baber/WOPTO huggingface dataset:
Patent FR-1601254-A (FR)
Title: P-contng self-extinguishing polymers prepd from cyclic
IPC: C08G79/04
Filed: 1968-12-13
Granted: 1970-08-10
Abstract: P-contng. organic polymers contain at least one repeating structural unit of formula (I):- X = O or S; Q = OR or OM; R = alkyl, cycloalkyl or aryl, opt. substd. by one or more alkyl, cycloalkyl, aryl, halogen, haloalkyl, cyano, or cyanoalkyl; M = H or alkali metal; and Z = alkylene, cycloalkylene or arylene. The P-contng. polymers are waxy, rubbery or hard solids at 20-25 deg.C. The polymers are generally thermoplastic. When Q is OR, the polymer is water insoluble, and when Q is OM, the polymer is water soluble. Some of the polymers are elastomeric, and can be crosslinked with metal oxides. The polymers are useful for the prodn. of fibres, films, rods, etc. Some of the polymers are nonflammable, and others are self-extinguishing.
Patent FR-1604428-A (FR)
Title: Sulphamyl thiadiazines - purified by dissolving in a base and reprecipitating
IPC: C07D285/22
Filed: 1968-12-23
Granted: 1971-11-08
Abstract: Sulphurated heterocyclic sulphamides of the thiadiazine type are purified by dissolving in an organic or mineral base, filtering and reprecipitating with a buffered reducting medium, e.g. SO2. Good yields of very pure, white cpds. are obtd. the base may be KOH, NaOH, NH3, mono-, di- or tri-ethanolamine or quaternary ammonium oxides.
Patent GB-1226866-A (GB)
IPC: B01J21/00
Filed: 1968-04-02
Abstract: 1,226,866. Disproportionating olefins. PHILLIPS PETROLEUM CO. 2 April, 1968 [3 April, 1967], No. 15842/68. Heading CSE. Olefins are disproportionated or co-disproportionated in the presence of a catalyst comprising a SiO 2  support promoted with (i) an oxide, sulphide or hexacarbonyl of W or Mo, or an oxide of Te or Re or a mixture of two or more thereof, and (ii) a basic compound of an alkali metal or alkaline earth metal. Examples describe the disproportionation of (1) propylene to yield ethylene and butenes, (2) isobutene to yield ethylene and dimethylbutene, (3) an equimolar mixture of propylene and isobutene to yield ethylene, other butenes and various methylbutenes, (4) isobutene and 2-butene to branched pentenes, (5) 1-butene to 3-hexene and ethylene, (6) 2-butene to 2-pentene et alia.
Patent GB-1229062-A (GB)
Inventor: TRATTNER H
IPC: B23K9/167
Filed: 1969-03-14
Abstract: 1,229,062. Welding by fusion. SIEMENS A.G. 14 March, 1969 [15 March, 1968], No. 13505/69. Heading B3R. [Also in Divisions H3-H5] A gas-shield arc welding torch using non-consumable electrodes 20 comprises a tubular casing 1 enclosing a clamping member 9, 10 for holding a plurality of non-consumable electrodes 20 between its jaws. The clamping member 9, 10, a centring bush 7 and a further bush 8 are removably mounted in the insulating casing by means of a bayonet connection. The bayonet connection is formed by pins 19 on clamping member 9, a co-operating fixed member 6 and a spring-biased sleeve 5 which bears against clamping member 9. Gas passages 21 are provided in member 9 and a filter 12 is held in place by a threaded nozzle 11. The casing 1 has shoulders on its outer surface whereby it may be precisely located relative to a workpiece. When used to make a plurality of spaced welded connections to one or more workpieces (e.g. to make the electrical connections between a relay and its plug-in base), the electrodes are arranged to overlie the desired welding points and the welding points are connected in succession by a time switch to act as welding counter electrodes. The electrodes have a coating of thorium dioxide.
