baber/WOPTO huggingface dataset:
Patent GB-1473330-A (GB)
Title: Isotope separation process
IPC: H01S3/22
Filed: 1974-09-30
Abstract: 1473330 Isotopic separation; UF 6  EXXON RESEARCH & ENG CO 30 Sept 1974 [23 Oct 1973] 42333/74 Heading C1A [Also in Division G6]  Isotopes of an element are separated by the steps of (1) the isotopically selective exciting of gas phase molecules by multiple infrared photon absorption by subjecting the molecules to irradiation with an I.R. laser at a power density of at least 10<SP>4</SP> watts per cm<SP>2</SP> per torr pressure of said gas molecules for a time of between 10<SP>-10</SP> and 5 Î 10<SP>-5</SP> seconds and wherein a second gas is present along with said first gas said second gas partial pressure being at least 5 times the partial pressure of said first gas whereby the molecules containing the desired isotope or isotopes are preferentially excited and absorb more than one quantum of I.R. radiation (2) converting the excited molecules by a process which said molecules which have not been excited do not undergo or do not undergo as rapidly into a form in which said excited molecules may be separated from the non-excited molecules and (3) separating said converted molecules. Step (2) can be carried out by irradiation with visible or U.V. light from a second laser to effect photodissociation. The second gas may be selected from hydrogen, nitrogen, oxygen, helium, neon, argon, krypton or xenon. The process is exemplified by the treatment of gaseous UF 6 .
Patent GB-1071769-A (GB)
Title: Process for the production of adipic acid
IPC: C07C51/31
Filed: 1964-10-21
Abstract: In a process for the preparation of adipic acid by the oxidation of cyclohexanone and/or cyclohexanol with nitric acid the pure product is washed and the crude product recrystallized and subsequently washed using substantially the same quantity of water in a closed circuit. In the separation of the adipic acid two stages of concentration and centrifuging are described in which the mother liquor separated in the first concentrator and centrifuge is concentrated to the 58% nitric acid required for the oxidation and the water condensate used as a fresh water wash for the pure adipic acid in the second centrifuge.  The mother liquor obtained from the second centrifuge and concentrator was recycled for washing in the first centrifuge.
Patent GB-1119829-A (GB)
Title: Adhesive compositions
Inventor: ALDRED DEREK HARRY
IPC: C08G65/40
Filed: 1964-10-21
Abstract: Compositions useful for bonding synthetic fibrous material to natural or synthetic rubber, comprise the reaction products of a 1:3:5-tri-substituted 2:4:6 - trioxohexahydro-s-triazine with a substituted phenol in conjunction with adhesive aids which are natural or synthetic rubber latices and/or water-soluble resins of the phenol-aldehyde type.  Suitable triazine compounds are those of the formula <FORM:1119829/C3/1> wherein R is CH2=CHCH2-, CH3(CH2)7CH=CH (CH2)8-, or N-C3H7- and the substituted phenol may be a dihydroxy-benzene or naphthalene, a tri-hydroxy-benzene or naphthalene, monoalkoxy-monohydroxy benzenes or naphthalenes or dialkoxy - monohydroxy benzenes or naphthalenes. The reaction product of substituted phenol with substituted triazine may be reacted with formaldehyde.  In examples, various substituted triazine-substituted phenol reaction products (optionally reacted with formaldehyde) are blended with a mixture comprising resorcinol, formaldehyde, water and a terpolymer of styrene, vinyl pyridine and butadiene to give a one-stage adhesive composition.ALSO:Tyre cords of polyethylene terephthalate may be moulded into rubber to produce U-shaped loops of cord embedded in the rubber by first treating the cords with an adhesive composition comprising the reaction product of a 1:3:5-trisubstituted 2:4:6-trioxohexahydro-s-triazine with a substituted phenol in admixture with adhesive aids which are natural or synthetic rubber latices and/or water soluble resins of the phenol-aldehyde type then moulding the treated cords into natural rubber at 150 DEG C.  Examples describe the use of adhesive compositions prepared from 1:3:5-allyl-2:4:6-trioxohexahydro-s-triazine and resorcinol or 3-methoxy phenol in the presence or absence of formaldehyde and from 1:3:5-tripropyl-2:4:6-trioxomexahydro-s-triazine, resorcinal and formaldehyde admixed with resorcinol, formaldehyde, water and a terpolymer of styrene, vinyl pyridine and butadiene.
