baber/WOPTO huggingface dataset:
Patent GB-425296-A (GB)
Title: High-frequency coil with adjustable inductance value
IPC: H01F17/04
Filed: 1933-06-06
Abstract: 425,296. Inductances. VOGT, H., 69, Steglitzer Strasse, Lichterfelde, Berlin. June 6, 1933, Nos. 16209 and 16210. Convention dates, June 21,1932 and Nov. 28, 1932. [Class 37] A high - frequency inductance unit for broadcast receivers has a magnetic core of particles bound with insulating material and forming a magnetic circuit divided by airgaps which are adjusted, the permeability of the core ranging from 10 to 20. A split annular core mounted on a base-plate by a plastic substance may be employed, or, Fig. 3, the core may consist of two pot-shaped parts 1, 2 housing a multi-layer winding 16, 17 and separated by gaps 7, 8, resilient means being located in the gap 7. The gaps are varied by a screw 6 mounted in the base 4 of a shielding can 3. The Specification as open to inspection under Sect. 91 includes the following. Fig. 3 (Cancelled), shows windings 12, 13 on core parts 17, 18 relatively adjustable. Fig. 6 (Cancelled), shows a coil former 19<a> fixed to an adjustable magnetic bridge-piece 21, the coil former being fixed to the middle leg of core part 20 by cement or wax-like material 11 when the correct adjustment has been made. Fig. 10 (Cancelled), shows pot-shaped core parts 22, 23 adjustable by a screw 27, a bronze spring or rubber insertion 25 being provided. In Fig. 11 (Cancelled), core parts 22, 23 are attached to casing parts 14<a>, 14<b> and the airgap 7 is adjusted by screw-threaded engagement of the casing parts. After final adjustment cement or solder is inserted at 54 to maintain the adjustment. In Fig. 12 (Cancelled), the coil former has an insulating base 28 and the magnetic bridge-piece 29 is fixed in this base while the core part 30 is held in another insulating piece 31 which is adjustable. Fig. 14 (Cancelled) shows the core parts adjusted by springs 41, the adjusting screw having a cover-plate 43. Fig. 15 (Cancelled), shows short and long wave coil units 55, 56, with adjustable casing parts mounted on a bracket for matched tuning. The coils may be superposed vertically in the screening case, for example, in Fig. 16 (Cancelled), where adjustment is effected by a handle moved in inclined slots 65 in the casing, the core parts corresponding to each wavelength ranges being relatively adjusted in position. Terminal members are arranged on insulating strips and large holes in the casing are provided to prevent electrical contact. After matching the units a mixture of colophony and ceresin may be employed to seal the parts in adjusted position. Temperature variations may be compensated by applying heat-proof cements or by selecting materials of suitable temperature coefficients. This subject-matter does not appear in the Specification as accepted.
Patent GB-653767-A (GB)
Title: Manufacture of esters of 1:4-butane-diol
IPC: C07C69/28
Filed: 1948-06-17
Abstract: Di-esters of 1 : 4-butanediol are prepared by heating a mixture of tetrahydrofuran, an organic acid anhydride, pyridine, and sulphuric acid.  The sulphuric acid is preferably added gradually to the boiling reaction mixture, and the following proportions are preferred per mol. of tetrahydrofuran, 1-2 mols. of anhydride, 0.06 to 0.4 mols. of pyridine, and 0.2 to 0.6 mols. of sulphuric acid.  The anhydride may be aliphatic, e.g. propionic, crotonic, lauric, capric, acrylic, cyclohexylacetic, or 2-ethylhexoic, or aromatic, e.g. benzoic, phthalic, and phenylacetic; furoic acid anhydride is also mentioned.  In the examples tetrahydrofuran is reacted with (1) acetic anhydride and (2) lauric anhydride to give the diacetate and dilaurate respectively of 1 : 4-butane-diol.