Patent GB-1229179-A (GB)
IPC: F16C33/20
Filed: 1970-03-26
Abstract: 1,229,179. Coating. FEDDERS CORP. 26 March, 1970 [15 May, 1969], No. 14820/70. Heading B2E. [Also in Divisions F2 and F4] A bearing surface, formed of a lubricating fluorine-containing synthetic resin, engages a bearing surface, formed of a synthetic resinous paint, the latter having a crazed cellular surface formed by vortex action during rapid curing of the paint. Carbon may be mixed with the fluorine-containing synthetic resin, the carbon may be graphite and may be 15 to 30 per cent by weight. The synthetic resin may be P.T.F.E. and may have 25 per cent by weight of graphite mixed therewith. The paint may be an epoxy resin paint, may contain: melamine formaldehyde resin mixed with the epoxy resin, may contain acrylic resin, or may contain melamine formaldehyde resin mixed with the acrylic resin. In an embodiment a clothes drier 1 has a rotatable drum 2 provided with perforations 3, and has a transition duct 4 and an exhaust duct 5 for water vapour. The drum 2 is driven by means of a motor 6, via a pulley 7 and a belt 8, and is supported by means of an axle 12 and a bearing 13 at one end and by pedestals 15, 16 at the other end. The latter are provided with pads 17, 18 respectively which are made of P.T.F.E. and graphite mixture and are attached to the pedestals by clamps 19, 20. The pads 17, 18 engage a synthetic resinous paint coating 31 on the outside surface 30 of the drum 2, the coating being applied and then cured.
Patent GB-1229753-A (GB)
IPC: B43L13/20
Filed: 1969-01-23
Abstract: 1,229,753. Drawing-devices. E. R. LILLEY. 20 Oct., 1969 [23 Jan., 1969], No. 3798/69. Heading B6P. A device for drawing designs comprises a plate 1 having an aperture 2 therein of regular shape, and a template 4 fitting the aperture 2, the template having shaped ruling edges 6 and being rotatable within the aperture 2, there being provided registration means for determining the orientation of the template 5 within the aperture 2. As shown, a handle 7 is attached to the template 5 and is provided with pins (14, Fig. 3) fitting in apertures 4 to hold the template 5 in position. In a modification, the registration means may comprise notches (17, Fig. 8) in the plate 1 into which a projection (18) on the template (5) fits. The aperture may be circular, polygonal as shown, or square (Fig. 10). In the case of a square aperture, the template may span the aperture which may be filled by a board (21, Fig. 11) supporting drawing paper (26), the board and the plate being complementarily chamfered to hold the paper in place.
Patent GB-1230159-A (GB)
IPC: G21C17/025
Filed: 1968-11-11
Abstract: 1,230,159. Nuclear resonance absorption detector. UNITED STATES ATOMIC ENERGY COMMISSION. Nov. 11, 1968 [Dec. 13, 1967], No.53313/68. Heading G1N. Vapour bubbles in a liquid metal or liquid droplets in a metal vapour are detected by measuring the energy absorbed by the metal flowing through an electrically conductive tube 3 when energy at the nuclear resonance absorption frequency of the metal is applied to the metal via a coil 2. As shown, the coil 2 is connected in an oscillator 4 and the energy unabsorbed by the metal is picked up by an antenna 7, amplified, and passed to an amplitude discriminator which allows only those signals below or above a threshold, i.e. due to a bubble or droplet passing through coil 2, to pass to a count rate meter and a recorder to give an indication of their size, rate, or liquid to vapour ratio. Alternatively, the signal at the output 24 of the oscillator due to the detection of a bubble or droplet causing detuning of the oscillator, may pass directly to the amplitude discriminator. In a modification, Fig. 3 (not shown), the oscillator includes a crystal oscillator (31) which oscillates at the nuclear resonance absorption frequency of the metal, and when the oscillator comprising coil 2 and capacitor (30) is detuned, due to detection of a bubble or droplet, an output is obtained which is a function of the difference in amplitudes of the signal from the crystal oscillator, which acts as the threshold, and the signal from the detuned oscillator. The metal may be mercury or sodium, and the pipe 3 may be made of stainless steel.
Patent GB-1233814-A (GB)
IPC: G03G15/08
Filed: 1969-05-21
Abstract: 1,233,814. Electro-photographic developing apparatus. RANK XEROX Ltd. May 21, 1969 [May 24, 1968], No.26010/69. Heading G2H. Plates 351, 355 Fig.5 (of Nesa glass) are periodically energized to attract toner thereto,  so that its concentration may be determined and a further toner added if necessary. Toner and carrier particles from a sump (not shown) tumble down between a photo-conductive belt 12 and a development electrode 210 to a chute 223 and are returned to the sump for recirculation by screw conveyors 225, 245 and a vertical bucketconveyor (not shown). Some particles are conveyed by a chute 341 to a housing 340 containing the plates 351, 355. These particles are split into two roughly equal streams by a baffle 345 and a small amount of each stream is allowed to flow over plates 351, 355 by spacings between these plates and gates 349, 353. Light from a lamp LMP-1 illuminates a photo-cell P-1 through the plates 351, 355. A timer 360, Fig.10 (not shown) comprises three switch-operating, cams (365-367) operated by a motor (M6). In any cycle, of six seconds cam (367) energizes plates 351, 355 for ¢ a second, so as to attract toner, and cam (366) switches the cell P-1 into circuit for 1/10 sec. The resistance of the cell, which depends on toner density, is compared with a predetermined value by a Schmitt Trigger 379, Fig.9 (not shown) which sends a pulse (if this resistance is too high) to energize a motor M-10 for a predetermined period. For the remainder of the six seconds the plates 351, 355 are energized to repel toner. On energization motor M-10 reciprocates an apertured plate 304 so that fresh toner passes therethrough from a tank 300, spilling over the edges of a stationary plate 303 into the screw conveyor 225 which mixes it with old developer. A solenoid-operated weight 327 periodically thumps the tank 300 to assist toner passage.