Patent GB-1439387-A (GB)
Title: Method and apparatus for erecting offshore platforms
IPC: E02B17/02
Filed: 1973-09-13
Abstract: 1439387 Step-by-step jacks MARINE ENG CO CA 13 Sept 1973 [23 April 1973] 43102/73 Heading B8J [Also in Division E1] An offshore structure comprises a foundation member 2 having one or more upstanding caissons 6, 8, 10 and a floatable platform 4 having a deck 38 provided with openings 20, 22, 24 engageable about the caissons, and one or more jacking legs 74 extending through deck 38 and pivotally attached to a cap 72 co-operable with the top of a caisson, the legs being pivotably connected to the deck 38 by jacking units 126 which permit upward but not downward movement of the platform relative to the foundation due to wave motion without affecting the normal jacking action. Each jacking unit comprises two sets of wedge-like gripping members 150 mounted in holders 142, 194 connected by pistons 211 and cylinders 210, each set may be moved into or out of gripping engagement with the associated leg 74 by a disc 172, Fig. 16, moved by an actuator 180 a manually releasable pin 199 locking the ring in the gripping position. Springs 190 mounted between the gripping members 150 and the ring 172 allow part-retraction of the members 150 whilst the associated holder 142 or 194 is moving upwardly relative to the leg 74 either by the action of pistons 211 and cylinders 210 or by wave motion.
Patent GB-1480714-A (GB)
Title: Ultrasonic cleaning apparatus
IPC: B08B3/12
Filed: 1975-10-21
Abstract: 1480714 Ultrasonic cleaning of pipes S K USHANOV V M FRIDMAN J I KITAIGORDSKY and K A KUUSIK 21 Oct 1975 43171/75 Heading F2N [Also in Division C7] A device for ultrasonic cleaning comprises a bath 6, divided into two regions by a baffle 7, holding a detergent liquid, e.g. 10% caustic soda, ultrasonic transducers 23, a trough 11 for supporting articles to be cleaned which is urged towards the bottom of said bath by springs, and a pulsed supply of detergent to said bath. In use, the trough is vibrated by movement against the springs by means of the detergent supplied to the trough impinging on baffles (18) attached to said trough; or by increase in the pressure of the detergent supply. The pulsed supply is achieved by an impulse pump 24 and the detergent is recycled via filter 28 and pipe 32 from the overflow region 8 of the tank where grease film is removed via outlet 9. In another embodiment (Figs. 3, 4, not shown) the trough 11 is urged against a framework (46) secured by spring loaded hydraulic devices (41) to the floor of the bath and the pulse supply is achieved by a circulation pump (33) and a pulse valve (34). The pulse valve (34) is electrically operated and when open allows detergent to be fed to the tank but when closed causes an overpressure in the fluid supply to activate the spring loaded hydraulic devices to shake the trough. The apparatus may be used for removing dirt and grease from metal or plastics parts such as draw plates, watch components or automobile nozzles.
Patent GB-1203824-A (GB)
Title: Improvements relating to fibre-reactive disazo dyestuffs, their production and use
IPC: C09B62/01
Filed: 1968-09-12
Abstract: 1,203,824. Reactive disazo dyestuffs. J. R. GEIGY A.G. 12 Sept., 1968 [13 Sept., 1967], No. 43401/68. Heading C4P. The invention comprises fibre reactive dyestuffs of general formula wherein A is an optionally substituted phenyl or naphthyl radical; B is a coupling component radical; Q is an optionally substituted m- or pphenylene radical; Y is a fibre-reactive group (i.e. forms a covalent bond with the substrate) present in A and/or B; Z is a salt-forming water solubilizing group present in any part of the molecule and which dissociates in neutral water to give an acid reaction; n is 1 or 2 and m is 1 to 7, coupling component radicals B include anilines, phenols, naphthols, naphthylamines or amino naphthols which may be sulphonated; pyrazolones, aminopyrazolones and pyrimidines. Z is preferably a sulphonic, carboxylic acid phosphonic or disulphimide group. The fibre-reactive groups Y include acid radicals which may be unsaturated containing fibre-reactive halogen; nitrohalobenzene carboxylic and sulphonic acids; halo pyrimidines and triazines linked via an imino, acylamino or sulphonylamino group to the dyestuff; halobenzthiazole, quinoxaline, pyridazine or phthalazine carboxylic or sulphonic acids; esterified #-hydroxyalkylsulphone and sulphamoyl groups, and heterocyclic compounds bearing an ammonium or hydrazinium group. The dyestuffs are prepared by diazotisation and coupling or by acylation of a corresponding aminodisazodyestuff. Intermediate monoazo dyestuffs are also prepared. The dyes give orange, red and scarlet shades on cellulosic and natural and synthetic polyamides.
