vessel closed at one end and formed of unglazed ceramic material is packed with sodium or the like and immersed in a saturated aqueous solution of the salt being electrolysed. An iron rod or like conductive element forms contact with the sodium and it is covered with kerosene. A carbon rod dipping in the electrolyte forms the anode.
Patent GB-697298-A (GB)
Title: Improvements in and relating to pressing irons
IPC: D06F75/32
Filed: 1950-10-24
Abstract: 697,298. Steaming irons. FARMER, W. H., and WALMSLEY, G. E. Oct. 22, 1951. [Oct. 24, 1950] No. 25821/50. Class 138 (ii). An auxiliary soleplate shoe is provided with means Q, S for attachment to a pressing iron and has an internal steam generating channel V which is connected through a small orifice O to a water reservoir C mounted above and at the rear of the soleplate and by a discharge port or ports J to an open recess K in the pressing face, the recess K also being connected by a passage L to a point above the level of water in the reservoir. With this construction, when the soleplate is pressing a piece of fabric, the recess K is partially closed by the fabric and some of the steam flows from the discharge port J, along the recess K to the passage L to apply pressure to the surface of the water in the reservoir which increases the flow of water through the orifice O and hence the amount of steam generated. The amount of steam diverted to the passage L is dependent upon the texture of the fabric, the closer the weave the more steam is diverted and hence more pressure is applied to the reservoir to increase the amount of steam generated. When the soleplate is not in use, only atmospheric pressure is applied to the reservoir and so the amount of steam generated is at a minimum. The soleplate consists of two members A, B, between which a gasket I of asbestos fibre is secured by screws, rivets or the like, the steam generating channel V being a cut-out in the gasket I. The reservoir C has an open end which is secured to the solpelate with an interposed gasket W by a bolt D. Its filling orifice E is positioned below -the top of the reservoir so as to provide an air space and a loosely fitting baffle P is positioned at or slightly above the water level by a shoulder on the bolt D. The soleplate is fixed to a gas or electrically heated iron by the toe cap Q and clamping screws S which are adjustably mounted in trunnions. A heating unit may be provided in the soleplate if desired.
Patent GB-218537-A (GB)
Title: Improvements in or relating to means or devices for securing tiles and the like on the roof and other structures
IPC: E04D1/34
Filed: 1923-10-16
Abstract: 218,537. Dicker, S. G. S., (Baude FrÞres et Cie). Oct. 16, 1923. Roofs. - Means for securing roofing tiles and the like to purlins or other supports comprise a member having one edge bent over to form a clip 1 for the lower end of the tile 10 or the like and its other end 2 bent downwardly, a separately formed bracket 5 being applied to the downwardly extending portion 2 so as to engage the purlin &c. 9. A space is arranged between the free end of the bracket and the underside of the clip for the reception of the upper edge of the adjacent tile 8.
Patent GB-680290-A (GB)
Title: Means for synchronising air-craft engines
Inventor: HARRIS THOMAS ALFRED
IPC: B64D31/12
Filed: 1949-10-10
Abstract: 680,290. Fluid-pressure servomotor-control systems. LUCAS, Ltd., J. Nov. 13, 1950 [Oct. 10, 1949], No. 25931/49. Class 135 [Also in Group XXXV] Jet aircraft engines are synchronised by causing the speed detectors to actuate by-pass valves in the fuel supply system. The fuel supply system for each engine comprises a fuel pump b such as that described in Specification 577,016 in which the angle of the swash plate d is controlled to maintain a predetermined fuel pressure to air pressure ratio by a detector n in known manner. Fuel is fed through a manually controlled throttle q to the burner p. The speed control system (see Group XXXV) actuates an electromagnetic valve 8 to by-pass fuel along pipe 4 back to the supply. When the throttles 10 are not coincident (i.e. for separate control of the engines) contacts 11 disconnect the synchronising system. In an alternative fuel supply arrangement the fuel pump may additionally be controlled by the pressure of air supplied to the engine by a blower, in which case the speed controlled magnet valves by - pass the air supply line to synchronise the engines, Fig. 2 (not shown).
