baber/WOPTO huggingface dataset:
Patent GB-609348-A (GB)
Title: Improvements in or relating to cooking utensils
IPC: A47J27/00
Filed: 1946-03-12
Abstract: 609,348. Electrically-heated saucepans. ERALITE MANUFACTURING CO., Ltd., and WRAY, E. J. March 12, 1946. No. 7641. [Class 66] A double cooker comprises an upper saucepan 17 with a lid 19 sunk at 21 to accommodate a handle-knob 20, and a handle 22 on the upper part of the saucepan wall, the lower part 15 of which is tapered to rest in a lower vessel 1 which is jacketted at 2 to provide a base 25 and feet 24, an electrical heating element which may be secured by a bolt 6 being located in a space 8 between the vessel 1 and jacket 2. The jacket 2 may be of plastic, &c., with a shoulder 9 to facilitate handling and to support the rim 7 of the vessel 1. The lid 19 also fits the rim 7. The handle 22 may be of the pistol-grip type and made of synthetic resin. An adjustable thermostat may be fitted in a recess in the wall or in the space 8 which may be lagged.
Patent GB-884657-A (GB)
Title: An improved method of grinding or polishing a glass sheet on both faces simultaneously
IPC: B24B7/26
Filed: 1958-03-10
Abstract: 884,657. Grinding and polishing glass. COMPAGNIE DE SAINT GOBAIN. March 10, 1958 [March 8, 1957], No. 7650/58. Class 60. A method of grinding or polishing the two faces of a glass sheet simultaneously comprises imparting a periodic translational motion in a closed curved path to a pair of tools disposed one on each side of the glass, the periodicity and direction of motion being the same for each tool and arranged to be out of phase by a halfperiod or substantially so. The motions may be circular and produced by means of two synchronised cranks. Adjacent pairs of tools rotate in opposite directions to neutralise the torque generated.
Patent GB-766975-A (GB)
Title: Improvements in photographic objectives
Inventor: ZOLLNER HARRY
IPC: G02B13/04
Filed: 1955-03-16
Abstract: 766,975. Photographic objectives. VEB C. ZEISS JENA. March 16, 1955, No. 7668/55. Class 97(1) In an objective of the kind consisting of a front dispersive meniscus component situated at a considerable distance from a collective member consisting of two dispersive meniscus components concave to a diaphragm therebetween and enclosed by a front simple collective component and a rear collective meniscus component, the front dispersive meniscus component is simple and has an Abbe number greater than 55 and less than 65, the front component of the collective member is of flint glass of Abbe number greater than 40 and less than 50, the dispersive meniscus in front of the diaphragm consists of two lenses cemented together and having a difference of refractive index greater than 0 and less than 0.2, the dispersive meniscus following the diaphragm is simple and has a refractive, index greater than 1.7 and the refractive index of each lens of the rearmost component is greater than 1.6 and less than 1.7 Numerical data are given for one example of the objective shown and for one in which the rear most compartmen is a cemented doublet.