Patent GB-1005339-A (GB)
Title: Method of catalyzing porous electrodes
IPC: H01M4/88
Filed: 1964-04-20
Abstract: 1,005,339. Fuel cells. UNION CARBIDE CORPORATION. April 20, 1964 [May 6, 1963, No. 16380/64. Heading H1B. A wet-proofed electrode is catalysed by treatment with a salt of cobalt, rhodium, iridium palladium, platinum, silver, gold, ruthenium or osmium, the salt being dissolved in liquid which may include a solvent for the wet-proofing agent, or the solvent may be applied to the electrode before the impregnating step. The term " solvent " is defined as including not only true solvents but also materials which only soften the wet-proofing agent sufficiently to allow the catalysing solution to penetrate the electrode.
Patent GB-1343565-A (GB)
Title: Warp knitting machines
IPC: D04B15/00
Filed: 1972-04-10
Abstract: 1343565 Knitting-machines; needle bars KARL BAYER TEXTILMASCHINENFABRIK GmbH 10 April 1972 [10 April 1971] 16418/72 Heading D1C A warp machine needle bar comprises a resilient plastics member 10 releasably engaged with the cover plate 6 and adjacent the needle receiving part 3. The member carries spaced projections 11 or a longitudinal rib 12 engaging recesses, or a groove, in the cover plate.
Patent GB-1092614-A (GB)
Title: The loading and unloading of articles on to and from vehicle platforms
IPC: B60P1/14
Filed: 1966-04-14
Abstract: 1,092,614. Loading vehicles. UMHLALI FARMERS SERVICES (PROPRIETARY) Ltd. April 14, 1966 [April 15, 1965]. No. 16470/66. Heading B8E. A trailer 14 has a chassis 12 to an edge of which is pivoted a flap 22 to the free edge of which a load platform 10 is pivoted. To load articles 30 such as logs or sugar cane a sling 28 attached to the chassis 12 is passed under the articles around pulleys on a post 16 to a winch 28a. On rotation of the winch the articles are drawn together and into contact with the platform 10 which then pivots about the flap 22 which supports the load on the ground during the movement until the centre of gravity of the load is substantially within the contour of the trailer and the flap then pivots up to lie with the platform 10 in a horizontal plane.
Patent GB-1471864-A (GB)
Title: Fixing devices
IPC: F16B13/06
Filed: 1974-04-09
Abstract: 1471864 Expansion bolts F L HOWARD and D PYCROFT 9 April 1974 [6 April 1973] 16487/73 Heading F2H A fixing device comprises a bolt 10 having a shank 11 and a head 12, a nut 20 threaded on the shank, a rigid sleeve 18 around the shank between the head and the nut, and a deformable sleeve 17 of flexible material around the shank between the rigid sleeve and the head such that tightening of the nut causes axial compression and hence radial expansion of the deformable sleeve 17, the end 19 of the sleeve 18 adjacent sleeve 17 and/or a portion 14 of the shank adjacent the head 12 being tapered and being initially disposed outside the sleeve 17 so that on tightening the nut it enters the adjacent end of the deformable sleeve 17 and radially expands it independently of its radial expansion resulting from axial compression. As shown the tapered portion 14 has indentations 15 and associated ridges to prevent rotation of the sleeve 17 and the sleeve 17 is of a resilient material such as rubber. In other embodiments (such as that shown in Fig. 5) the deformable sleeve is non-resilient but flexible metal tube, e.g. of annealed copper, having a slit end portion adapted to be radially expanded. There may be several such deformable sleeves 23, 24, 25 around the same bolt 110. The device can be used in a blind bore (as in Fig. 5) or in a through bore (as in Fig. 4, not shown).