Patent GB-1526397-A (GB)
Title: Heat-recoverable article suitable for high voltage use
IPC: B29C61/06
Filed: 1974-10-08
Abstract: 1526397 Sealing cable joints and terminations RAYCHEM Ltd 7 Oct 1975 [8 Oct 1974] 43613/74 Heading H2E A heat-shrinkable sleeve 8 for use as a cover for terminations or splices of high voltage electric cables has an outer surface 9 with an initial tracking voltage as measured according to ASTM D2303 (see Specification) of 2À5 kV., and an inner surface at least a portion 10 of which has "stress-grading" electrical characteristics, that is it provides a smooth field between inner and outer conductors. The sleeve may be formed by coating a heat-shrinkable tube, of any of a number of polymeric materials containing anti-tracking filler of hydrated alumina, on its inner surface with a matrix containing a filler (such as carbon black, silicon carbide or flakey metals) having stress-grading properties or alternatively by telescoping a tube of the stress-grading material, particularly if the matrix is solid, into a tube of "anti-tracking'' material and employing the heat-shrinking step to force the mating surfaces into intimate contact. A sleeve in which a single layer tube of a heat shrinkable polymer has the antitracking and stress-grading properties imparted to its outer and inner surfaces respectively is also disclosed. In each of the above sleeves, the ingress of moisture may be prevented by a coating 11, 11A of adhesive or mastic between the sleeve and cable and, particularly for outdoor use, water shedding formations may be provided on the outer surface.
Patent GB-1313739-A (GB)
Title: Catalytic converter and use thereof for converting engine exhaustgas
IPC: F01N3/28
Filed: 1970-09-15
Abstract: 1313739 Purifying exhaust gases UNIVERSAL OIL PRODUCTS CO 15 Sept 1970 [18 Sept 1969] 43907/70 Heading F1B An engine exhaust gas converter vessel comprises a tubular housing 1, Fig. 1 having ports 15, 18 in opposing sealed end sections, a tapered tubular form perforate section, forming with the housing 1 a manifold 25 and surrounding a central tubular perforate section 24 to provide an annular-form catalyst retaining section 23, the open end of the central perforate section being connected with a port and its opposite end connecting slideably with the interior end of the tapered section. A catalyst reservoir 36 may be mounted above the tapered section. The housing may be covered with an insulator e. g. asbestos or mineral wool. In another embodiment the housing is tapered to effect an increase in the crosssectional area of the manifold section from a location laterally adjacent a narrower open end of the tapered section to a location adjacent a wider interior closed end. Catalysts: Chromium, copper, nickel, platinum, singly or in combination of two or more composited with an inorganic refractory support material such as alumina, silica-alumina, silicaalumina-zirconia, silica-thoria and silica boria.
Patent GB-1197094-A (GB)
Title: Improvements in or relating to Photographic Silver Halide Emulsions
IPC: C07D235/08
Filed: 1967-09-27
Abstract: 1,197,094. Beryimidazoles; sulphones; sulphonamides. FUJI SHASHIN FILM K.K. 27 Sept., 1967 [28 Sept., 1966], No. 44086/67. Heading C2C. [Also in Divisions C4 and G2] The compound of the Formula I and the corresponding compounds wherein the morpholino group is replaced by piperidino or ethylamino are made by heating with zinc dust acetic acid and acetic anhydride, N-ethyl- 5 - chloro - 4 - morpholinosulphonyl - 2 - nitro -  anidine of the corresponding piperidino or ethylamino compounds prepared by reacting ethylamine with 1 : 5-dichloro-4-morpholinosulphonyl-2-nitrobenzene of the appropriate piperidino or ethylamino compound. The latter are made by reacting morpholine, piperidine or ethylamine with 2:4-dichloro-5-nitrobenzene sulphonyl chloride. The N-ethyl-benzimidazolium p-toluene sulphonate corresponding to the compound of Formula I above is made by reacting the compound of Formula I with ethyl p-toluene sulphonate. The compound of the formula and the corresponding compounds where the morpholino group is replaced by piperidino or ethylamino are made by reacting the compound of Formula I above or the appropriate piperidino or ethylamino compound with sodium iodopropane sulphonate.
