baber/WOPTO huggingface dataset:
Patent GB-1436769-A (GB)
Title: Iluminating device
IPC: H04N5/66
Filed: 1973-08-07
Abstract: 1436769 Laminated electrical panel G E ELFVERSON 7 Aug 1973 [8 Aug 1972] 37387/73 Heading B5N [Also in Divisions F4 G5 and H2] A panel for distributing electric power to electrical devices comprises insulating plates alternating with conductive sheets, and means accessible from at least one edge of the panel to permit conducting sheets to be connected to an electric supply on to conducting sheets of an adjacent panel. Transpierceable, insulating plates 1 may be made of semi-rigid material such as polystyrene or expanded polyurethane or phenol formaldehyde, but must preferably be waterproof and non-flammable. Conducting sheets 2, which may include lattices and nettings, may be of commonly used electrical metal or alloy, typically 0À1 mm. thick. The panel A may be assembled with adhesive, and a decorative insulating skin 3 may be applied to a face. Semicircular recesses 4 in the plates 1, Fig. 1, house sockets 6 connected and attached to the sheets 2 so as to nest in upset edge portions 5. The sockets 6 may be used for connecting power supplies, or for coupling adjacent plates A, B, Fig. 3, with pegs 9.  The panel may be used to supply a plurality of electric bulbs (see Division H2) each having a stem portion comprising a pair of coaxial conductors of unequal lengths, the stem portion in use being caused to penetrate the panel to a predetermined depth, so that each conductor pierces a selected one of the conductive sheets and makes contact with it.
Patent GB-1485467-A (GB)
Title: Methods of providing sliding clasp fasteners in articles
IPC: A44B19/34
Filed: 1974-08-28
Abstract: 1485467 Sliding clasp fasteners OPTI PATENT - FORSCHUNGS-UND FABRIKATIONS-AG 28 Aug 1974 [1 Sept 1973] 37571/74 Heading E2S A sliding clasp fastener comprises a length of sliding clasp fastener chain 1, Fig. 3, a slider 12 mounted upon the chain, and an interconnecting thread 7 extending between the stringer tapes 8, 9 in a bottom end portion of the chain with rows of coupling elements 10, 11 of the bottom end portion 15 being in interengagement, the fastener being devoid of a bottom stop. A method of providing a sliding clasp fastener 1 in an opening 4 in the material of an article, e.g. a garment 5, according to the invention, comprises securing a length 1 of a sliding clasp fastener chain to the material on both sides of the opening 4 the length of chain having, in at least an end portion 15, an interconnecting thread 7 extending between the tapes 8, 9 of the fastener chain to hold the rows of coupling elements in the end portion in interengagement, the length of chain being secured in position with the end portion located beyond a normally closed end 16 of the opening whereby a slider 12 will move in the opening 4 no further than the normally closed end 16 of the opening so that the interconnecting thread in that end portion 15 remains intact and prevents disengagement of the coupling elements in that portion. As shown, the leading end of a length of chain, comprising the two warp-knitted tapes 8, 9 with the coupling elements 10, 11 interengaged and the tapes 2, 3 interconnected e.g. by an edge warp thread drawn from a spool, not shown, is sewn, at a sewing machine station 24, Fig. 5, into the garment opening 4 with the leading end portion 15 of the chain extending beyond the closed end 16 of the opening. After the garment, with the leading end of the chain attached thereto, has passed through the station 24 it is moved forward beneath the tool 25, 26 which severs the chain to provide an individual length 8, 9, Fig. 3, sewn to the garment 5, 5. The tool 25, 26, which is T-shaped, also severs the thread 7 at a projecting top end 18 of the chain which assists the fitment of the slider 12 thereto, the latter having a cutter 23, Fig. 4, which severs the thread as it moves down the fastener until it reaches the closed end 16 of the opening 14. The upper chain ends 18 are folded and sewn, in the positions indicated at 17, to provide top stops. An individual fastener can be completed Fig. 6 before being sewn into a garment, the fastener having top-stop clamps, or staples, 31, 31.
