baber/WOPTO huggingface dataset:
Patent GB-239856-A (GB)
Title: Improvements in or relating to wireless signalling
IPC: H03B5/10
Filed: 1925-09-09
Abstract: 239,856. Soc. Franþaise Radio-Electrique. Sept. 10, 1924, [Convention date]. Transmitting systems and apparatus; oscillation generators.-In order to maintain a constant radiation frequency from any generator in which the frequency transmitted depends on the electrical characteristics of a reaction circuit, the main oscillator is coupled to an auxiliary source of standardized frequency and the resulting beat wave is rectified and utilized to saturate an iron-cored inductance, or other variable impedance, contained in the main oscillatory circuit. As shown in Fig. 1, a source of standard frequency 5 is coupled to the main oscillatory circuit 1, 2, 3, and the resultant beat frequency is rectified by a valve 11. This intermediate frequency is then applied to the slightly detuned input 13 of a second detector 15, and the rectified plate output is caused to saturate the iron core of transformers 3, 4 the secondary windings of which are contained in the main circuit. Any alteration in the main frequency affects the beat frequency, and thereby changes the effective impedance of the windings 3, thus acting automatically to stabilize the circuit 1, 2, 3. Fig. 2 shows a modified arrangement in which the plate of the second detector 17<1> is connected to a shunt circuit 14<1>, 15<1> tuned to the actual beat frequency, and in which there is no separate source of high tension. The secondary windings 3<1> of the variable impedance devices are included in the main oscillatory circuit, as before. Signalling is effected by means of a key 8 which short circuits a part 6 of the total inductance 6, 7 in the output circuit of the standardized oscillation generator 5.
Patent GB-328511-A (GB)
Title: Improvements in clips for labels
IPC: B61D49/00
Filed: 1929-07-23
Abstract: 328,511. Sims & Sons, Ltd., S., Sims, W. H., and Sims, R. S. C. July 23, 1929. Clips, pivoted-jaw.-Clips for securing labels &c. on railway wagons have the lower portions of the side arms b of the pivoted wire frame strengthened by channel members a. The side arms, or as shown, the lower ends e of members a may be extended below the inturned pivot portions c of the frame on which are mounted the usual springs f, the portions e contacting with the face of the wagon, or of a back plate, not shown, to limit outward movement of the frame and the arms b of the frame may be cranked inwardly at h to facilitate gripping of the label &c. by the upper portion of the frame.
Patent GB-1039259-A (GB)
Title: Photoconductive layer and method of making the same
Inventor: SAITO EIHACHI
IPC: H01L21/58
Filed: 1965-05-27
Abstract: 1,039,259. Photoconductive devices; television pick-up tubes. SONY CORPORATION. May 27, 1965, No. 22567/65. Headings H1D and H1K. A target for a television camera comprises a transparent base carrying a transparent electrode layer and a layer of continuous photoconductive material having minute cavities distributed therethrough; the photoconductive layer is deposited by a process in which the base is rotated about an axis substantially perpendicular to the face to which the layer is to be applied and evaporated photoconductive material (such as an oxysulphide of antimony) is projected at the base at an acute angle to the axis. Deposition takes place under substantially vacuum conditions and the base is preheated to a temperature between 50‹ and 200‹ C.
Patent GB-163619-A (GB)
Title: Dispensing machines
IPC: A47K5/12
Filed: 1920-07-29
Abstract: 163,619. Little, R. H. July 29, 1920. Piston apparatus for discharging receptacles. -Soap or other substance is ejected from a receptacle 1 by forcing the receptacle down over the end of a nozzle 8. For this purpose a bolt 6 turned by hand engages a tapped bore in a bar 7 and presses the receptacle down by means of a flange 10<1>. The receptacle when emptied may be refilled or a fresh one substituted.