Patent GB-1238296-A (GB)
IPC: A47B65/00
Filed: 1967-11-14
Abstract: 1,238,296. Filing papers. E. E. THEOBALD. 13 Nov., 1968 [14 Nov., 1967; 3 April, 1968], Nos. 51844/67 and 16062/68. Heading B6E. [Also in Division A4] A holder for books and like flat articles comprises an L-shaped structure, having a base 1 and an upstanding abutment 2, and a spirally coiled steel strip 3 forming a spring 4 which is uncoiled to receive and grip books &c. between the abutment and the coil. A flat end 5 of the spring is riveted beneath the base and felt 7 is adhered to the undersurface of the end 5. A holder for an electric lamp bulb may be supported by a flexible tube mounted on the abutment which carries a switch and, in modifications, two springs uncoil in opposite directions from an abutment which may be formed by folding a metal plate on itself, the ends of the plate being bent outwards to form bases. A card holder (Fig. 5) has side walls 16 and a pressure plate 19 is interposed between the coil and the cards, the holder being bent up from a metal blank, formed of wood or plastics material, or moulded in plastics material.
Patent GB-1251084-A (GB)
IPC: G01K7/04
Filed: 1969-02-14
Abstract: 1,251,084. Thermocouples. S. COUDRIER. 14 Feb., 1969 [14 Feb., 1968], No. 8097/69. Heading H1K. A thermocouple comprises two areas of dissimilar metals deposited on an insulating core so that they form a junction at a localized region, the assembly being sheathed with insulating material which leaves exposed parts of the metal areas remote from the junction to provide connection points. As shown, Fig. 1, a thermocouple comprises an insulating rod a having deposited layers b, c of Pt and Pt-Rh respectively on opposite sides forming a junction at d. An alumina coating e is deposited over the surface leaving the ends of the tracks free for the provision of contacts. In a modification Fig. 2 (not shown), the coating is replaced by a metal sheath filled with insulating material and having spacers to locate the thermocouple within it. Such an arrangement may be plugged into the end of a tubular insulating holder which is provided with two conductors terminated by spring contacts which engage the ends of the deposited thermocouple limbs. The thermoelectric materials may also be Fe : constantan or Ni-Cr : Ni, and may be deposited by silk screen printing or by sputtering.
Patent GB-1257430-A (GB)
IPC: G08B13/183
Filed: 1970-05-19
Abstract: 1,257,430. Alarm. AMF Inc. 19 May, 1970 [15 Oct., 1969], No. 24159/70. Heading G4N. An alarm circuit has a photo-cell 27, which detects any change in the ambient illumination due to an intruder. The circuit is mounted inside a box, which includes a battery supply. Potentiometer 39 is adjusted so that under normal lighting conditions transistor 40 is non- conducting. When the illumination on photo-cell 27 falls this causes transistor 40 to be biased to the conducting condition, which in turn triggers thyristor 44, so that current is able to pass through the audible alarm 24. The current carried by transistor 40 is monitored by means of meter 20. In alternative embodiments a remote alarm may be provided, this alarm may include an independent power supply and may be triggered by means of a relay included in the detector device.
Patent GB-1257895-A (GB)
IPC: H01L25/03
Filed: 1970-05-11
Abstract: 1,257,895. Semi-conductor devices. SIEMENS A.G. 11 May, 1970 [10 May, 1969], No. 22737/70. Heading H1K. Each rectifier element 2 of a plurality of elements is compressed between a bus-bar 3 common to all the elements and a presser member 11 by means of a device 5 operating between the member 11 and a bar 40 constituting one side of a frame enclosing the element 2, the opposite side of the frame being constituted by the bus-bar 3. The bus-bar 3 has a duct therethrough for the passage of cooling fluid, and a similar duct passes through the presser member 11, cooling fluid passing through this duct being carried to the presser members such as 12 associated with the other elements by way of flexible couplings 131. The bar 40 is preferably made of an electrically insulating resilient material. The remaining sides of the frame around each element may comprise pins such as 42 which, together with distance pieces 61-63, clamp the bar 40 to the bus-bar 3. The device 5 may include a stack of spring washers which urge the presser member 11 into contact with the element 2. In a modification two assemblies such as that shown may be mounted back-toback with bus-bars urged together by throughbolts but separated by an insulating plate. The elements such as 2 may be controllable or non- controllable rectifiers.