Patent GB-750232-A (GB)
Title: Stabilisation of streptomycin
Inventor: GRAINGER ARTHUR
Filed: 1953-03-20
Abstract: A streptomycin salt such as the sulphate is stabilized by admixture with a salt of sulphurous acid and an addition product of an aldehyde with a salt of sulphurous acid or of hydrosulphurous acid.  Specified are sodium and potassium bisulphites and sodium and potassium metabisulphites and sodium formaldehyde sulphoxylate.  Preferred is a mixture of sodium metabisulphite and sodium formaldehyde sulphoxylate.  The solids may be ground together in the dry state or dissolved in water, the solution so formed being used as such or e.g. freeze-dried to form the stabilized solid.  The aqueous solutions may be sterilized by heating to 120 DEG  C. for 1 hour.  Each of the stabilizers may be used in proportions of 0.05 to 1.0 per cent of the aqueous solution, which may be adjusted to pH 3 to 7 and preferably pH 5. Buffers such as citrate, acetate or phosphate may be present. Specification 684,459 is referred to.ALSO:A streptomycin salt such as the sulphate is stabilised by admixture with a salt of sulphurous acid and an addition product of an aldehyde with a salt of sulphurous acid.  Specified are sodium and potassium bisulphites and sodium and potassium metabisulphites and sodium formaldehyde sulphoxylate. Preferred is a mixture of sodium metabisulphite and sodium formaldehyde sulphoxylate.  The solids may be ground together in the dry state or dissolved in water, the solution so formed being used as such or e.g. freeze dried to form the desired stabilised solid.  The aqueous solutions may be sterilised by heating to 120 DEG C. for 1 hour.  Each of the stabilisers may be used in proportions of 0,05 to 1,0 per cent of the aqueous solution which may be adjusted to pH3 to 7 and preferably pH 5,0.  Buffers such as citrate, acetate or phosphate may be present.  Specification 684,459 is referred to.
Patent GB-779990-A (GB)
Title: Improvements in the production of floor and leather polisher
IPC: C09G1/10
Filed: 1954-03-17
Abstract: An oil-base floor or leather polish comprises a hard paraffin wax, or a mixture thereof, having a flow point above 70 DEG  C. and preferably obtained synthetically, a polyethylene having a molecular weight between 3000 and 6000, preferably between 4000 and 6000, the weight ratio of wax to polyethylene being 4:1 to 1:4, together with the usual components such as heavy naphtha, turpentine, ozokerite and dyestuffs.  Instead of part of the polyethylene or in addition thereto at least one diamide of an aliphatic, cycloaliphatic or aromatic diamine and an aliphatic monocarboxylic acid having at least 12 carbon atoms, or at least one diamide from an aliphatic, cycloaliphatic or aromatic dicarboxylic acid and an aliphatic monoamine having at least 12 carbon atoms or an aromatic or cyclo-aliphatic monoamine or a mixture of two or more such diamides may be present.  Suitable diamines may be prepared from hydrazine, ethylene, hexamethyline and phenylene diamines, diaminocyclohexane, benzidine and 4.41-diamino-bis-cyclohexylmethene and oleic, linoleic, stearic and behenic acids or fatty acids from oxidized paraffin wax, montan wax or hardened rapeseed oil, or natural wax acids; or from laurylamine, oleylamine, stearylamine, aniline and cyclohexylamine and oxalic, succinic, adipic, sebacic, phthalic and terephthalic acids.  The waxes and polyethylene may be melted and the other ingredients added together with the diamide. Specification 720,354 is referred to.
Patent GB-609535-A (GB)
Title: The preparation of chlorophenyl camphorates
Filed: 1946-03-13
Abstract: 4-Chlorophenol hydrogen camphorates are prepared by the reaction of 4-chlorophenol or a homologue thereof with a camphoric anhydride in a solvent, the reaction being catalysed by sodium methoxide.  The products are useful in the treatment of human fungus infections such as athlete's foot.  In examples: (1) 4-chlorophenol is treated with d-camphoric anhydride in benzene and in the presence of sodium methoxide giving 4-chlorophenyl hydrogen d-camphorate; dl-camphoric anhydride similarly gives the corresponding dl-camphorate; (2) 4-chloro-3-methylphenol is treated as in (1) giving 4-chloro-3-methylphenyl hydrogen d-camphorate and the corresponding dl-camphorate, and (3) 4-chloro-3:5-dimethylphenol is treated as in (1) giving 4-chloro-3:5-dimethylphenyl hydrogen d-camphorate and the corresponding dl-camphorate.
