baber/WOPTO huggingface dataset:
Patent GB-714256-A (GB)
Title: Improvements in or relating to mixing, agitating, stirring and like machines
Inventor: FRASER LEONARD
IPC: B01F15/00
Filed: 1951-05-30
Abstract: 714,256. Mixing appliances. CHADBURNS (LIVERPOOL), Ltd. May 23, 1952 [May 30, 1951], No. 12669/51. Class 86 A mixing machine comprises a supporting column 10 having a lateral hollow extension 11, driving mechanism including change speed gearing within the extension 11 adjacent the column 10, a skirt 30 depending from the underside of the extension 11 at the end remote from the column, a rotor 25 forming a lower closure for  the skirt, shafting 16, 25 coupling the rotor to the driving mechanism, a mixing shaft 26 journalled eccentrically on the rotor 25 a planet gear wheel 28 on the shaft 26 which meshes with a toothed annulus 31 in the lower part of the skirt and a counterweight 32 on the rotor opposite the shaft 26 and housed within the skirt.
Patent GB-1180925-A (GB)
Title: A Method of Bonding Polyethylene to a Metal Surface.
Inventor: BRIGHT KEITH
IPC: B05D3/10
Filed: 1966-03-22
Abstract: 1,180,925. Coated metal articles. METAL CONTAINERS Ltd. 28 Feb., 1967 ]22 March, 1966], No. 12677/66. Heading B2K. Ferrous metal articles are coated with polyethylene by applying to the metal surface an oxidation promoting substance e.g. iron naphthenate, cobalt octoate, peroxides, and then sufficient polyethylene to give the desired final coating thickness, and heating the assembly to partially oxidize the polyethylene only in a superficial zone adjacent the ferrous metal surface and to cause fusion of the polyethylene. The oxidation promoting substance may be present in an intermediate layer not greater than 100Á thick in admixture with a thermosetting resin e.g. epoxy-phenolic, phenolic or polyurethane resin, so that the polyethylene is oxidized only in a superficial zone adjacent the resin layer. Alternatively the resin layer may be applied to the ferrous metal surface, followed by the application of the oxidationpromoting substance and then the polyethylene. The Examples relate to the coating of degreased steel panels.
Patent GB-1508824-A (GB)
Title: Apparatus for determining magnetic characteristics
IPC: G01R33/14
Filed: 1975-03-26
Abstract: 1508824 Measuring magnetic properties V M MOGILEVSKY V P EKIMOV E A ABROSIMOV V A MILLER and  V V MULYAROVA 26 March 1975 12740/75 Heading G1N [Also in Division H 1] In a hysteresis loop measuring apparatus, the magnetic field producing solenoid is designed to produce a more uniform field and the apparatus is arranged to reduce leakage flux effects. A sample 35 to be tested is positioned in a one layer hollow turned ellipsoidal solenoid 3 which has a constant pitch of its turns along its generatrix, a generatrix compression factor K = 0À1679 and a ratio of RL/R of 0À4423 so as to be subjected to a uniform A.C. field when the solenoid 3 is coupled to a single turn secondary winding 2, 5 of a step-down transformer 1. The part 5 of the secondary winding is in the form of a hollow turn 5 around the core 6 of the transformer and is made up of a cylindrical casing 7 having a tubular water jacket 8 and upper and lower lids 9, 10 with annular cooling grooves 11. The magnetization of the sample is detected by coil 37 which is coupled via an integrator and phase corrector to one pair of plates of a CRT, Fig. 2 (not shown), the other pair of plates being supplied with an integrated and phase corrected signal indicative of the strength of the magnetizing field. This signal is obtained by means of a magnetic field generator 14 which includes a primary winding 13 in the form of a hollow turn around a core of the magnetic field generator, Fig. 3 (not shown), and arranged coaxially with and connected to hollow central rod 12 which is connected via conduit 15 to secondary winding 2 and also to the lower lid 10 so that the current passing through the solenoid 3 also passes through the primary winding 13. The secondary winding, Fig. 3 (not shown) of the magnetic field generator 14 is made up of a plurality of sections wound symmetrically around the core each section being in the form of two spirally twisted conductors which their ends connected in a series-parallel way to a plurality of taps of a switch the movable slider of which is connected to the integrator of the magnetizing field measuring channel. A compensating winding connected in series opposition with the measuring winding 37 is also wound on the core so as to be screened by the primary winding 13 from the external fields. Details of and a mathematical derivation are given of the shape of a pair of deflection plates of the CRT so as to avoid distortion see Division H1.