Patent GB-1258450-A (GB)
IPC: H01F30/10
Filed: 1969-02-11
Abstract: 1,258,450. Inductance devices. ERIK SUNDBERG A.B. 11 Feb., 1969 [15 Feb., 1968], No. 7401/69. Heading HIT. A transformer or inductor is secured to a base or a terminal board is secured to the transformer by two-part fastening devices of which one part is secured to, and preferably moulded integrally with, the bobbin for the windings. Thus resilient hook 7,11, Fig. 5. may engage holes 10, 12 of a plate 9, Fig. 6.
Patent GB-1259523-A (GB)
IPC: H01M4/86
Filed: 1969-01-31
Abstract: 1,259,523. Electrocatalysts. MATSUSHITA ELECTRIC INDUSTRIAL CO. Ltd. 31 Jan., 1969 [31 Jan., 1968; 19 Sept., 1968; 20 Sept., 1968], No. 5482/69. Heading B1E. [Also in Division H1] An electrode comprises a catalyst consisting of a metal of the platinum group deposited on a carrier which is an intimate mixture of nickel or nickel boride together with copper, and optionally at least one metal of Fe, Ag, W or Co. In an example, a sintered nickel substrate is immersed in an aqueous solution of nickel nitrate and copper nitrate, and the salts are then reduced with hydrazine hydrate. The substrate is then immersed in butyl alcohol containing palladium chloride and HCl. In another example, a mixture of nickel boride and copper are deposited on active carbon by adding an aqueous solution of nickel nitrate and copper nitrate to active carbon and reducing with sodium borohydride. Pt. is then deposited and the thus treated active carbon and a fluorocarbon resin binder are moulded under pressure with a metal screen disposed centrally thereof.
Patent GB-1266047-A (GB)
IPC: H04N1/44
Filed: 1969-06-05
Abstract: 1,266,047. Facsimile transmission systems. TELEFUNKEN PATENTVERWERTUNGS G.m.b.H. 5 June, 1969 [12 June, 1968], No. 28614/69. Headings H4F and H4P. Continuously variable facsimile signals are sampled at regular intervals and quantized to provide a series of n-bit words. To reduce redundancy in the series some of the words representing black and white levels are converted to single bit form, the remaining words being unchanged. In a first embodiment, Fig. 2, the analogue signals NF pass to an analogue-digital converter 1 and to a circuit comprising threshold circuit 7, 6 and delay 10 giving an output d when NF is grey (apart from the grey inherent in a black to white transition). Converter 1 generates 4-bit words at a rate b, the most significant bit passing direct to m-bit shift register 12. The other 3 bits pass to the next 3 cells of the register only when gate 13 is enabled, as it is when bi-stable FF is set by d. Thus during grey signals, and subsequently until FF is reset, 4-bit words are read in to register 12, otherwise only single bit words are read in, the register being stepped at a rate 4b or b as appropriate. When register 12 is full its contents are transferred to store 2. The sampling pulses t (rate b) are counted at 19 from the instant when NF is no longer grey, i.e. when d is absent, but FF is not yet reset. If the counter, which is reset should NF again become grey, reaches a set count, e.g. 24, FF is reset by unit 14 when register 12 is full, so inhibiting gate 13. Unit 14 develops a signal indicating whether the next following register word stored in 2 from register 12 contains 4-bit words or 1-bit words, and how many register words with similar coding precede it. The signal also indicates how many places of the present register word contain 1-bit words. To avoid the need for this latter information the circuit of Fig. 2 may be modified, Fig. 3 (not shown), so that FF can change state only when the register 12 is full. This entails the use of m-bit delays between the a-d converter 1 and the register. To reconstitute the analogue signal an inverse process is employed, Fig. 6 (not shown).  In a further embodiment, Fig. 4 (not shown), an analogue signal (NF) is quantized, successive resulting n-bit words being compared (26). If adjacent words are identical a counter (31b) is incremented by 1, but if they are different the second of the words, together with the count, is passed to a store (via 34). The store's output is reconverted to analogue form by a circuit, Fig. 5 (not shown), in which the n-bit word is passed to a digital-analogue converter fed by clock pulses which also decrement the count. When the count reaches zero the next n-bit word and count are read from the store.