Patent GB-517060-A (GB)
Title: Improvements in or relating to stoppering and discharge devices for liquids or gasesunder pressure in containers
IPC: F16K1/02
Filed: 1938-12-30
Abstract: 517,060. Discharging liquids by fluid pressure. GRAVINER MANUFACTURING CO., Ltd., SALMOND. H. M., and MATHISEN, A. Dec. 30, 1938, No. 37845/38. [Class 102 (ii)] [Also in Group XXI] A device for storing liquids under gaseous pressure comprises a container closed by a plug having a frangible extension which is broken to open a discharge bar on the primary operation of means the secondary operation of which recloses the bore. The container 1 is closed by the plug 7 having a discharge bore 12 closed 'by a part 9 of the plug having thin walls and projecting into a cavity in a screw-operated member 21. On turning the screw the walls of the part 9 are broken and the liquid discharged through the pipe 25, the part 9 being moved, by fluid pressure, to the top of the cavity. The bore may be reclosed by screwing home the member 21 which, with the member 7, is furnished with mating conical surfaces. Specification. 458,429, is referred to.
Patent GB-908780-A (GB)
Title: Improvements in or relating to inorganic pigments for camouflage coatings
IPC: C09C1/00
Filed: 1957-12-05
Abstract: A pigment for use in camouflage coatings is produced by forming an aqueous slurry containing (a) a chloride or sulphate of magnesium, calcium, or zinc and (b) an oxide or hydroxide of magnesium, calcium, or zinc, an alkali metal silicate, or an alkali metal or ammonium phosphate; drying the slurry (after filtering if necessary) at a temperature not exceeding 180 DEG C. to obtain a hardened hydrated metal salt composition; comminuting if necessary; then either moistening the composition with ethyl silicate or precipitating chromium hydroxide on to the composition; and finally drying the composition.  The preferred particle size of the product is 0,5 to 60 microns.  The pigment may be incorporated in a paint base containing alkyd resins, chlorinated rubber, or polyurethanes to give a coating composition having infra-red reflection characteristics similar to those of natural flora.
Patent GB-1149397-A (GB)
Title: Photographic silver halide elements
IPC: G03C1/28
Filed: 1966-08-30
Abstract: 1,149,397. Photographic silver halide materials. FUJI SHASHIN FILM K.K. Aug.30, 1966 [Aug.30, 1965], No.38634/66. Heading G2C. A photographic element comprises a support coated with a silver halide emulsion red-sensitized with a dye of the formula I:- wherein R 3  is or salts thereof, R 2  is alkyl of less than 6 carbon atoms or allyl, R 1  has one of the values given above for R 2  and R 3  and Y completes a thiazole or benzoxazole ring, which emulsion is supersensitized by incorporating a compound of the formula II:- wherein R 4  and R 5  are each halogen, hydroxyl or -NHR 6  where R 6  is aryl or aralkyl and D is a hydrogen atom or an alkali-metal, ammonium or amine cation. The emulsion may contain the usual additives including a cyan-forming colour coupler. The supersensitizing compound of Formula II also prevents loss of sensitivity on storage of the element.
Patent GB-1240299-A (GB)
Title: A method for making a product for smoking
Inventor: SILVA ANTONIO ALVES DA
IPC: A24B15/16
Filed: 1968-08-14
Abstract: 1,240,299. Tobacco substitute. A. A. DA. SILVA BRAS. 14 Aug., 1968 [18 Aug., 1967], No. 38877/68. Heading A2C. A tobacco substitute is prepared from the leaves of plants of the family Araceae such as the taro plant, or the yam. The leaves may be completely dried naturally by hanging in the air while shaded from the sun, or may be partially dried in this way and then oven dried optionally in the presence of wood smoke. After drying the leaves are treated with molasses and flavours derived from liquorice root, chocolate and tonka bean. Alternatively, the dried leaves may be processed by softening in boiling water followed by addition of sugar syrup, by adding a tonka bean flavour and a solution of a mould preventing agent, by immersing for 24 hours in water containing liquorice root powder, or by mincing the leaves and sprinkling with a mixture of lemon oil and water.