Patent GB-1141804-A (GB)
Title: Panels
Inventor: WOOLER ALAN METCALF
IPC: E04D3/35
Filed: 1965-03-26
Abstract: 1,141,804. Laminated panels. IMPERIAL CHEMICAL INDUSTRIES Ltd. 3 March, 1966 [26 March, 1965], No. 12957/65. Heading B5N. A panel of substantially rectangular plan comprises a core 1 of foamed plastics material sandwiched between and bonded on one side to a first facing sheet 2 which is "corrugated" and on the other side to a second facing sheet 6 which is "corrugated" in a direction at right angles to the corrugation of the sheet 2, the sheet 2 protruding at 3 beyond the core along one edge of the panel and the sheet 6 protruding at 5 beyond the core along a second edge of the panel. The protrusion of sheets 2 and 6 may take place along opposite edges of the panel, as shown, or along adjacent edges. It is stated that the term "corrugated sheet" includes sheet material having parallel ridges, ribs, wrinkles, furrows, or pleats. The plastics core may be of foamed polyvinyl chloride or foamed phenolformaldehyde resin, but is preferably polyurethane foam prepared, e.g. from a polyisocyanate and a hydroxyl compound preferably of the polyester or polyether type. Examples of particular isocyanates, polyesters, and polyethers are given. When the panel is intended for use as a packing material the facing sheets 2, 6 are of paper. When the panel is intended for use in building, e.g. as part of a roof, the facing sheets are both of strong material, e.g. metal, such as steel or aluminium, which may be protected by being vitreous enamelled, plastics coated, galvanized, painted, or anodized; resin bonded fibreglass; asbestos cement; or plastics such as polyvinyl chloride, polyisobutylene or acrylonitrile-butadiene-styrene co-polymer. In an alternative embodiment an edging strip or strips is or are bonded to the core preferably along the edges where the facing sheets protrude. In a method of making this embodiment the upper and lower facing sheets are moved through a conveyer system in substantially parallel but offset relationship and foamforming ingredients are dispersed on the lower facing sheet. The edging strips are fed through the conveyer system to prevent spreading of the foam across the facing sheets, and if desired heat is applied to promote foaming and gelling. Preferably the first facing sheet is a corrugated sheet having its corrugations transverse to its direction of movement so that it may be fed from a roll. The foam-forming ingredients may be applied to the sheet while it passes over an outwardly bowed platform. When the sheet is of metal the corrugations may be formed in an originally planar sheet by mechanical means. The second facing sheet is supplied in lengths or from a roll. The edging strips used are e.g. of paper, plastics, e.g. foamed polyurethane or polystyrene, rubber, or cork, and may be bonded to the core or detachable. The lower facing sheet is preferably carried through the conveyer system on a paper support folded at one or both edges and supported by side rails. Using suitably contoured edging strips or side rails panels with tongued or grooved edgings may be produced.
Patent GB-873069-A (GB)
Title: Polymers
Inventor: MILNE CHARLES BUCHAN
IPC: C08F10/14
Filed: 1960-04-12
Abstract: Hydrocarbon polymers of olefines having in their molecule at least six but not more than eighteen carbon atoms are made by polymerizing the olefine which has previously been purified with urea, in the present of an aromatic compound, i.e. an aromatic compound excluding heterocyclic compounds and aromatic compounds containing nitro groups, and a catalyst comprising (1) a compound of a metal of Group 4(a), 5(a), 6(a), or 7(a) of the Mendeleeff Periodic Table and (2) an element or compound of either (a) a Group 1, 2, or 3 metal or alloy thereof or (b) an organo-metallic compound or a hydride of a Group 1, 2, or 3 metal, tin or lead. The purification of the olefines may be effected in accordance with the processes described in Specifications 657,496, 671,456, 681,246, and 725,598.  The aromatic compound may be benzene, toluene, xylene, ethylbenzene, diethylbenzene, naphthalene, alkyl substituted naphthalenes, fluorene, indene, chlorobenzene, bromobenzene benzotrichloride, chlorinated or brominated toluenes, benzyl chloride, or phenol.  During the polymerization acyclic hydrocarbons may be present.  The polymer may be purified by conventional techniques.  The polymerization may be effected batchwise or continuously.  The polymers alone or in admixture with other ingredients may be used as lubricants.  Specifications 671,457, 671,458, 799,392, 799,823, 801,031, 810,023, 819,867, 820,263, 873,065, 873,066 and 873,067 also are referred to.