Patent GB-964832-A (GB)
Title: Improvements in or relating to magnetic recording and/or playback apparatus
IPC: H04N5/52
Filed: 1962-06-12
Abstract: 964,832. Recording and editing magnetic television tapes. PHILIPS ELECTRICAL INDUSTRIES Ltd. June 12,1962 [June 15,1961],No. 22613/62. Heading G5R. The sound head 12 in a helical-wrap type apparatus is mounted on one of the guide drums 13 so that the distance 18 between the sound associated with the frame recorded on the track 14 is spaced in time,as measured by the tape-speed, by not more than one frame. An oblique cut along the direction 14 in the tape editing will therefore substantially associate sound and picture at a splice. To avoid sharp-pointed ends on the cut tapes, a Z-form cut 8, Fig. 2, is made, and provided the sound 9, associated with the video track 19 is within the region 6,there will be a loss of only some 7% of the video signal at one end of the frame for 0.1 sec., which is unnoticeable in practice.
Patent GB-169872-A (GB)
Title: Improvements in or relating to means for closing the collapsible gates of lifts
IPC: B66B13/10
Filed: 1920-07-30
Abstract: 169,872. Harvey, E. N. July 30, 1920. Lift doors, operating.-The fixed picket f of a collapsable lift gate is not at the end, but is preferably one or next but one to the end picket g. The gate is closed by the engagement of one of the cams k, m with a roller mounted on the end picket g.
Patent GB-791847-A (GB)
Title: Novel hydroxamic acid derivatives and a process for the manufacture and conversion thereof
IPC: C07D261/04
Filed: 1956-07-23
Abstract: The invention comprises a -halogenoacetamido-b -chloro-propiohydroxamic acids, and their preparation by acylating a -amino-b -chloro-propionic acid with an acylating agent containing as its effective acyl radical the acyl radical of a halogenated acetic acid containing up to 3 halogen atoms, treating the resulting a  - halogenoacetamido - b  - chloro - propionic acid with a halogenating agent to give the corresponding acid halide and reacting this with hydroxylamine. These processes may be combined with the further steps of cyclizing the hydroxamic acid products and hydrolysing the resulting 4 - halogenoacetamido - isoxazolidone(3) to give 4-amino-isoxazolidone-(3).  The acylation is advantageously effected using an anhydride in absence of a solvent, with heating, but the free halogenated acetic acid may also be used.  The halogenating agent is preferably phosphorus pentachloride, used in acetyl chloride or diethyl ether.  The reaction with hydroxylamine is advantageously effected in water or an organic solvent and the hydroxamic acid derivative may be purified by conversion into its copper salt and liberation therefrom by treatment with hydrogen sulphide or dilute sulphuric acid.  The cyclizing step is effected with a weakly basic agent, e.g. aqueous alkali bicarbonate at 20 DEG  to 50 DEG  C., and the 4-halogeno-acetamido-isoxazolidone-(3) in the resulting solution may be directly hydrolysed, e.g. with dilute aqueous solutions of alkali-metal hydroxides or ammonia, without isolation thereof. The 4 - amino - isoxazolindone - (3) may be purified by absorbtion on a cationexchange material with subsequent elution with ammonia solution from which it is reprecipitated by addition of, for example, alcohol. In an example, a -amino-b -chloro-propionic acid and trifluoro-acetic anhydride give a  - trifluoro - acetamido - b  - chloropropionic acid, this with PCl5 gives the acid chloride, this with hydroxylamine gives a -trifluoroacetamido-b  - chloro - propiohydroxamic acid, purified via its copper salt, and the free acid is then warmed with sodium bicarbonate solution, ammonia is added and the solution on standing, concentration and purification through an "Amberlite" (Registered Trade Mark) cation exchange column yields finally 4-amino-isoxazolidone-(3).  Other halogenated acetyl radicals referred to are chloro-, trichloro-, dibromo-, bromo-, fluoro- and difluoro-acetyl radicals and reference is also made to the use of the optical antipodes of a -amino-b -chloro-propionic acid in the process of the invention.