Patent GB-351436-A (GB)
Title: Improvements in and relating to electric discharge devices
IPC: H03B11/02
Filed: 1929-12-19
Abstract: 351,436. Charging and discharging condensers. BRITISH THOMSONHOUSTON CO., Ltd., Crown House, Aldwych, London.-(Assignees of Peek, F. W.; 35, Waverly Place, Pittsfield, Massachusetts, U.S.A.) Dec. 19, 1929, No. 38949. Convention date, Dec. 27, 1928. Void [Published under Sect. 91 of the Acts]. [Class 38 (iv).] An impulse discharge is obtained across the terminals of an impedance 13 by discharging in series through spark gaps 15, 16, 17, condensers 3, 7, 11, which are charged in parallel from an A.C. source A through impedances 2, 5, one on each side of each condenser. The variable transient voltage across the impedance 13 is the sum of the condenser voltages decreased by a factor depending on the shape of the wave as determined by the chosen capacitance resistance and inductance in the short circuits. The last is shown as constituted be elements 4, 8, 12 next the condensers, but it may be a single element or otherwise arranged in the circuit. The gaps may be set to breakdown at any desired voltage up to the cord voltage of the charging current. Any number of stages may be employed. The impedances 2 may be in series in the lead from the charging source. To prevent the first gap discharging prematurely, high resistance non-productive elements may be inserted on either side or on both sides of it, each being shunted by a spark gap smaller than the main gaps.
Patent GB-1453717-A (GB)
Title: Manufacture of steel
IPC: C21C7/064
Filed: 1973-08-17
Abstract: 1453717 Refining steel BRITISH STEEL CORP 16 Aug 1974 [17 Aug 1973] 39003/73 Heading C7D Steel is deoxidized until the oxygen content together with 0À2 times the sulphur content amounts to less than 0À011%, after which there is added one or more rare earth metals or compounds containing them while the steel is agitated. In preferred embodiments the steel contains less than 0À007% oxygen and less than 0À02% sulphur before introduction of the rare earth metals, the addition of which lies between 0À1 and 10 kg for 0À01% of sulphur per ton of steel. Agitation may be electromagnetic, or by gas injection through a lance or porous plug, while the steel may be simultaneously heated by electric arc.
Patent GB-1147162-A (GB)
Title: Image reproduction apparatus
IPC: G03B27/46
Filed: 1966-09-02
Abstract: 1,147,162. Reproduction and processing of microfilm. INTERNATIONAL BUSINESS MACHINES CORP. Sept. 2, 1966 [Oct. 24, 1965], No.39207/66. Heading G2A. Copying apparatus, particularly for making and reading microfilm copies, can record an image from an input medium on to a microfilm chip, or an image of a microfilm chip on to an output medium, and includes an exposure station, a developing station, mechanical means for locating a film chip at a predetermined location, and means for transporting the chip between the said location, the exposure station and the developing station. The transporting means passes either the chip or the output medium e.g. a photo-sensitive aperture card, to the developing station, depending on which was exposed. The developing station, Fig. 2, may comprise a movable platen 53 and a fixed platen 53a, and the chip, which in this case comprises a diazo material, is placed between the platens by a carriage 66, and developed by high-pressure ammonia gas. The device has other features as in Specification 1,101, 214. Alternatively vesicular material may be used which is developed by heating. The exposure station, Figs. 3 and (4 not shown), is a contact printer which includes a window 99 which may be illuminated from either side by lamps, the exposure being controlled by a rotating circular shutter having a segment cut out therefrom. The locating means Fig. 5 (not shown) includes a picker head having a finger which enters into a slot in one of a number of similar chips contained in a cell which is positioned by the locating means. The chips and the input and output media may also carry punched data or magnetic strips on or off which the apparatus may write and/or read information.