Patent GB-388223-A (GB)
Title: Improvements in or relating to gaseous electron discharge devices
IPC: H01J17/04
Filed: 1932-03-16
Abstract: 388,223. Thermionic valves. IGRANIC ELECTRIC CO., Ltd., 147, Queen Victoria Street, London.-(Assignees of Fritz, E. A.; 12th Street, Milwaukee, Wisconsin, U.S.A.) March 16, 1932, No. 7823. Convention date, March 16, 1931. [Class 39 (i).] The control electrode of a gaseous discharge device consists of a sheet 3 completely enclosing the cathode 1 and imperforate except for an area so arranged as to concentrate the electron stream into beams passing to the anode 2 ; for example, the upper end 5 of the control electrode has one or more openings 6. The control electrode acts as a shield confining the heat of the cathode. Electron emitting substances such as oxides, which are dispersed from the cathode during operation, are deposited on the inner surface of the control electrode, and secondary emission is prevented.
Patent GB-768199-A (GB)
Title: Process for the production of alcohols
Filed: 1955-03-18
Abstract: Alcohols are produced by passing an ester, prepared from an aliphatic carboxylic acid and an aliphatic alcohol having from 1 to 4 carbon atoms, in admixture with an aliphatic alcohol, having from 1 to 4 carbon atoms per molecule, and hydrogen at elevated temperature and pressure over a solid copper-containing catalyst. Generally the same alcohol is used as diluent as is used for the esterification of the acid.  Suitable catalysts are, for example, copper chromite, copper-zinc-chromite or copper-zinc which may be applied to carriers such as silica gel, pumice stone or alumina. In the examples: (a) the methyl ester of sperm oil fatty acid is passed with methanol and hydrogen over a copper-zinc-chromium catalyst at elevated temperature and pressure to give the corresponding alcohols; (b) the butyl ester of sperm oil fatty acid is mixed with butanol and treated with hydrogen in the presence of a silica gel containing copper-barium chromite catalyst to give the corresponding alcohols; and (c) the methyl ester of coconut oil fatty acid is mixed with methanol and treated with hydrogen in the presence of a copper-zinc catalyst to give the corresponding alcohols.ALSO:Copper-containing catalysts are used for the preparation of alcohols by the catalytic reduction of esters.  In the examples catalysts are prepared by (a) precipitating with soda the basic copper-zinc carbonate from the solution of the nitrates, drying and breaking it into small pieces and reducing with hydrogen or a mixture of nitrogen and hydrogen; (b) treating the basic copper-zinc carbonate formed as in (a) with sufficient ammonium chromate solution to react with 1/4 of it, followed by drying and forming into pellets; and (c) steeping lumpy silica gel in an aqueous solution containing copper nitrate, barium nitrate and chromic acid, followed by drying and roasting in an air current.
Patent GB-330576-A (GB)
Title: Improvements in and relating to screening devices for liquids
IPC: B01D33/00
Filed: 1929-03-11
Abstract: 330,576. Bijl, H. J. van der. March 11, 1929. Rotary strainers; grids and gratings.-A rotary straining drum, arranged in a pit 3, has tubular apertures the length of which is at least equal to their least diameter. The ends of the drum are closed by the walls of the pit. Water from an inlet pipe 5 passes outward through the drum. The retained matter is washed by jets 12 into a launder 13. Fig. II shows a part of a drum with apertures 9 of diameter less than the thickness of the shell. In the section of drum shown in Fig. III, straining tubes 11 are fixed in a thin shell 10. The apparatus may be used for removing weeds &c. from the cooling water of tubular condensers.
Patent GB-439871-A (GB)
Title: Revolving toy
IPC: A63B22/14
Filed: 1934-03-13
Abstract: 439,871. Roundabouts. MARKUS, J., 18B, Lonyay-Utca, Budapest. March 13, 1934, No. 7928. Void [Abridged as open to inspection under Sect. 91 of the Acts, Sept. 28, 1934]. [Class 132 (i)] An amusement turntable comprises a rotatable disc 4 mounted on a pivot pin 3 projecting from a stationary disc 1 and rotating on a ball bearing 8. Dust shields 11, 12 are provided. The balls may be replaced by rollers. In a modification the pivot pin may serve only to maintain the discs coaxial. The balls may run in grooves. A groove may be provided on the periphery of the upper disc to permit of rotation by a rope. A large disc may be attached to the upper disc.