Patent GB-476059-A (GB)
Title: Detachable table for motor-cars
IPC: B43L3/00
Filed: 1936-06-15
Abstract: 476,059. Tables for mobor - cars. COWEN, W. June 15, 1936, Nos. 16622 and 19391. [Class 52 (iii)] A table .1 adapted to be detachably secured to a motor-car steering-wheel 2 comprises a part 3 adapted to pass between a pair of spokes 4 and extend to the steering column 5 and formed with recesses 6 to interlock with the wheel. The part 3 may have a slot at its rear end partially to embrace the steering column or may have a slidable pin-and-slot connection with an extension piece 8 clamped by a nut to adjust it for different steering- wheels. The front edge of the table is curved and may be secured to the wheel by a spring hook 11. A spring clip 12 on the steering column provides a bearing for the recessed end 10 of the extension 8. The table may be in two or more hinged parts.
Patent GB-167578-A (GB)
Abstract: 167,578. Wilkinson, A. E. May 11, 1920. Vegetable - peeling machines. - The abrasive surface of a potatopeeling machine is formed integrally with the body of the machine during casting. A smooth mould is first made in the usual way and indentations are made in it with a pattern on which projections are formed. In Fig. 4 a door e, having projections c, of a vertical-cylindrical peeling-machine is shown. The abrasive pattern consists of a stiffening block or plate f (shown in dotted lines) to the curved surface of which is attached a stabbed metal sheet or a perforated sheet through which spikes project. The spikes may radiate inwardly through the perforated plate from an intermediate plate to which they are attached. The block f and plates may be provided with handles to facilitate handling, The casting may be chilled by removing it from the mould as soon as the metal solidifies or by any other usual method. The casting may be formed' in sections which are bolted together.
Patent GB-1220264-A (GB)
Title: Improvements in and relating to document feeding apparatus
IPC: G03B27/62
Filed: 1968-04-08
Abstract: 1,220,264. Sheet feeding; control. RICOH, K.K. 8 April, 1968 [14 April, 1967; 27 Dec. 967], No. 16758/68. Heading B8R. A device for automatically feeding master sheets to a copying machine comprises a vertically movable cabinet 4, Fig. 4, having a plurality of equally spaced racks 5 which are horizontally slidable whereby a single master sheet 6 is placed on each rack and the cabinet is moved stepwise so that the individual master sheets 6 are brought consecutively to a feed position, and is characterized in that each rack is provided with a means 18 for presetting the desired number of copies which are to be produced from the master sheet carried by that rack, and the means are coupled with a counter incorporated in the body of the copying machine. A copying machine 1 is fed with master sheets by conveyer belt mechanism 2; in the feeding position, the racks 5 are horizontally slidable, under the action of a thrust lever 15 connected to a piston 14 of an hydraulic cylinder 13, to feed master sheets into the nip of belts 2, and then to return under the action of spring 9. When all the master sheets have been fed into the copying machine, the cabinet 4 is restored to its original top position when a new set of master sheets can be inserted via side openings on to the racks 5.
Patent GB-439881-A (GB)
Title: Improvements in cabinets or stands for sound and vision reproducing apparatus
IPC: G11B31/00
Filed: 1934-06-06
Abstract: 439,881. Cabinets; tables; stands. WILLIAMS, T. E., 41, Rectory Road, Higher Crumpsall, Manchester. June 6, 1934, No. 16770. [Classes 52 (i), 52 (iii), and 52 (v)] A cabinet or table 2 is fitted with one or more standards 11 carrying a box 9, the standard or standards being arranged so as not to obstruct access to the cabinet or table top. The standards may be vertically adjustable and in the case of a single standard it may also be rotatable. The upper part may be formed as a turntable on which the box may rotate. The box may accommodate wireless or television apparatus or a gramophone motor and may be fitted with electric lamps. Reference has been directed by the Comptroller to Specifications 6685/88, 12280/04, [both in Class 52], 12809 /14, [Class 52 (iii)], and 429,062.