Patent GB-962458-A (GB)
Title: Bonded non-woven fibrous products and methods of making them
IPC: D04H1/64
Filed: 1960-07-26
Abstract: 962,458. Laminates. ROHM & HAAS CO. July 26, 1960 [July 27, 1959], No. 25988/60. Heading B5N. [Also in Division D1] Non-woven fibrous products (see Division D1) are laminated with paper, textile fabrics, leather, or metal foils, e.g. aluminium, on one or both surfaces. The fibrous products comprise natural or synthetic fibres bound by a composition comprising N-methylolacrylamide and/or N-methylolmethacrylamide and at least one ester of acrylic or methacrylic acid with a C 1 -C 4  alkanol, with or without one or more monomers having a group coreactive with the N-methylol group. Many examples of the binder are given, and the binder may include thermosetting resin condensates, e.g. an aminoplast or a polyepoxide. Specification 962,459 is referred to.
Patent GB-460883-A (GB)
Title: Improvements in or relating to navigation aiding radio systems
IPC: G01S1/02
Filed: 1936-09-24
Abstract: 460,883. Directive wireless signalling. TELEFUNKEN GES. FUR DRAHTLOSE TELEGRAPHIE. Sept. 24, 1936, No. 25994. Convention date, Sept. 24, 1935. [Class 40 (v)] In radio-navigational systems, where a guiding-line, such as L in Fig. 1, is formed by the overlapping part of two beams B1, B2, secondary lobes of radiation, such as b1, b2 and B1, B2 produce " false " equi-signal lines, such as NL1, NL2. According to the invention the latter are distinguished from the true guiding-line L by the radiation of supplementary signals over the area marked SW1, SW2. In Fig. 2, where a desired course is indicated by the angular sector between two guidelines " L1, L2, similar " false indications are distinguished by means of supplementary signals W1, W2. The warning signals may be given by an additional transmitter radiating a cardioid field, arranged so that either its minimum or maximum coincides with the correct route ; or a directional aerial of the " fir-tree type may be used; or a rotating- beam transmitter is interrupted either when passing over the true or " false " lines ; or an auxiliary aerial may be placed in the path of the main transmitter ; or discharge-tube modulators may be used to give the desired indication.
Patent GB-1213735-A (GB)
Title: Improvements concerning pile driving
IPC: E02D13/10
Filed: 1968-05-31
Abstract: 1,213,735. Pile driving. WACKER-WERKE K.G. 31 May, 1968 [2 June, 1967], No. 26079/ 68. Heading E1H. An adaptor for attachment to a manually controlled, quick striking tamping appliance 1 in the place of its tamping plate to convert the appliance into a pile driver comprises a hammer 2 axially slidable (e.g. by means of pins 4 sliding in journals 3) relative to a member 5 in which is axially slidable a pin 6 integral with an attachment 10 for a pile. Springs 8, 9 may be provided to return the pin 6 to a datum position relative to the member 5 after being struck by the hammer 2. The member 5 may alternatively comprise a piston slidable in a cylinder depending from the hammer 2 the cylinder having an axial slot engageable by a key (11) Fig. 2 (not shown) on the piston. The shape of the attachment 10 varies with the form of the pile to be driven.
Patent GB-293606-A (GB)
Title: Improvements in and relating to brake mechanism
IPC: B66D5/00
Filed: 1927-10-03
Abstract: 293,606. Black, G. J. F. Oct. 3, 1927. Actuated by springs.-In brake mechanism for winding engines which is actuated by toggle-link mechanism d and powerful springs b having a relatively small working travel, the toggle mechanism is held so that the brake is off bv a catch e which is released by the overwind prevention gear, or other safety device, through the link f, bell-crank lever g, and link h. In a modification the brake may be maintained in the off position by the engagement of a projection on one rod c with a recess in the other. The parts are prevented from accidental disengagement bv bracelet springs, clips, &c., and are disengaged when the brake is to be applied by a lever.