Patent GB-708726-A (GB)
Title: Improvements in and relating to electrical control arrangements
IPC: H05B1/02
Filed: 1951-04-05
Abstract: 708,726. Thermal switches. HALL, C. C., and SUNVIC CONTROLS, Ltd. March 27, 1952 [April 5, 1951], No. 7938/51. Class-38(5) [Also in Group XXXV] A thermal switch for use in an automatic control system (see Group XXXV), consists of twc similar bimetallic strips 1, 2, each carrying an electric heater 20, 21 and arranged so as to deflect equally and in the same direction when the heater currents are equal, but to deflect unequally and so close contacts 8, 14, when the currents are unequal. The contact 8 is adjustably mounted within a permanent magnet 12, and the contact 4 is carried by a spring blade 15 which at one end is bolted to a strip of magnetic material 17 bolted to the strip 2. The magnet 12 co-operates with the magnetic plate 17 so as to provide snap-action of the contacts. A screw 7 provides positional adjustment of the strip 2.
Patent GB-1195968-A (GB)
Title: A Device for Transmitting Information between a Central Office and a Train.
Inventor: JAUQUET CHRISTIAN
IPC: B61L3/22
Filed: 1969-02-13
Abstract: 1,195,968. Inductive signalling. ATELIERS DE CONSTRUCTIONS ELECTRIQUES DE CHARLEROI. 13 Feb., 1969 [21 Feb., 1968], No. 7943/69. Heading B7N. A signalling loop for transmitting information between a railway train and a central control office includes a first leg 9 running closely adjacent one rail 1 of the track and a second leg 8, which couples with a pick-up coil 11 on the train, running midway between the two rails 1 and 2. Where two axles 6, 7 are present between two cross-overs 10 in the loop, current is induced in the closed loop formed by the rails and axles due to coupling between rail 1 and loop leg 9 but this does not affect pick-up coil 11 since the field produced by the current cancels at the coil. The cross-overs 10 are counted on the train to determine the distance travelled.
Patent GB-1009832-A (GB)
Title: Improvements relating to pattern recognition apparatus
Inventor: INGHAM WILLIAM ELLIS
IPC: G06V30/144
Filed: 1961-03-04
Abstract: 1,009,832. Automatic character reading. ELECTRIC & MUSICAL INDUSTRIES Ltd. March 5, 1962 [March 4, 1961], No. 7952/61. Heading G4R. Character recognition apparatus comprises means for forming an electron image of the character which is projected on to a shaped mask or an array of collecting electrodes to obtain signals representing the relationship between the shape of the character and the mask or array of electrodes. The image of successive vertical strips of the character are focused by lens L, Fig. 1, in the plane of the photo cathode K which emits electrons, due to the image falling on it. These are focused by means of an axial magnetic field to form an electron image in the plane of the aperture P. The image is oscillated vertically by the deflection circuit T and the movement of the character brings images of successive strips of the character into the sensing position. The aperture P may be a vertical or horizontal slit or an L-shaped slit as shown in Fig. 2. The electron-multiplier indicates the match between successive character elements and the aperture shapes. The signal passes to a recognition circuit 5. In another form, Fig. 3, the image is applied to the photo-emissive cathode K and the electron image focused on an apertured plate T. Electrons passing through impinge on an electrode W connected via resistor R to a positive source. The signal at U represents the match of the successive character elements with the aperture as before. There may be a large number of apertures in plate T each having an electrode forming part of a mosaic each electrode generating a signal which passes to the recognition circuitry. Instead of using an apertured plate T a target W, Fig. 4a, may be used the electrons impinging directly on collectors arranged in a cluster. In the form of Fig. 4b the electrodes form a shaped representation of superimposed characters so that an output from a particular combination of electrodes indicates the character. Some electrodes will be more significant than others and their outputs are weighted accordingly by variable gain amplifiers.