Patent GB-1412666-A (GB)
Title: Cranes
IPC: B66D1/44
Filed: 1973-08-20
Abstract: 1412666 Controlling winches; cranes; grab buckets F E MOSLEY 20 Aug 1973 39253/73 Heading B8B [Also in Division F2]  An hydraulic control for a cable drum 25 in a crane includes an hydraulic motor 31 supplied with pressurized fluid from a pump 87 through a reversing spool valve 99 which has a neutral position in which fluid passes therethrough to tank 94, a forward position in which fluid passes through the motor 31 to tank, a restricted reverse position in which the motor 31 is driven slowly in reverse and a full reverse position in which the pressure supply to the motor is sufficient to release a brake 45 in differential gearing between the motor 31 and drum 25 permitting free wheeling of the drum. The fluid ram released brake 45 is only operated when the motor reversing drive pressure is high enough to open a preset sequence valve 117, the brake being otherwise spring applied to lock the reaction member of the differential gearing, generating a high torque low speed drive for the drum. The crane shown includes a grab bucket 20 supported on a boom 10 pivoted to a platform 12 rotatable on a chassis 14, a dragline 40 being associated with the bucket 20. The bucket closing and hoisting cables 19, 18 and the dragline cable 40, are controlled by drums 30, 25 and 41, all operated as described above, the motors 37 and 39 for luffing the boom 10 and rotating the platform 12 have only forward, vertical and reverse selection on their spool valves, but in neutral the two lines to each motor communicate providing a coasting action, which in the case of the boom is automatically braked. The control levers for all the spool valves are mounted convenient to a single operator in a cab 151 on the platform 12 which also supports the pump prime mover 89 and fluid tank 94. Pressure limiting valves 149 prevent overloading the equipment by hoisting excessive loads. The grab bucket 20 comprises a pair of shells pivotal on a frame subject to pulley block action from the cable 19, the outer extremities of the shells being pivotally connected to rods pivotal at their remote ends to a frame supporting the said pulley block. In a further embodiment, the sequence valve 117 is omitted and the brake is released by back pressure built up on the line 113 due to a restriction 112 having a check controlled by-pass 111.
Patent GB-1407217-A (GB)
Title: Lawn mowers
IPC: A01D43/063
Filed: 1972-08-24
Abstract: 1407217 Rotary scythe lawn mower ASSOCIATED SPRAYERS Ltd 22 Nov 1973 [24 Aug 1972 22 Sept 1972] 43909/72 and 39369/72 Heading AIF  A rotary scythe lawn mower for use with or without a cuttings bag comprises a mower housing having an integral or separate deflector 25, Fig. 3, which directs the cuttings towards an exit 18. The bag is supported on or within a frame which co-operates with the exit via lugs 9 and apertures 19. Frame projections 11 may be provided to support the bag mouth or alternatively the mouth may be clamped to the frame by transversely elongated U-shaped clips, Fig. 4 (not shown). In the latter embodiment the frame is formed as an open box. The bag may have eyelets 21 to receive lugs 23 of a removable clamp-guard 22. If the bag is not used the clamp guard can be fitted directly over the exit. Alternatively a hinged guard may be used. The height of the mower's wheels and rollers may be adjusted with respect to the housing.
Patent GB-1441168-A (GB)
Title: High frequency system with second harmonic filter
IPC: G01S13/56
Filed: 1973-08-21
Abstract: 1441168 Filters OMNI SPECTRA Inc 21 Aug 1973 [18 Oct 1972] 39611/73 Heading H1W [Also in Division H3] Energy radiated from a cavity at the second harmonic frequency is suppressed by a filter comprising a reactance associated with the output iris of the cavity. In the Doppler radar system shown (see Specifications 1,365,475 and 1,374,948), energy is generated in a cavity by a Gunn-diode circuit (see Division H3) and coupled to a mixing cavity by an iris 40. The dimensions and disposition of a stub 66 are such that, at the harmonic frequency, it exhibits an inductive reactance which combines in series resonance with the capacitive reactance of the iris 40 and thus rejects the harmonic frequency. The stub 66 consists of a conductor printed on a dielectric sheet 64 located at the required distance in front of the iris. In a modification (Figs. 8, 9, not shown), the reactance is provided by two oppositely located, central projections in the iris.