Patent GB-653158-A (GB)
Title: Improvements in or relating to motor-assisted bicycles and the like
IPC: B62M7/10
Filed: 1948-10-07
Abstract: 653,158. Motor attachments for cycles. LATTA, J. Oct. 7, 1948, No. 26197. [Classes 79 (ii) and 79 (iii)] [Also in Group XXIV] In a motor-assisted bicycle the tyre of a road wheel is driven from the motor by means of a roller formed of at least two cylindrical driving surfaces of different diameters with a short intermediate coned portion between adjacent driving surfaces, the roller being capable of substantially axial movements to bring a driving surface of a different diameter into contact with the tyre to vary the speed ratio between the motor and wheel and the coned portion being brought into contact with the tyre during such movement to cause the speed variation to be effected gradually. As shown the motor 1 is mounted on an arm 3 which is connected by a bracket 2c with a similar arm 3. The bracket carries the friction driving roller as a continuation of the main shaft of the motor and can be engaged with the tyre 4 of the front wheel of the bicycle 5. Alternatively the motor can drive the rear wheel. The roller is formed of the cylindrical portions 2, 2a interconnected by the coned portion 2b. Alternatively the roller can be formed of a larger number of cylindrical portions. The arms 3 are carried on rods 6 along which they are displacable by means of a double Bowden cable 10 operated by a hand lever secured to the handlebars of the bicycle in order to move the motor and roller along an axis substantially parallel to the wheel axle, thus bringing different portions of the roller into contact with the tyre 4 to vary the speed ratio, the rods 6 being carried by brackets 7 secured to the wheel forks 8. The arms 3 are each connected by a spring 12 to a bracket 13 on the wheel fork or to the wheel axle in order to urge the roller into contact with the tyre. The springs 12 are arranged so that they can be released when the motor is not required for use, the arms 3 being then pivoted about the rods 6 into a position in which the roller is not in contact with the tyre. In a modification the roller can be moved across the tyre by sliding it along a keyed driving shaft, the motor being secured in a stationary position relative to the bicycle frame.
Patent GB-1487537-A (GB)
Title: Dehydration of oils
IPC: C10G33/00
Filed: 1976-06-03
Abstract: 1487537 Dehydration of oils MIDLANDYORKSHIRE HOLDINGS Ltd 3 June 1976 [20 June 1975] 26242/75 Heading C5E Oil of high boiling point, i.e. above 200‹ C., and that has water physically combined with it, is dehydrated by heating it in a vessel having an outlet flue and causing air to flow over the oil, entrain water vapour and carry this up and out of the flue. The oil, which is preferably a creosote, may be heated in the vessel at from 60‹ to 170‹ C. The air and the flue may also be heated. Natural convection up the flue preferably causes the air flow, the rate of convection being controlled if desired by the use of an adjustable damper.
Patent GB-758169-A (GB)
Title: Improvements in or relating to radar systems
Inventor: PLAISTOWE DONALD LEOPOLD
IPC: G01S7/282
Filed: 1954-09-10
Abstract: 758,169. Waveguides. MARCONI'S WIRE. LESS TELEGRAPH CO., Ltd. July 6, 1955 [Sept. 10, 1954], No. 26262/54. Class 40 (8). [Also in Group XL (c)] A waveguide switch arrangement for feeding high-frequency energy to one or other of two outputs consists of two waveguide arms CR1 and CR2 bridged at each end by a hybrid T- junction as shown. Energy may be applied at 1MT1 and directed out either at 1MTO or 2MTO. 2MT is a balance arm. A piece of ferrite is supported in air-permeable material in arm CR2 at a position in which it is affected by the magnetic flux produced on the energization of coils OC. A balancing piece of ferrite and permanent magnetic circuit is associated with arm CR1. When coils OC are not energized energy from both arms reaches the output hybrid T in phase and is fed out at 1MTO. Energization of the coils is arranged to cause energy to arrive at the output hybrid T in phase opposition and be fed out of arm 2MTO.
Patent GB-599951-A (GB)
Title: Improvements in or relating to sliding clasp fasteners
IPC: A44B19/04
Filed: 1945-10-09
Abstract: 599,951. Sliding-clasp fasteners. SUTTON. F. P.. and LIGHTNING FASTENERS. Ltd. Oct. 9, 1945, No. 26287. [Class 44] In a sliding-clasp fastener, the interlocking head of each fastener element comprises four projections A, B, C, D and four recesses P, Q, R. S, the projections being disposed in two pairs, one pair, A, C, on the back and one pair B, D on the front, the respective projections on each pair being aligned and facing in opposite directions, and the recesses being similarly disposed in pairs between the corresponding projections and the stringer tape, with a substantially plain flat portion E, F of the fastener element intermediate the front and back thereof constituting in part a key and in part a key-way adapted to prevent transverse disengagement. The elements are symmetrical about two central planes X-X<1>, Y-Y<1> at right angles. The projections and recesses are in part at least curvilinear, and the key-ways are slightly wider than the key parts so as to permit slight flexibility of the fastener when closed.