Patent GB-131345-A (GB)
IPC: D06M13/535
Abstract: 131,345. Haack, F., and Testas, H. B. de F. May 4,1918. Proofing.-Fishing-nets are subjected to a vacuum prior to being treated with a tanning liquid, which may be apphed at atmospheric or a higher pressure. Spiral steam coils may be arranged in the tan kettle for heating the tan.
Patent GB-557027-A (GB)
Title: Improvements in or relating to electric signalling systems
IPC: H04Q1/453
Filed: 1942-09-18
Abstract: 557,027. Converting. STANDARD TELEPHONES & CABLES, Ltd. Sept. 18, 1942, Nos. 13169 and 13170. Convention dates, Dec. 4, 1941, and Aug. 23, 1941. [Class 38 (ii)] [Also in Groups XXXVIII and XXXIX] In a system in which a number of direct-current relays are selectively operated in response to signalling currents of corresponding frequencies, the usual band-pass filters are replaced by rectifier modulators which are supplied respectively with currents of the same or substantially the same frequencies as the signalling currents. In one form of rectifier modulator, Fig. 1, the signal frequency f and the carrier frequency f<SP>1</SP> are applied over transformers IT, OT and a direct current relay X is connected to the centre taps of the transformers. If the frequencies are exactly equal and the signal and carrier currents are in phase, the voltage across the relay X includes a constant component which causes its operation. It is necessary in this arrangement to obtain the signal and carrier currents from the same generator or from synchronized generators. In a modified arrangement, Fig 2, which admits of the signal and carrier frequencies being slightly different, the two windings of a relay Y are connected to a pair of parallel modulators which receive the carrier current with a phase difference of 90 degrees. If the frequencies are slightly different, the low frequency currents in the windings of the relay Y combine to give the effect of a direct current. A signalling system is described, Fig. 3 (not shown), in which five frequencies are applied in pairs to a transmission line by means of a set of keys and are selected by modulators as shown in Fig. 1 or Fig. 2. In choosing the signalling frequencies it is necessary to avoid frequencies which are odd multiples of others.
Patent GB-1449171-A (GB)
Title: Supports for holdng vehicle doors
IPC: F16M13/00
Filed: 1973-03-20
Abstract: 1449171 Stands J B HICKMAN 11 March 1974 [20 March 1973] 13258/73 Heading A4H A support for holding a vehicle door &c. comprises a post 1 having at its upper end a pivotal mounting 3 that can be locked in the desired angular position relative to the post, an elongate clamp rail 11 carrying longitudinally adjustable clamping members 13 for clamping the door &c., and the rail having a block 10 for detachably supporting it on the mounting 3. The pivotal mounting comprises a plate 3 with an open-ended slot 8 for receiving a bolt 9 on block 10, and perpendular lugs 4 pivoted to post 1 by a horizontal pin (5) one lug having a hole that can register with one of a series of angularly spaced holes (6) in the post to receive a pin 20 to lock the mounting in the desired position, and one lug engaging a stop (7) on the post in both extreme positions. Each clamping member 13 comprises a joggled plate 14 having two screw clamps, one screw clamp 15, 16 extending through a longitudinal slot 12 or rail 11 for rotational adjustment or movement along the rail, and the other screw clamp 17, 18 clamping the door, &c. Flat clamps 19 may also be provided. The post 1 may be mounted on a vertically adjustable support, or the pivotal mounting may be provided on a collar slidable on the post.
Patent GB-811796-A (GB)
Title: Improvements in or relating to apparatus for detecting the presence of explosive or combustible gases and vapours
IPC: G01N7/06
Filed: 1956-05-01
Abstract: <PICT:0811796/III/1> In a gas analysis apparatus with two chambers in one of which a sample of the atmosphere to be tested is ignited resulting in a difference in pressure between the two chambers indicated by a manometer or like device so as to give an indication of the composition of the gas, means are provided for effecting saturation with water of the atmosphere in the two chambers.  An apparatus for ascertaining the presence of explosive or combustible gases in air, similar to apparatus of Specification 319,231, [Class 38 (3)], comprises two chambers 1 and 2 formed in a metallic vessel and connected by a manometer tube 15, 6, chamber 1 being a combustion chamber and chamber 2 a compensating chamber.  Passages connecting the chambers to the source of gas to be tested or the air are controlled by a multiple-way cock 3 which may be turned to allow gas to be tested to be forced in through a passage 4 into the chamber 1 while contained gas is allowed to pass out through a passage 5, the chamber 2 being of the same type and connected to atmospheric pressure.  The cock is then turned so that the chambers 1 and 2 are closed and the combustion is effected by a platinum wire 14 heated by an electric current. After cooling to allow the chambers 1 and 2 to reach the same temperature, the cock is further turned to connect the chambers to the manometer.  The tubes 4, 5 and 6 which enter the chambers 1 and 2 are extended upwardly through a short distance above the bottom of the chambers 1 and 2 so that a small amount of water may be placed in the lower part of the two chambers to ensure saturation.  An alternative is to provide in each chamber a wick or absorbent pad which is soaked or adapted to be soaked with water. Conveniently such a wick or pad is secured in a wall of each chamber.