Patent GB-1034499-A (GB)
Title: Propynyl-n-phenyl carbamates
IPC: C07C271/06
Filed: 1965-05-28
Abstract: The invention comprises compounds of formula <FORM:1034499/C2/1> wherein x and y are 0 or 1, at least one of x and y being other than 0, and their preparation by reaction of the corresponding substituted phenyl isocyanate with propargyl alcohol.ALSO:Compositions having insecticidal, acaricidal and ovicidal activity comprise a compound of formula <FORM:1034499/A5-A6/1> wherein x and y are 0 or 1, one of x and y being other than 0, in combination with a solid or liquid carrier.  Formulations specified are powders, pastes, granulates, solutions, suspensions and emulsions.
Patent GB-461501-A (GB)
Title: Improvements in and relating to prismatic boxes with lids
IPC: B65D5/64
Filed: 1935-08-13
Abstract: 461,501. Boxes. TRIGGS, W. W. (Kunstanstalt Etzold & Kiessling Akt.-Ges.) Aug. 13, 1935, No. 22778. Addition to 430,788. [Class 18] The box described in the parent Specification is divided into compartments by a partitioning strip, held in the box under the bent-over flaps p by limbs hinged to the middle part of the strip, a separate lid k, which is prevented from sliding beyond its extreme positions, being provided for each compartment. The strip consists of a longitudinally folded middle part m, and is secured by limbs folded at right-angles to the part m and bearing against the box walls. Each compartment is covered by a lid formed by placing a piece of padding (e.g. corrugated cardboard) on the middle part of a blank and folding over in turn, and sticking together flaps e and d hinged to the inner and outer edges of the middle part, respectively. The flap d of one lid may have an extension g. Looking pieces f prevent the lids sliding right off. Extensions s on the inturned box flaps p engage the outer angles r of the lid slits q, formed by the free longitudinal edges of flap d to ensure the lids being pushed in only as far as is necessary.
Patent GB-689447-A (GB)
Title: Arsenical compounds and their preparation
IPC: C07F9/74
Filed: 1951-10-03
Abstract: The invention comprises 2-amino-4-sulphonamidophenylarsonic acid and its sodium salt, and a process for the preparation of the above compound by reducing the corresponding 2-nitro compound with ferrous hydroxide, with hydrogen in the presence of active nickel, or with glucose in aqueous alkaline medium.  The sodium salt may be prepared by treating the arsonic acid with caustic soda.  The ferrous hydroxide used in the reduction step may be formed in situ from a ferrous salt, e.g. ferrous sulphate.  A number of examples are given. 2 - Nitro - 4 - sulphonamido - phenylarsonic acid is prepared by the Bart reaction from 3-nitro-4-amino-benzenesulphonamide by reacting its diazonium salt with sodium arsenite and copper sulphate.  3 - Nitro - 4 - chloro - benzenesulphochloride is prepared by the reaction of o-nitro-chlorobenzene and chlorosulphonic acid and is converted to:-  3 - Nitro - 4 - chloro - benzenesulphonamide by treatment with ammonia at ordinary temperature and pressure, and is converted to:-  3 - Nitro - 4 - aminobenzene - sulphonamide by heating with ammonia in a sealed vessel.
Patent GB-713917-A (GB)
Title: Improvements in or relating to photographic diazotype processes
IPC: G03C1/54
Filed: 1952-09-12
Abstract: 713,917. Photographic diazotype process. CHEMISCHE FABRIEK L. VAN DER GRINTEN, N. V. Sept. 12, 1952 [Sept. 19, 1951], No. 23023/52. Class 98(2) A process analogous to that of Specification 708,151 including production of diazotype copies of continuous tone gradation, comprises selectively exposing a similar " diazo film layer " containing a p-tertiary-amino-benzene diazo compound the amino group of which is substituted by radicles which contain together at least 7 carbon atoms, and which yields a similar active photochemical decomposition product, and developing with a developer containing a coupling component of formula where X is a hydroxyl group or a carboxylic acid amide group in which the amide radicle may be substituted otherwise than by an aromatic radicle. With this coupling component an intermediate treatment of Specification 708,151 consisting of rendering the layer alkaline before development is avoided. In eight specific examples the diazo compound is the zinc chloride double salt of pdiazo - di - normal - hexylaniline or p-diazo-ethylbenzylaniline and couplers used are beta-hydroxynaphthoic-acid-carboxymethylamide or the corresponding hydroxyethylamide or monoethanolamide, or 2:3-dihydroxynaphthalene; development being usually effected by thin layer technique with sodium or potassium carbonate to provide alkalinity. Other sensitizing compound specified are the p-diazo derivatives of n-propyl-n-butylaniline, din-butylaniline, di-n-amylaniline and n-amyl-nhexylaniline. Resorcinol-monoacetate or monomethylether may be added to the developer. Specification 698,027 also is referred to.