Patent GB-1118569-A (GB)
Title: Mechanical energy exchange between two fluid media
IPC: F02K7/18
Filed: 1965-10-19
Abstract: 1,118,569. Jet propulsion plant; compressing gases. F. BERNER. Oct. 19, 1965 [Oct. 20, 1965], No.44277/65. Headings F1J and F1N. The invention relates to a jet propulsion system which comprises the combination in series flow of a crypto steady energy exchanger and a crypto wave energy exchanger the gases from which discharge through a propulsion nozzle. A crypto steady exchanger is one in which gaseous fluid issues in the form of a series of radially extending pseudo blades which are acted on by an air flow which causes them to rotate in the manner of a turbine and which at the same time act on the air flow in the manner of a compressor. A crypto wave exchanger is one in which shots or slugs of gas are passed through passages to act as pseudo pistons thereby acting to compress charges of secondary fluid. The apparatus shown in Fig. 1 comprises an outer casing 11 and two axially spaced centre bodies 12 and 5, the centre body 12 defining with the casing an annular air inlet 10 across which extend a number of struts 13. A rocket type combustion chamber 1 is disposed within the centre body 12, gases from the chamber discharging through a series of elongated openings 3a, Fig. 1c, in a rotary distributor 3. The jets of gases act as turbine blades and are acted on by the air flow through the inlet 10 which causes the distributor to be rotated, the jets of gases at the same time act as compressor blades and act on the air flow. The crypto wave exchanger is formed by a plurality of radial walls 14 which extend between the centre body 5 and the casing 11 to define a series of axial flow passages 15. The gas from the steady exchanger 4 enters the passages in the form of separate slugs which act in the form of pseudo pistons and compress charges of secondary fluid. A reheat combustion zone is provided at 16 and a propulsion nozzle at 17. The underlying theory is fully set forth.
Patent GB-1182368-A (GB)
Title: Improvements relating to Fuel Cells
Inventor: DAVIS HERBERT JOHN
IPC: H01M8/14
Filed: 1968-09-19
Abstract: 1,182,368. Fuel cell. FERRANTI Ltd. 19 Sept., 1968 [20 Sept., 1967], No. 44599/68. Heading H2B. The creepage of a molten carbonate electrolyte on a surface in a fuel cell is reduced by coating at least part of the surface with a material having anti-wetting properties towards the electrolyte. For an electrode pore surface a discontinuous lead film may be formed thereon by soaking the electrode in a lead acetate solution, drying and then heating in a reducing atmosphere. If the surface is not part of the conductive path a layer, which may be continuous, of a non-conducting metallic oxide, e.g. PbO or Bi 2 O 3 , having a melting point in excess of the cell operating temperature, may be formed thereon by applying the molten oxide to the surface and cooling. In the embodiment shown, an outer frame 10 supports upper and lower pairs of spaced concentric tubes 12, 14, preferably made of stainless steel, alumina or mullite and which may have a continuous coating of PbO or Bi 2 O 3 . Wafer 15 comprising a mixture of lithium, sodium and potassium carbonates with an inert filler, e.g. MgO, supported between the inner ends of the outer tubes 12. A silver electrode 16U and a nickel electrode 16L, the pores of which may have a discontinuous lead coating, are in contact with wafer 15. Compression springs 20 retain inner cylinders 14 in position. Gas inlet lines 26 and exit passages 28 are provided. A silver lead 17 is attached to each metal sleeve 22, the latter being placed in conducting connection with its adjacent metal gas pipe 26. Each pipe 26 is connected by a silver lead 18 to the adjacent electrode 16.
Patent GB-1100777-A (GB)
Title: Sheet cutting and sorting apparatus
IPC: B23Q7/12
Filed: 1966-10-06
Abstract: 1,100,777. Discharging from endless conveyers. BUDD CO. 6 Oct., 1966 [6 Oct., 1965], No. 44730/66. Heading B8A. [Also in Division B6] Apparatus for cutting and sorting sheet metal blanks of two different shapes comprises shearing blades 10 oscillatable about the centre line of a pair of endless conveyers 11, 18 which deliver the cut blanks to bins B1, B2, and a switching system associated with the blades 10 and the downstream conveyer 18 causing adjacent blanks to be discharged into different bins. A blank of a shape to fit bin B1 passes from the upper run of conveyer 11 straight into the bin B1. As the blades 10 are oscillated to cut the next blank to fit bin B2, a switch 21 is operated by the blades, which operates a holding relay R to energize electromagnets 15 spaced above the lower run of the conveyer 18. The second metal blank is thereby held to the conveyer 18 by magnets 15 and subsequently by permanent magnets 16 until it is fed into the bin B-2. A switch lever 22, downstream of the magnets 15 is opened by the last said blank and de-energizes the relay R and the system is thereby ready to receive the next blank into bin B1. Each bin comprises side walls which are adjustable in plan to suit the shape of blank being delivered. The downstream wall of each bin comprises bottom weighted suspended guide plates which when disturbed by a blank being delivered, swing and knock the blank into alignment with the existing stack. The base of each bin is formed by rollers mounted inclined to the floor.