Patent GB-1377506-A (GB)
Title: Aminopyridine derivatives
Inventor: DEHNERT JOHANNES DR
IPC: C09B43/00
Filed: 1971-12-17
Abstract: 1377506 Aminopyridines BASF AG 17 Dec 1971 [19 Dec 1970 15 Nov 1971] 16924/74 Divided out of 1377505 Heading C2C Novel compounds of the formula  wherein X is -CN or -CONH 2  and Q<SP>1</SP> is -NRR<SP>1</SP> and Q<SP>2</SP> is Cl or NR<SP>2</SP>R<SP>3</SP> where NR<SP>2</SP>R<SP>3</SP> may independently have any of the values denoted by NRR<SP>1</SP> and either NRR<SP>1</SP> is pyrrolidino, piperidino, morpholino, the S-dioxide of thiomorpholino, piperazino or N<SP>1</SP>-methyl-piperazino or R<SP>1</SP> is H or C 1-8  alkyl optionally substituted by OH, NH 2  or C 1-8  alkoxy or mono- or dialkylamino and R is R<SP>1</SP>, C 1-8  alkyl which may also optionally be substituted by phenyl, phenoxy, optionally esterified carboxy or C 1-10  acyloxy, any of the open chains in the foregoing R groups optionally being interrupted by oxygen, or R is ethyl or propyl substituted in the omega position by an N-atom which is part of a 2-pyrrolidone or morpholine S-oxide ring, or R is allyl, cyclohexyl optionally hydroxy- or acyloxy-substituted, or phenyl optionally substituted by Cl, CN, CH 3 , OCH 3 , CH 3 NHCO, CH 3 OC 2 H 4 NHCO, C 2 H 5 , OC 2 H 5 , 2-hydroxyethyl, 2-hydroxyethoxy or 2-acyloxyethoxy are prepared by reacting 2,6-dichloro-3-cyano-4- methyl pyridine or 2,6-dichloro-4-methylpyridine-(3)-carboxamide (obtained for example by hydrolysis of the 3-cyano compound) in one or two stages with one or more amines NHRR<SP>1</SP> and/or one or more amines NHR<SP>2</SP>R<SP>3</SP>. The cyano group may subsequently be hydrolysed to the carbamoyl group.
Patent GB-240937-A (GB)
Title: Improvements in or relating to adapters, connectors, or the like for lamps, or other appliances using electric current
IPC: F21S4/00
Filed: 1924-07-15
Abstract: 240,937. Jung, A. J. July 15, 1924. Needle-point couplings. - Temporary connection of an electric lamp or other device to any point in a flexible conductor is effected by a block A, to which the leads E E<1> of the lamp are connected, having open recesses A<1> provided with needle points for engagement with the conductors D, D<1>. A boss B adapted to be inserted between the conductors D. D<1> is provided with shoulders B<1> which press the conductors D, D<1> on to the needle points under the action of a spring B<4> on the sliding rod B<2> screwed into the boss B as shown. The needle points may be formed in one with the screws G<1> securing the leads E, E<1>.
Patent GB-1012573-A (GB)
Title: Improvements in or relating to tonometers
IPC: A61B3/16
Filed: 1963-04-30
Abstract: 1,012,573. Tonometers. C. H. BEDWELL. July 30, 1964 [April 30, 1963], No. 16971/63. Heading A5K. In a tonometer comprising a cornea-contact ing plunger which preferably is movable within a sleeve, the plunger or the sleeve are transparent or translucent and a light source for viewing by the patient is provided. The electric lamp 15 is mounted in the tonometer head. The plunger 10 has a flat or concave comea-contacting surface and carries a core 13 which is electromagnetically attached to a coil 14 on the sleeve 11 to apply the required pressure to the plunger under which displacement of the cornea is to be measured. The end of the plunger, which is remote from the cornea in use, may be convex. Preferably the plunger is transparent and has a refractive index equal to that of the cornea.
Patent GB-125022-A (GB)
Title: Improvements in Electric Ignition Apparatus for Internal Combustion Engines.
Inventor: TURNBULL GEORGE ELLIOT
IPC: H01T13/46
Filed: 1918-04-17
Abstract: 125,022. Turnbull, G. E. April 17, 1918. Drawings to Specification, Sparking-plugs. - The insulation consisting of fused quartz is formed in two portions which may be welded together, the outer portion consisting of a tube closely fitting the central rod and the inner portion spaced away from it. The earthed terminals are carried by a ring which is clamped between a shoulder on the casing and the end of the insulation.