Patent GB-170964-A (GB)
Title: Process for the production of high percentage sulphite cellulose
IPC: D21C3/26
Filed: 1920-08-04
Abstract: 170,964. Bronnert, E. Aug. 4, 1920. Pulp, preparation of.-Wood is cleaned, split into small pieces, and treated with dilute sulphuric acid under pressure, drained, and neutralized. The wood lignine is thus decomposed and is subsequently dissolved by boiling in known manner with calcium or magnesium-calcium bisulphite under pressure, yielding a nearly pure alpha-cellulose particularly suitable for making pure viscose and cellulose acetate.
Patent GB-872183-A (GB)
Title: Valve gear for internal combustion engines
IPC: F01L1/22
Filed: 1959-07-06
Abstract: 872,183. Valve gears. FORD MOTOR CO. Ltd. July 6, 1959 [July 7, 1958], No. 23136/59. Addition to 829,737. Class 7(6). The subject-matter comprises a valve rocker similar to that of the parent Specification but the conditions of operation are defined for rotation of the rocker arm in the first and fourth quadrants of a co-ordinate system having the centre of oscillation of the rocker arm as origin and the ordinate parallel with the axis of the valve stem. The rotation in the first quadrant produces a clearance in the valve gear and that in the fourth quadrant a lengthening of the valve gear and the conditions are so arranged that over a complete cycle of operation in both quadrants there is a nett clearance which is taken up by rotation of the eccentric in the rocker arm by its spring. In a modification, Fig. 16, the eccentric operating spring 116 acts upon an extension arm 127 of the eccentric and in Fig. 18 the recess 21 in the rocker in which the eccentric is seated has a smaller radius of curvature than the part 23 of the eccentric to produce live contact between the parts 21, 23.
Patent GB-807044-A (GB)
Title: Improvements in or relating to core for foundry purposes and process for producing the same
IPC: B22C1/22
Filed: 1955-08-11
Abstract: 807,044. Core-materials. CORN PRODUCTS REFINING CO. Aug. 11, 1955 [May 23, 1955], No. 23175/55. Class 83 (1). A binder for a sand-core comprises a cereal binder, a sugar, water sufficient to mull the mixture, and an inorganic adjunct selected from the group consisting of hydrochloric acid, sodium chloride, a mixture of paraformaldehyde and ammonium chloride, a mixture of paraformaldehyde and hydrochloric acid, and boric acid, but excludes a vegetable-gum. Specifications 332,680, [Class 2 (ii)], 515,470 and U.S.A. Specification 2,215,825 are referred to.
Patent GB-651362-A (GB)
Title: Improvements in or relating to guard rails
IPC: E01F13/00
Filed: 1948-09-03
Abstract: 651,362. Rod connections. GOWSHALL, B. Sept. 3, 1948, No. 23233. [Class 99(i)] [Also in Groups I and X] A horizontal elliptical, tubular member 7 of a guard rail is connected to its vertical support 1 by bolting or riveting it to a U-shaped socket 4 which is welded to a flat surface on the support 1. The support may be of square section, and at corners of the rail it may be of triangular or polygonal section. It may be tubular or solid and may have two flat surfaces joined by curved surfaces. A slight clearance 14 is provided between the member 7 and the socket to allow the member to be inclined. The members 7 may be curved inwardly or outwardly in a horizontal plane. Several sockets 4 may be welded to one upright at different levels.