Patent GB-1266298-A (GB)
IPC: F21K5/14
Filed: 1970-12-10
Abstract: 1,266,298. Flash-bulbs. GTE SYLVANIA Inc. Dec. 10, 1970 [Dec. 29, 1969], No. 58804/70. Heading G2L. [Also in Division C1] Fulminating material for use as the priming charge in a percussively ignitable flash-bulb has powdered titanium as one of its constituents. A preferred material has the following composition by weight titanium powder 48À01%  potassium chlorate 24À85% red phosphorus 24À85% hydroxyethylcellulose 1À30% magnesium oxide 0À66% sodium lignin sulphonate 0À23% sodium 2-ethyl-hexylsulphate 0À03% trichlorophenol 0À04% sulphur 0À03% sufficient water being added to give the required viscosity for application. The amount of titanium present may vary between 10% and 90% and the phosphorus to chlorate ratio is between 0À5 and 2À0. The sodium 2-ethyl-hexylsulphate is a microbicide which retards mould development during storage of the material.
Patent GB-1289031-A (GB)
IPC: B21H3/04
Filed: 1970-05-12
Abstract: 1289031 Rolling J M PLAGEMANN [trading as PEE-WEE MASCHINEN UND APPARATEBAU WERNER PLAGEMANN] 12 May 1970 [23 May 1969] 22967/70 Heading B3M A method of rolling metal workpieces to form threads or gears comprises electrically heating the workpieces to a preheat temperature during rotation of the workpieces between rolls 6, 7 immediately before the rolling operation. A carriage 3 carrying the roll 7 is hydraulically moved towards a workpiece 9 until it touches the workpiece with a preset contacting pressure which activates a monitor 34 to switch on a heating current with a delay. The heating current is applied to the workpiece 9 by a low voltage heater 22 which is connected to the machine bed 1 and the stationary spindle stand 2, the spindle stand 2 and workpiece holder 8 being insulated relative to the machine bed 1 by an insulating plate 33. The workpiece is heated to the preheat temperature, which is measured and verified by an infra-red measuring head 38, after which the hydraulic pressure moving the carriage 3 is increased to start the rolling operation. The switching off of the heating current occurs either at the same time or, by means of a disjuncture switch 36, a short time before the end of the rolling operation. In the case of workpieces having small diameters, the preheat temperature may be reached in less than one revolution of the rolls by using rolls 6a, 7a having a periphery which contains a contact portion and a profiled portion. The switching of the heating current on and off and the control of the force between the rolls is effected by endof-travel switches 54, 55 being actuated by cams 52 and 53, mounted on a roll shaft.
Patent GB-1295265-A (GB)
IPC: D04B23/08
Filed: 1969-12-05
Abstract: 1295265 Knitting MANUFACTURES JEAN-BAPTISTE MARTIN JEAN MARTIN ANDRE CHARBIN & CIE 5 Dec 1969 [20 Dec 1968] 59437/69 Heading D1C In a method of knitting pile fabric on a two bed warp machine, each bed 1, 2 knits a ground fabric, the two being connected by pile threads 5 which are cut by a vertical knife 8 between the needle beds. The knife may comprise a reciprocatory blade having two edges 8a, 8b or a reciprocatory or continuously moving band blade. (For Figures see next column)
Patent GB-1295851-A (GB)
IPC: H01M8/04
Filed: 1969-03-10
Abstract: 1295851 Fuel cells ENERGY CONVERSION Ltd 19 Feb 1970 [10 March 1969] 12552/69 Heading H1B Cell reversal is prevented in a fuel cell comprising a plurality of cells with a common electrolyte, by applying an electrical potential across each cell during start-up and shut-down. The potential may be applied from separate secondary windings Ts1 to Tsn of a transformer T via rectifier means such as diodes d1 to dn for each cell C1 to Cn. The primary winding Tp is fed from an A.C. supply mains or a squarewave inverter supplied from a start-up battery to provide an output of 500 mV to each cell.
Patent GB-1302263-A (GB)
IPC: D04B15/66
Filed: 1970-06-06
Abstract: 1302263 Programmed control of textile machines STIBBE MACHINERY Ltd 10 May 1971 [6 June 1970] 27485/70 Heading G3N [Also in Division D1] A reading head for a pattern tape in a knitting machine (see Division D1-2) comprises fibreoptic light guides at each face of the tape.