Patent GB-617236-A (GB)
Title: Improvements in or relating to devices for attenuating high frequency electromagnetic energy
IPC: H01P1/22
Filed: 1943-10-15
Abstract: 617,236. High - frequency attenuators. SPERRY GYROSCOPE CO., Inc. Oct. 15, 1943, Nos. 17015 and 17016. Convention dates, Feb. 4, 1942, and July 25, 1942. [Class 40 (viii)] An attenuator for high-frequency transmission lines on wave-guide systems comprises a number of sections having lumped shunt admittances or alternatively characteristic admittances which vary from section to section, preferably in proportion to the coefficients of a binomial expansion in order that the impedance of the attenuator may be matched to that of the exterior circuit over a wide range of frequencies and may be symmetrical. It may also be continuously adjustable though of fixed length in an attenuator whose length is fixed. A coaxial line 27, Fig. 1, may be joined to a coaxial attenuator 21, 23, the inner conductors being made shorter than the outer ones for the sake of mechanical protection and joined by an insertion 29 while the outer conductors are joined by a sleeve 31 and the insulating spacers 25, 25 are located #/4 apart in order that electrical disconinuities may not be effective. Attenuation is produced by two shunt resistance elements 33, 35 which may comprise insulating discs coated with a semi-conductor such as carbon, and in order that reflections may not occur they are located #/4 apart at the working frequency. When large attenuation values are required however, the resistances should not be equal, but their admittances Y1, Y2 should be such that Y1, Y2/(Y1-Y2) is equal to the characteristic admittance of the line 21, 23. Mismatching due to small changes of frequency can be reduced by using three shunt resistors with admittances in the ratios 1 : 2 : 1, Fig. 4 (not shown), or larger numbers with admittances proportional to appropriate sets of binomial coefficients. Here again the relations may be departed from when large attenuation values are required. In another embodiment, Fig. 7, the shunt resistors are omitted and the inner conductor is divided into sections of length #/4, #/2, #/4 whose resistances per unit length are proportional to a set of binomial coefficients. In an attenuator whose attenuation is adjustable, Fig. 8, the inner conductor is stepped as shown and is fixed while the outer conductor, also stepped, can be rotated from the position shown in full lines, which gives minimum attenuation, to that shown in dotted lines, which gives maximum attenuation as a result of the close approach of the outer to the inner conductor.
Patent GB-1214596-A (GB)
Title: Improvements in or relating to tap changers of regulating transformers
Inventor: PELZ FRANZ
IPC: H01H9/00
Filed: 1969-04-01
Abstract: 1,214,596. Toothed gearing. E. SCHEUBECK. 1 April, 1969 [5 April, 1968], No. 17020/69. Heading F2Q. [Also in Division H1] In a limit-switch device for cutting off the supply to an electric motor at the limits of movement of a transformer tap changer (see Division H1) mechanical latch devices are provided to disconnect the drive and stop the output shaft in the event that the motor fails to stop. Movement of a screw and nut gear 12, 13, Fig. 1, beyond the positions for operating the motor control switches 14 through levers 2, 7 moves a roller 5 to release latch 16, 17 holding a spring-loaded plunger 25 which operates first through lever 27, 30 to unlatch the housing 31 of a differential reduction gear 32 in the motor drive and then to move a lever 26 into the path of a stop 28 to block further rotation of the output shaft 29.