Patent GB-195384-A (GB)
Title: Improvements in the process of weaving mats from cokernut fibre and similar textile materials
IPC: D03D27/00
Filed: 1923-03-20
Abstract: 195,384. Farner, W. Ruckstuhl-. March 21, 1922, [Convention date]. Pile fabrics.-Pile mats of coco-nut fibre and similar materials are woven semi-automatically, the cutting of the pile loops being performed by hand, the other parts of the process being effected by mechanical devices. In the Specification as open to inspection under Sect. 91 (3) (a) it is stated that the insertion of the " trivets " may be effected by hand. This subject-matter does not appear in the Specification as accepted.
Patent GB-430194-A (GB)
Title: Improvements in or relating to shop fronts, show cases and like devices
IPC: A47F11/08
Filed: 1934-03-14
Abstract: 430,194. Reducing reflection in shop windows &c. BROWN, G., 3, Suffolk Road, Barnes, and POLLARD, E., 159, St. John Street, Clerkenwell, both in London. March 14, 1934, No. 8099. [Class 116] [See also Group X] Shop fronts or show cases having two curved panes of glass converging together in cusp fashion, as described in Specification 354,984, [Group X], in order to reduce reflection, are formed with the upper pane 1 overlapping the lower pane 2 and separated therefrom to leave a gap 6 extending substantially for the whole length of the window or show case. The overlap of the upper pane is stated to facilitate expansion and contraction, to reduce condensation and to prevent rain water from creeping on to the lower pane. Specifications 401,681 and 411,046, [both in Group X], also are referred to.
Patent GB-126484-A (GB)
Title: Improvements in and relating to Grinding Machines.
Inventor: SMITH ARTHUR PHILLIPS
IPC: B24B7/22
Filed: 1918-05-15
Abstract: 126,484. Smith, A. P., (trading as Britannia Foundry Co.). May 15, 1918. Disk-apparatus.-A grinding-machine adapted to operate upon the faces of moulding-boxes and like articles of large dimensions comprises a grinding-disk k supported on a vertical spindle l carried by a slide n laterally adjustable along a slideway m by a pair of belt-driven screws p. A screw s serves to give vertical adjustment to the slideway m. The spindle l is driven by belt-connexion of a pulley w thereon with a driving-pulley z carried by links 2, 3 adapted to serve as a tensioning-device. The work is supported on a reciprocable table c actuated through rack-gearing. An adjustable guard x may surround the grinding- disk k.
Patent GB-257188-A (GB)
Title: Improvements in whipple-trees
IPC: B64C5/04
Filed: 1926-03-25
Abstract: 257,188. Poulsen, M. K. W. March 25, 1926. Whippletrees.-Relates to whippletrees comprising a straight rigid tubular member and a V-shaped resilient member coiled to form an eyelet g for the rear connection to other draught elements. The tubular member a of a doubletree is connected to the resilient member b by screw-bolts d formed with eyes e for connection to the single-trees i, j. The member b is formed with additional eyelets h to increase its resilience. The V-shaped members j of the single-trees are preferably welded to the tubular members i which are formed with heads k, by flaring the ends of the tubes or otherwise, to hold the traces. In a set of three for three animals abreast, the eyelet g of the double tree and the eyelet of an additional single-tree are carried respectively at the ends of an additional double-tree the eyelet at the apex of which is disposed closer to the end carrying the set of trees shown in the Figure so as to equalize the pull.