Patent GB-495331-A (GB)
Title: Improvements in or relating to television and like systems
IPC: H04N5/06
Filed: 1937-05-10
Abstract: 495,331. Television. BAIRD TELEVISION, Ltd., and JONES, V. A. May 10, 1937, No. 13322. [Class 40 (iii)] Line synchronizing pulses are derived by frequency multiplication at 2, 4, from a source 1 while frame impulses are derived from source 1 without frequency multiplication ; due to the circuits 3, 5, (e.g. band-pass filters), the time of inception of the first line pulse will be different from that of the first frame pulse and this difference will vary with variation of frequency of the source 1. Such variation is prevented by the introduction of a circuit 6 whose time delay varies with frequency in the same degree as that of circuits 3 and 4 combined. The circuit 6 is preferably a band-pass filter indentical in configuration with the filters 3, 5, and the reciprocal of its percentage band-width is equal to the sum of the reciprocals of the percentage band-widths of the filters 3, 5. Specification 479,935 is referred to.
Patent GB-1304043-A (GB)
IPC: C23F3/06
Filed: 1970-03-19
Abstract: 1304043 Chemical milling of titanium ARMCO STEEL CORP 19 March 1970 [20 March 1969] 13337/70 Heading C7E Ti and Ti-based alloys are chemically milled by treatment in an aqueous solution of 2 to less than 10 volume % HF and 1-10% HCl, the remainder being water, at 65-140F. Milling may be by immersion for 5-25 minutes, and any smut remaining may be removed by immersion in aqueous HNO 3 /HF. Badly scaled Ti may be pretreated in a NaOH-based melt or by flashpickling with H 2 SO 4 .
Patent GB-231809-A (GB)
Title: Manufacture of new cellulose derivatives
IPC: C08B11/12
Filed: 1924-05-30
Abstract: Cellulose derivatives soluble in aqueous alkalies, and which are precipitated as products insoluble in water by the addition of alcohol to the solutions in aqueous alkalies, are prepared by carrying out the treatment of cellulose or a cellulose conversion product insoluble in alkali, with a monohalogen fatty acid, or a salt or ester of such acid, and alkali, in the absence of alcohol or in the presence of not more than 20 parts of alcohol for each 100 parts of water present; the process is conducted so that the maximum quantity of halogen fatty acid &c. is inversely proportional to the strength of the alkali solution.  Other conditions are:-the halogen fatty acid should not be used in more than 18/a molecular proportions to each molecular proportion of caustic alkali, where a represents the percentage strength of the alkali lye; for each molecular proportion of caustic alkali, if this is used as a solution of not more than 25 per cent strength, there should be used not more than 180 (n + 1)/a molecular proportions of halogen fatty acid (a being the percentage strength of the alkali lye, and n the number of parts of alkali lye used to each part of cellulose), or, if the alkali lye is of more than 25 per cent strength, not more than 60/a (n + 1) molecular equivalents of halogen fatty acid, or generally, with lye up to 25 per cent strength, not more than 0.75-1 molecular proportions of halogen fatty acid, and with stronger lye, not more than 0.5-0.6 molecular equivalents, although smaller amounts than these are usually sufficient; and there should be used not more than one molecular equivalent of halogen fatty acid to one molecular proportion of cellulose.  The cellulose &c. to be treated may be soaked in an excess of alkali lye, the surplus being subsequently removed, or it may be mixed or kneaded with the required quantity of lye, or with solid caustic alkali, or with a mixture of solid caustic alkali and saturated lye; the reaction is carried out at room temperature or below, or with the application of heat; and contact substances such as copper, iron, silver, and benzoyl superoxide may be added.  Suitable halogen fatty acids &c. are:-monochloracetic acid, methyl or ethyl chloracetate, a-bromopropionic acid, bromosuccinic acid, a-bromo-isobutyric acid and their salts and esters.  The products are isolated from the reaction mixtures by the addition of an acid, an acid salt, &c., or by treating with alcohol. When precipitated in the form of threads and films from their solutions, they give solid, flexible, and transparent products.  The cellulose derivatives may be employed in the manufacture of artificial fibres, films, plastic compositions, coatings, dressings for fabrics, sizes, thickening-agents for textile printing, agents for fixing pigments, &c.  Specifications 138,116, 177,810, 203,346, and 203,347 are referred to.