Patent GB-1200016-A (GB)
Title: Combined web guider and selvage uncurler
IPC: D06C3/06
Filed: 1968-09-20
Abstract: 1,200,016. Feeding webs. MOUNT HOPE MACHINERY Ltd. 20 Sept., 1968 [21 Sept., 1967], No.44759/68. Heading B8R. An apparatus for guiding a web in a longitudinal path and for uncurling the selvages of the web comprises a pair of rotary wheels 12, 14 engaging each selvage and driven by an air motor 42, and two sensors 50 spaced apart the desired width of the web, and adapted to slow down the corresponding air motor 42 when the corresponding selvage moves outwardly. The axles of the wheels 12, 14 are mounted on bearings 22, 26 which can be angularly adjusted in spherical clamps 28, 32 on a U-shaped bracket 36 so that the rows of rubber teeth 12, 16 on the wheels interengage over an arcuate sector usually centred at the point y in Fig. 2. The axles may be longitudinally adjustable in their bearings. The air motor 42 drives the wheel 10 through reduction gears 23 and the other wheel 14 is driven by interengagement of the teeth. The air motors 42 are supplied with air through a solenoid valve 72, and through a filter 70, a pressure regulating valve 68 and a lubricator 66. The branch line to each motor 42 has a manual needle valve 62 and a bleed valve which is controlled by a sensor 50. The latter comprises a pivoted selvage contacting finger (48) carrying a conical valve element (47) seating in an air bleed passage (45) in a valve block (76). The finger is biased to close the valve and to contact the selvage by an adjustable spring (90). Photo-electric cells may be used to detect the selvages and variable speed motors used instead of air motors.
Patent GB-1526039-A (GB)
Title: Silicone hydraulic fluids
IPC: C10M111/04
Filed: 1976-10-28
Abstract: 1526039 Silicone fluids containing tri-alkoxyalkyl phosphates UNION CARBIDE CORP 28 Oct 1976 [29 Oct 1975] 44842/76 Heading C3T [Also in Division C5] An hydraulic fluid comprises (A) 50-99% (weight) of a silicone of the formula:- where R is the hydrocarbyl residue or mixture of residues of an alcohol or mixture of alcohols and n is an integer from 5 to 200, and (B) 1- 50% (weight) of a phosphate of the formula:- where each of R<SP>1</SP>, R<SP>11</SP> and R<SP>111</SP> is an alkyl group up to hexyl, X, Y and Z are oxyalkylene units in which the alkylene groups are ethylene or propylene or a mixture of these, and t m and r are integers from 1 to 6. Component (A) may also contain a minor proportion of the alcohol ROH. The phosphate improves the watertolerance and rubber-swell characteristics of the siloxane.
Patent GB-1085840-A (GB)
Title: Roulette supervising device
Inventor: DAHL FRANCK MORITZ HENRY
IPC: A63F5/00
Filed: 1963-11-13
Abstract: 1,085,840. Electric selective signalling. F. M. H. DAHL. Nov. 9, 1964 [Nov. 13, 1963], No. 44873/63. Heading G4H. The change of impedance of an element 20 (Fig. 4) located adjacent each stake zone of a gaming table is tested each gaming round to detect the placing of a metal token in the stake zone. The impedance element may be an in ductance coil surrounding the area or a capacitor comprising a metal sheet divided into two parts by a zig-zag cut covering the stake area. In a first embodiment the variable impedances control oscillators 30 selected sequentially by a stepping switch 34 and the frequencies are mixed 36 with a fixed frequency 32, the I.F. amplified 38 and applied to a counter 40. The stepping switch 34 is started by a rotation sensitive trigger 24 associated with the roulette. In a second embodiment oscillators (122A . . . N, Fig. 5, not shown) associated with impedances (120A . . . N) and with relay activated switches (125A . . . N) are energized in turn through a stepping switch (130) and variations in frequency are detected by a surrounding coil (15) connected to mix (170) with a fixed frequency (172) and pass through a filter (174) which only passes that I.F. corresponding to no stake to operate a relay (200) after amplification (176) such that absence of a stake opens a switch (202) but presence of a stake leaves the switch (202) closed to operate a stake counter (190). The relay (200) also operates a switch (201) which, if left closed indicating a stake, and if this position corresponds to a winning position (138) and operating an associated relay (136) and switch (137), advances a winnings counter (140). The winnings indicator (138A) comprises a disc (4, Fig. 6, not shown) coupled to the roulette (12) and containing coded apertures (5) corresponding to the markings of the roulette disc, and photo-electric cells beneath the disc receive light from a source (7) through the apertures (5) to indicate the winning position. The apertures may be replaced by permanent magnets in coded positions coacting with magnetic switches beneath the disc.