Patent GB-496970-A (GB)
Title: Improvements in the manufacture and production of dyestuffs of the phthalocyanine series
IPC: C09B47/08
Filed: 1937-06-18
Abstract: Dyes of the phthalocyanine series are made by heating phthalocyanines with organic acid halides.  As accelerators there may be used the halides of iron, aluminium, zinc, arsenic, antimony, phosphorus and copper and also sulphuric acid.  When starting from metal-free phthalocyanines, metal may be introduced into the phthalocyanine nucleus at the same time.  Acid halides specified are acetyl-, chloracetyl-, propionyl-, butyryl-, oxalyl-, benzoyl- and phthalyl chlorides, phthalic acid - 4 - sulphochloride, p-toluenesulphochloride; halides of acids of the naphthalene, anthracene or anthraquinone series, e.g. 1-naphthoyl chloride, naphthalene - 1 - sulphochloride, 1 - naphthol - 2 - carboxylic acid-4-sulphochloride, anthraquinone-1-sulphonic- or carboxylic acid chloride or 1-nitroanthraquinone - 2 - carboxylic acid chloride; halides of heterocyclic acids, e.g. pyridine carboxylic acid chlorides. Diluents may be used such as carbon tetrachloride, tetrachlorethane, di- and trichlorbenzenes, nitrobenzene, pyridine, quinoline or phthalic anhydride, common salt, sodium sulphate, kieselguhr, mixtures of aluminium halides and alkali metal salts or aluminium halide-sulphur dioxide addition compounds.  Green-blue to green products are obtained.  In examples: (1) and (6) metal-free phthalocyanine (cf. Specification 410,814) is heated with benzoyl chloride or p-toluenesulphochloride in nitrobenzene or trichlorbenzene in presence of antimony trichloride; (2), (3), (7), (10) copper phthalocyanine is heated with benzoyl chloride in presence of copper meal with or without nitrobenzene, with a mixture of aluminium and sodium chlorides and 2 : 5-dichlorobenzoyl chloride or phthalyl chloride or 1-anthraquinonesulphochloride or 1-nitroanthraquinone-2-carboxylic acid chloride; (4) and (5) copper phthalocyanine sulphonic acid sodium salt is heated with oxalyl or benzoyl chloride in presence of sodium sulphate. Cobalt, nickel, zinc and aluminium phthalocyanines are also specified as starting materials.
Patent GB-824224-A (GB)
Title: Apparatus for handling continuous strands and the like
Inventor: SLAYTER GAMES
IPC: D02G1/00
Filed: 1955-09-16
Abstract: The apparatus described and claimed in Specification 824,223 is modified by the exclusion of a deflector located in the straight line in which the strand of continuous filaments is moved towards a "looping zone"; the pegs of the "rotary peg-spinner" are limited to having at least their tips converging towards the (spinner) axis and each peg being either rectilinear or bent so as to be convex on its outer side.
Patent GB-360424-A (GB)
Title: Improvements in carrying out reactions under high pressures
IPC: C10G1/06
Filed: 1930-06-04
Abstract: <PICT:0360424/III/1> The products of destructive hydrogenation of carbonaceous materials are condensed under pressure, the condensate is separated from the gases and vapours, and the pressure on the condensate is reduced to atmospheric at a temperature above the normal boiling point range of the lightest products to be recovered and below that of the heavier products.  The vapours released from the condensate may be condensed or subjected to further treatment. The condensate may be heated before, or during, the release of pressure.  The condensation under pressure may be effected in a preheater for the reaction materials.  As shown, a middle oil obtained by low-temperature carbonization of brown coal, together with hydrogen at 200 atmospheres, is preheated in the coils of a condenser D, is further heated to 480 DEG  C. in the preheater B, and is passed through the reaction chamber C containing a zinc oxide and molybdenum oxide catalyst.  The products are cooled to 200 DEG  C. in the condenser D and are partially condensed under the reaction pressure.  Vapours containing up to 85 per cent of benzine are withdrawn at E<1>. Condensat from the catch-pot E, consisting of middle oil with 10-20 per cent boiling below 180 DEG  C., is passed through a reducing valve G into a packed chamber M at atmospheric pressure.  Middle oil is returned from the chamber M to the preheater B by a pump J, and benzine and gas leave the chamber M at 100-150 DEG C. and pass to a condenser K.  The benzine from K may be mixed with that recovered at E<1> to form a motor fuel.