Patent GB-822213-A (GB)
Title: Improvements in and relating to vertical planing machines or similar machine tools
Inventor: SZABADITS ODON
IPC: B23D7/00
Filed: 1957-07-23
Abstract: 822,213. Machine-tool details; planing. SZERSZAMGEPFEJLESZTO INTEZET. July 23, 1957, No. 23252/57. Class 83 (3). A vertical planing or similar machine comprises a common shaft 1 for the forward feed of a longitudinal slide 10, a transverse slide 16 and a rotary table 38, a coupling 5 movable to connect either of the slides to the shaft and a second coupling 24 movable to connect the table to the shaft only when the first coupling is in a neutral position. When the table drive clutch 24 is connected to the clutch 25 by movement of a lever 18, the table is rotated through gears 29-34 and 36 and, when a clutch 41 is engaged with a clutch 27a, the table can be indexed by a crank 42 associated with a dividing head 43. A locking-pin 19 prevents movement of the lever 18 except when the clutch 5 has been placed in the neutral position by a lever 2. When any one part is being moved by power, hand adjustment of the other two parts is possible. The worm 36 can be swung out of engagement with the table 38 by a lever 35. This frees a locking-bolt 52 to allow an indexing plunger 44 to be moved into engagement with the table 38. The table can then be turned by hand to index it in co-operation with movement of the plunger 44 by a lever 46.
Patent GB-952503-A (GB)
Title: A locking device for lift means such as lift cords and lift tapes of a venetian blind, a curtain or the like
IPC: E06B9/324
Filed: 1961-06-27
Abstract: 952,503. Clamps. HUNTER DOUGLAS INTERNATIONAL (QUEBEC) Ltd. June 27, 1961 [July 4, 1960], No. 23258/61. Heading E2B. A locking device for cords 8 of blinds and the like comprises a housing a pivoted locking member 11 Figs. 1 and 3 and a guide roller 7 for the cords, the locking member 11 cooperating with a wall and having a slot 13 therein which is formed along an edge thereof with a lip 16 pointing towards the wall, with which the locking member co-operates. As shown in Fig. 3 the locking member co-operates with a movable bolt 12 (pivoted about the pivotal axis of the member 11. In another arrangement, Fig. 6 the locking member cooperates directly with a wall 20 of housing. Specification 952,504 is referred to.
Patent GB-290487-A (GB)
Title: Corrosion resistant ferrous alloy
IPC: C22C38/16
Filed: 1927-09-05
Abstract: 290,487. Hay, J., T. Sept. 5, 1927. Drawings to Specification. No Patent granted (Sealing fee not paid). Alloys.-Corrosion-resisting iron alloys contain 0.2-0.5 per cent of copper, up to about 0.2 per cent of molybdenum, and less than 0.2 per cent of carbon, the total contents of carbon, mauganese, silicon, sulphur, and phosphorus being not more than 0.25 per cent.
Patent GB-1322626-A (GB)
Title: Portable lifting gear for bulky and heavy goods and loads such as containers and bridge sections
IPC: B66C19/00
Filed: 1971-04-19
Abstract: 1322626 Portable lifting gear JOSEF HAAMANN FREUDENBERGER WINDENUND HEBEZEUGFABRIK 19 April 1971 [7 March 1970] 23332/71 Headings B8B and B8H Portable lifting gear, for bulky and heavy goods and loads such as containers and bridge sections, comprises two gantries, each with two legs 1 and a cross-beam 2, and joined by longitudinal girder systems 3, 4. Two cylinders 8 are universally jointed at 21 to each cross-beam 2 and, as shown, engage a container 10 at its lower four corners through piston-rod ends 82. The piston-rods 81 may be jointly operated from a central control panel, or individually operated by respective valves 78. Wheels 9, shown retracted, may be extended for moving the gear without a load, being driven by hydraulic motors 73. In a modification, Fig. 4 (not shown), the legs 1 and the cross-beams 2 are telescopic, the cylinders 8 being utilized to extend and retract the legs 1 from and to the transport position.