Patent GB-707149-A (GB)
Title: Improvements in or relating to the production of indicia on solid bases, such as cross-wires
IPC: G02B27/32
Filed: 1951-04-09
Abstract: 707,149. Coating with metals. VOGT, A. April 9, 1951 [April 8, 1950; April 8, 1950], No. 8196/51. Class 82 (2) [Also in Groups XV and XX] In the production upon a base of, for example, cross-wires, the base is coated by evaporation in high vacuum to a thickness less than 10,000 A with a first layer of brittle, non-hygroscopic material which is removable by a solvent, the first layer is stripped from selected areas of the base, a second layer is applied to a thickness less than 10,000 Š over the whole by a similar vaporization technique, this second layer being of another material which either is irremovable by a solvent or is removable by said solvent only under conditions (e.g. temperature) under which the first layer is not removable, or is removable only by a solvent other than said first-mentioned solvent, and remaining portions of the first layer are dissolved away by said solvent thus undermining the second layer where it overlies the first layer whereupon such undermined parts break away leaving the second layer in contact with the base at the selected stripped areas. Before or after the first layer is dissolved, a third layer may be applied. As shown a glass body 1 has applied thereto a layer 4 as of sodium or aluminium fluoride and in this layer lines 5, 6 are traced by an engraving stylus. Thereafter, a layer 9 as of magnesium fluoride, gold nickel glyoxime or rhodium is applied; the material sticking to the base at the exposed parts 5, 6 thereof. The remainder of layer 4 is then removed, as by dissolving in cold water, taking with it the layer 9, except for the parts 2, 3 of said layer. If layer 9 is partly transparent, the parts 2, 3 will appear coloured due to optical interference. If desired a third layer (consisting for example of low oxides such as FeO) may now be applied, this third layer sticking to the now exposed parts of the base and thereafter the parts 2, 3 of the second layer are removed as by dissolving in hot water. In a further form, after the second layer (e.g. rhodium) has been applied to the layer 4 in which lines 5, 6 have been traced, another layer is deposited, this layer being, for example, of nickel glyoxime. Then the remainder of the first layer is removed and takes with it the parts of the second and third layers immediately thereabove. A fourth layer (e.g. of gold) is now applied and then the third layer is removed as by being dissolved in alcohol. In this manner phase plates and wave plates and other devices for use in such instruments as microscopes and spectroscopes may be produced. Specifications 294,987, [Class 93], 480,918 and 505,183, [Group XV], are referred to.
Patent GB-1032570-A (GB)
Title: Device for adjusting the gain or attenuation of an electric wave
IPC: H03G7/00
Filed: 1964-02-27
Abstract: 1,032,570. Automatic volume control. ClTCOMPAGNIE INDUSTRIELLE DES TELECOMMUNICATIONS. Feb. 27, 1964 [March 19, 1963], No. 8283/64. Addition to 855,638. Heading H4R. An automatic gain control of the type described in the parent Specification, i.e. in which the signal is passed through two modulators connected in cascade, the modulators being fed with carrier signals from the same source but one carrier supply being phase-shifted by an amount dependent on the value of a control signal which thus controls the gain of the system, is modified by using modulators of the " switching " type, i.e. in which the attenuation of the modulator is dependent only on the polarity of the carrier signal, and by producing a phase inversion in the carrier supply after the variable phase shifter. Fig. 5a shows an embodiment in which the output signal Vs is proportional to the control signal V multiplied by the input signal Ve. The system comprises two switching modulators 2 and 3 fed from a common carrier supply 5, modulator 2 being fed direct and modulator 3 via a variable phase shift device 8 in which the phase shift is produced by adding a fixed proportion of the original carrier signal to a 90 degree phase-shifted version of the carrier, the amplitude of which is controlled by the control voltage V in modulator 13. The phase-shifted carrier U3 is phase inverted by the interconnection of terminals b2 to a1 and b1 to a2 in the feed to modulator 3. Where the output voltage is required to be inversely proportional to the control voltage the 90 degrees phase shift network is connected in the feed to attenuator 16 and modulator 13 is fed direct from the carrier supply, Fig. 5b (not shown).