Patent GB-1404856-A (GB)
Title: Shuttle driving mechanism for a loom
IPC: D03D43/04
Filed: 1972-08-25
Abstract: 1404856 Weft selection; smallware looms ADOLPHE ET ANDRE CAEN 25 Aug 1972 [6 Sept 1971] 39728/72 Heading D1E The shuttle selection mechanism of Specification 1389485 has provision for disconnecting the racks of the non-selected shuttles so that only the racks of the shuttles in the picking position are reciprocated. The Jacquard controlled mechanism 34 for vertically moving the shuttle tracks 16 on the sley 15 simultaneously operates three clutches so that a clutch related to a selected shuttle track couples a shaft 68 to an intermittenly rotating shaft, one cycle of whose rotations causes the shaft 68 to reciprocate the selected rack for one picking cycle. The shafts 68 are coupled to the racks by a telescopic shaft and gear mechanism and cardan joints are provided to allow for movement during beat up. The clutches have provision for locking non-selected mechanisms in position.
Patent GB-1180797-A (GB)
Title: 4,5-Indano-1,3-Dioxan Derivatives
Inventor: HEYWOOD BASIL JASON
IPC: C11B9/00
Filed: 1967-08-30
Abstract: 1,180,797. Perfumes &c. MAY & BAKER Ltd. 28 Aug., 1968 [30 Aug., 1967], No. 39734/ 67. Heading A5B. [Also in Division C2] 2, 6-Dialkyl-4, 4-indano-1, 3-dioxans of general formula: in which R and R 1  are the same or different and each represents a C 1 -C 4  alkyl group, are used in scented compositions, e.g. in perfumes, soaps, hand creams, bath salts, talcum powders, hair lacquers, aerosols and air fresheners.
Patent GB-1272773-A (GB)
Title: Steam generator system
Inventor: HOOGENDAM CORNELIS
IPC: F22B29/06
Filed: 1968-08-20
Abstract: 1,272,773. Steam generators. STRUTHERS SCIENTIFIC & INTERNATIONAL CORP. 14 Aug., 1969 [20 Aug., 1968], No. 39806/68. Heading F4A. A steam generator system for secondary oil recovery, comprises heating coils 31, 33, a flue 34 leading to a spray tower 38, wherein combustion products heat untreated feedwater sprayed from nozzles 6, to provide hot water in a storage area 39 above a conical reaction chamber 57 into which pipes 59, 60 introduce lime and soda ash respectively, and a pipe 61<SP>1</SP> introduces the hot water, lime and soda ash into the bottom of the reaction chamber 57 which contains a suspended sludge blanket 63 formed by precipitates through which the water passes to a collector system 64. Untreated water 50 is fed by a pump 51 to the nozzles 6 which are mounted on pipes 44, 45, 46 which branch from a common manifold 47, the supply to the nozzles being controlled by valves 48, 49, 50. The untreated water may be fed through an oil filter 54. The level of water in the storage area 39 is controlled by a valve 4 and detecting apparatus 8. To effect better use of the lime fed from a hopper 12, and the soda ash fed from a tank 23, the sludge blanket 63 is recirculated through lines 66-73 by a pump 3. A quick opening valve 20 and ejector 21 remove slugs of solids from the bottom of the reaction chamber. The treated feedwater at 64 passes through anthracite filters 22, 22<SP>1</SP>, 22<SP>11</SP> which can be backwashed with hot water through line 65, valve 79 and line 80, the backwash returning to the spray tower 38 by line 81. Pumps 29, 35 feed treated water to the coils.