Patent GB-1144966-A (GB)
Title: Reactive dyes containing sulphone-substituted cycloalkane rings
Inventor: BRACHEL HANSWILLI VON
IPC: C09B62/507
Filed: 1967-05-19
Abstract: 1,144,966. 1,4-Endomethylene-cyclohexane derivatives. CASSELLA FARBWERKE MAINKUR A.G. 19 May, 1967 [21 May, 1966], No. 23453/67. Heading C2C. [Also in Division C4] 4 - (# - Chloroethylsulphonyl)- 2,5 - endomethylene - cyclohexane - 1 - carboxylic acid chloride is prepared by reacting 1,4-endomethylene-cyclohex-2-ene-6-carboxylic acid with #- mercapto-ethanol in the presence of azoisobutyronitrile, oxidizing the resultant mixture with hydrogen peroxide and sodium tungstate to yield 4 (#-hydroxyethylsulphonyl)-2,5-endomethylenecyclohexane-1-carboxylic acid and treating this with thionyl chloride.
Patent GB-1086459-A (GB)
Title: Circuit arrangement for electric timepieces comprising mechanical oscillators
IPC: H03B5/12
Filed: 1965-06-02
Abstract: 1,086,459. Clocks and watches. INTERNATIONAL STANDARD ELECTRIC CORPORATION. June 2, 1965 [June 3, 1964], No.23484/65. Heading G3T. [Also in Division H3] A timepiece driving arrangement comprises an elastic vibrator such as a tuning fork (not shown), maintained by the transistor circuit through a coil L co-operating with a permanent magnet. The coil is connected as the load resistance of a transistor T1 the collector of which is connected to the base of a second transistor T2. The emitter of the second transistor is connected directly to the emitter of the first transistor, whereby a positive feedback voltage is provided and negative output impedance is generated. The coil L is arranged between the collector of T1 and the + re pole UV of the supply voltage. Both emitters are connected to the - re pole of the supply through a resistor R shunted by a capacitor C. In modifications, Figs. 5, 6, and 7 (not shown) additional capacitors and resistors are incorporated in order to shift the operating points of the transistors.
Patent GB-533642-A (GB)
Title: Improvements in or relating to dual wheel assemblies for vehicles
IPC: B60B11/02
Filed: 1939-08-16
Abstract: 533,642. Motor vehicle driving arrangement. DIFFERENTIAL WHEEL CORPORATION. Aug. 16, 1939, No. 23624. Convention date, Sept. 13, 1938. [Class 79 (ii)] [Also in Group XXXIV] Independently rotatable dual wheels for vehicles are connected together by a differential gear, the pinions of which are carried by a brake drum which may also have sprocket teeth for driving the wheels, the arrangement being such that an equalized or balanced braking action on the two wheels is thus obtained. In Fig. 3, the outer wheel 17 is secured to a hub 10 mounted by bearings 5, 6 on the axle 1. The inner wheel 22 and brake drum 32 are freely mounted on the hub 10. Crown gear rings 71, 75 secured respectively to the hub 10 and wheel 22 gear with pinions 81 rotated in bearings 83 on the drum 32. Brake 'shoes 30 are provided. In Fig. 5, the differential gear comprises internally and externally toothed rings 39, 45 secured respectively to the hub 10 and to the wheel 22 and geared to pinions 51 mounted on the drum 32. In this arrangement a sprocket ring 61 for driving the wheels is fitted to the drum 32 and the webs of the wheels 17, 22 are reversible and interchangeable. A flange 40 on the hub 10 serves to position the wheel 22 and drum 32 and for the attachment of the gear 71 or 39. In Fig. 1 (not shown) a non-driven arrangement, in which the wheels are similar to those of Fig. 3 and the differential gear similar to that of Fig. 5, is shown.