Patent GB-1391934-A (GB)
Title: Arrangements comprising a solid state imaging device
Inventor: SHANNON J M
IPC: H01L27/146
Filed: 1972-03-22
Abstract: 1391934 Solid state imaging devices MUL. LARD Ltd 22 March 1972 [24 March 1971] 13415/72 Heading H1K [Also in Division H4] The radiation-sensitive elements of an imaging device are P-N junction-gate field effect transistors (JFETs) preferably comprising annular P<SP>+</SP>-type gate regions 3 in an N-type epitaxial layer on a P-type substrate, which regions 3 surround N<SP>+</SP>-type drain regions 4 and are situated adjacent N<SP>+</SP> source regions 5 common to a column of JFETs. The P-N junctions between the gate regions 3 and the respective channel regions are charged to a predetermined level by application to the gate electrodes of a charging voltage pulse at the start of each frame period of the imaging process, thereby cutting off the channels completely. The gates of the JFETs may be charged sequentially via electrodes applied directly thereto or may, as shown, be charged simultaneously via a common charging line 42 which supplies each JFET gate region 3 through a corresponding MOSFET constituted by an N<SP>+</SP> drain region 41 shorted to the line 42, which provides the insulated gate metallization, and the N<SP>+</SP> JFET gate region 3 which forms the drain of the MOSFET. At the end of the frame period each JFET is interrogated non-destructively by a voltage pulse applied to the source or drain region. The current flowing between the source and drain regions in response to the interrogation voltage provides a measure of the integrated radiation falling on the element during the frame period, since such radiation generates carriers which discharge the gate P-N junction to an extent determined by its intensity. When, as in the embodiment shown, the interrogation voltage is applied to the common source region 5, all devices are interrogated simultaneously and the output signals are supplied to spaced inputs along a delay line, resulting in a video signal pulse train at the output. If the JFETs are interrogated sequentially via their central drain regions a single output terminal with no delay line is all that is required. The device may be caused to respond to light of different colours by adjusting a bias across the P-N junction between the substrate and epitaxial layer so as to vary the depth of the JFET channels within the epitaxial layer, light of different wavelengths penetrating the semiconductor material to different extents. Figs. 9 and 10 (not shown) illustrate a twodimensional array of radiation-sensitive JFETs operating on the same principle. The JFETs may be sensitive to an electron image or an X-ray image as well as to a light image.
Patent GB-188680-A (GB)
Title: Improvements in servo-motors and the like control gear
IPC: F15B9/08
Filed: 1921-05-12
Abstract: 188,680. Gilkes & Co., Ltd., G., and Thorpe, G. E. T. May 12, 1921. Actuating-mechanism.- An hydraulic servomotor for operating valves &c. has both ends of its cylinder 2 continually open to a supply of pressure liquid, and is provided with exhaust passages controlled by valves 10, 11 normally held closed by a spring 14 acting through collars 16, 17 and levers 12, 13. The collars have pins mounted in slots 18, 19 in a rod 15, so that endwise movement of the rod opens one valve.
Patent GB-135032-A (GB)
IPC: B62D55/10
Abstract: 135,032. Caterpillar Tractors, Ltd., (Holt Manufacturing Co.). Jan. 13, 1919. Endless-track vehicles.-The upper run of each track is supported by rollers k carried on a rail g which is pivoted at the rear end to a bracket h on the truck b, and is supported from the front end of the truck by a spring i.
Patent GB-533284-A (GB)
Title: Improvements in means for discharging bombs from aircraft
IPC: B64D1/04
Filed: 1939-05-08
Abstract: 533,284. Discharging bombs from aircraft. VIAZEMSKY, S. V. CONSTANTINOVITCH, PRINCE. May 8, 1939, 13650. [Classes 9 (ii) and 92 (ii)] A low-velocity gun 2 of the bomb-thrower type using an explosive cartridge 3 is carried by an aircraft 1 for discharging the bomb 5 with a rearward velocity sufficient to neutralize the forward velocity of the bomb due to the moving aircraft. The gun shown is of the muzzle-loading type having at its breech end a cartridge chamber and firing device 22, an air cushion chamber 4 being provided between the cartridge chamber and the bomb. 'The bomb is retained by a pin 24 sheared on discharge.