Patent GB-1176936-A (GB)
Title: Improvements in or relating to Lathes and like Machine Tools
Inventor: CHRISTIE EDWARD THOMAS
IPC: B23G1/02
Filed: 1966-09-06
Abstract: 1,176,936. Lathes. J. & E. ARNFIELD Ltd. 6 Sept., 1967 [6 Sept., 1966], No. 39844/66. Heading B3T. In a lathe for making helical rotors a workpiece is supported between eccentric centres located in and rotatable with spindles 6 and 2 in a head and a tailstock 2 and 3 respectively, so as to permit rotation of the workpiece about its axis and at the same time rotation about an axis parallel thereto, interconnected gear drives 10, 20 and 23, 24 effecting simultaneous rotation of the head and tailstock spindles and the rotation of a sleeve 5 in which the headstock spindle 6 is concentrically mounted and by which the workpiece is rotated via a carrier or like driver. The drive between the spindles and the sleeve is effected through an epicyclic gear which also provides the driving connection for the longitudinal traverse of the tool slide along the lead screw 4, the gear ratios being so selected that the relative speed of the spindles and sleeve is proportional to the speed of traverse of the tool holder. In order to permit chamfering of the ends of the workpiece a drive connection is made from the lead screw via a magnetic clutch to effect power cross traverse of the cutting tool slide. The gear drives are driven from a common motor by way of driving gear 9. (For Figures see next page.)
Patent GB-1241583-A (GB)
Title: Process for the production of pure isoprene
Inventor: BRANDT HANS-WALTHER
IPC: C07C7/08
Filed: 1968-09-05
Abstract: 1,241,583. Isoprene. FARBENFABRIKEN BAYER A.G. 5 Sept., 1968 [6 Sept., 1967], No. 40172/68. Heading C5E. Isoprene obtained by pyrolysis of 4,4-dimethyl-m-dioxane, and containing as impurities C 5 -diolefins, C 5 -mono-olefins, C 6 -hydrocarbons and oxygen compounds, is purified by extractive distillation with aniline, optionally containing up to 5% of water.
Patent GB-871951-A (GB)
Title: Improvements in and relating to roller skates
Inventor: DAVIES WILLIAM LEWIS
IPC: A63C17/02
Filed: 1958-12-16
Abstract: 871,951. Roller skates. DAVIES STEEL SPECIALTIES Ltd. Dec. 11, 1959 [Dec. 16, 1958], No. 40568/58. Class 132(1). [Also in Group XXXIV] A roller skate comprises synthetic plastic sole and heel platforms 10. 48 connected by a member and each carrying a removable downwardly depending metallic axle housing 23 which receives a metal axle 16 carrying the wheels. The skates may be made by injection moulding or pressing from polyvinyl chloride or nylon and may be reinforced by fibre glass or other material. The sole platform 10 has slots for the toe straps and a hollow axle mounting 17 with side walls 18 the whole being provided with reinforcing ribs. The metal axle housing 23 has portions 28, 29 to fit against walls 18 and is secured to abutments 21, 26 on platform 10 by screws. One end of a U-section junction piece, whose other end is connected to the heel platform is also secured to abutment 26. The legs 34, 35 of a channel shaped member 36 extend through slots in portion 28. Axle 16 is mounted on the underside of a second channel shaped member 37 fitting into member 36 and a pin 41 extends through the legs of members 36 and 37 and a resilient block 40 so that members 36 and 37 can rock slightly with respect to one another. Metal pads 42, 43 positioned between members 36, 37 and block 40 compress the latter. Alternatively, Fig. 4, portions 28, 29 terminate in an axle receiving bore which receives a cushioning sleeve 45 and allows some play to the axle 16. The heel platform 48 is similar to platform 10 and has an abutment with a space 52 to receive the heel strap. The wheels may be moulded in nylon or the like and may run on a plastic sleeve or bushing extending from a wheel capping or disc member each of which is pushed on to the end of one of the axles. Alternatively a metal sleeve may be used or ball bearings may be provided. Specification 834,131 is referred to.