baber/WOPTO huggingface dataset:
Patent GB-1027387-A (GB)
IPC: B64D25/10
Abstract: 1,027,387. Pressure operated latch. J. MARTIN. June 23, 1964 [July 30, 1963], No. 30094/63. Heading E2A. A locking device suitable for retaining and releasing leg restraining lines of an ejection system comprises a housing 1 including at least a pair of line receiving slots 15 adapted to be traversed by corresponding locking members 13, such members being adapted to be moved from a line-locking position to a line releasing position by pressure fluid acting simultaneously upon at least two pistons 2 slidable independently of one another within said housing along a common axis towards their line locking positions spring means 4 being provided to urge said locking members As shown, the latch comprises a housing 1 enclosing a pair of hollow pistons 2 positioned in opposition in a common cylinder 3 and spring biased by a pair of compression springs 4. The pistons slide between the cylinder 3 and bored guide plugs 5. A pressure fluid inlet 6 communicates with a port 7 between the two pistons. Each piston has a pair of radial projections 9, 10, projection 9 riding in a slot 11 and projection 10 engaging an annular groove 12 provided at one end of an associated locking member 13. Each locking member 13 comprises a plunger reciprocable in a bore 14 and has a locked position into which it is biased by the corresponding piston 2 and in which position it traverses at slot 15 which receives a lug 16. On applying pressure fluid into the port 7, the pistons are forced away from each other against the action of springs 4, thus moving the locking member away from slots 15.
Patent GB-1052626-A (GB)
IPC: G02B5/126
Abstract: 1,052,626. Laminates and laminating. ROWLAND PRODUCTS Inc. Feb. 25, 1964 [Feb. 27, 1963; June 7, 1963], No. 7767/64. Heading B5N. [Also in Division G2] A reflex reflecting sheet comprising a series of lenslike formations 10 on the front and a series of similar reflective formations 12 on the rear surface, the spacing between the formations being different on each surface so that the formations phase in and out of alignment across the width of the sheet, is formed from two embossed sheets which are laminated together. The two sheets may be of methyl methacrylate, cellulose acetate, propionate, butyrate or nitrate, P.V.C., polystyrene, polycarbonate, polythene, polypropylene or polyethylene terephthalate and may be fed to a pair of pinch rolls 104, 106, Fig. 14, not shown, as a solvent such as acetone or ethylene dichloride is applied to their mating surfaces to soften them for lamination, the composite strip being coiled and the residual solvent allowed to evaporate therefrom. The two sheets may have the embossments differently spaced, of slightly different size or equally spaced along axes which are not aligned when the two are laminated. Alternatively two sheets may be identically embossed and one stretched or shrunk before lamination. The rear reflective formations may be formed by chemical or vacuum deposition of metal and may be partially coloured at the crown or around a torus before the reflective coating 14 is applied.
Patent GB-1225855-A (GB)
IPC: H01J19/36
Filed: 1968-08-26
Abstract: 1,225,855. Magnetrons. MATSUSHITA ELECTRONICS CORP. 26 Aug., 1968 [7 Sept., 1967], No. 40721/68. Heading HID In a magnetron assembly which dispenses with forced cooling, Figs. 1 and 2, the anode block 2 of the magnetron 1 is mounted through an aluminium slab 3 having arrays of aluminium cooling fins 8 clamped to each end, the upper surface of the block supporting the solenoid or permanent magnet 5 and yoke 6. The fin arrays rise above the top of the magnetic system, to protect the latter; the anode block may be secured within block 3 by soldering or by the use of a thermally conductive resin. Dimension and weight data are included.
Patent GB-1226043-A (GB)
IPC: H02K39/00
Filed: 1968-11-11
Abstract: 1,226,043. Electrical pulse generators. BRAUN A.G. 11 Nov., 1968 [14 Nov., 1967], No. 53296/68. Heading H2A. A magnetic ignitor device, wherein sudden interruption of a magnetic circuit generates an e.m.f. in a coil linked therewith, comprises a U-shaped magnetic core structure 1 having polar surfaces 100, 110 lying in the same or parallel planes and normally bridged by an armature 2 pivotal about a bearing 30, 40 lying outside the core structure 1 and to one side of the armature and core structures 1, 2, the armature being moved rapidly away from the polar surfaces by an energy-storing actuating member 3 connected directly or indirectly thereto. The invention is applicable to cigarette lighters and industrial combustion initiating devices, and in the embodiment shown the structure 1 includes a permanent magnet 10 and the member 3 is a two armed lever whose part 30 forms a knife-edge bearing and whose free arm 32 is resilient and tapered towards its free end to store energy received from a direction 33. In other embodiments the bearing is formed by a roller, and the actuating member is a helical tension or impression spring or a pneumatic pressure cylinder.
Patent GB-1227171-A (GB)
IPC: F01K23/10
Filed: 1968-03-18
Abstract: 1,227,171. Combined gas turbine/steam turbine installation. STEIN INDUSTRIE. March 18, 1968 [March 17, 1967], No. 13041/68. Heading F1Q. In a combined gas turbine/steam turbine installation the combustion air which alone feeds the boiler 5 during off peak operation is arranged to be heated by two heat exchanges 17a, 18a, in series one of which is traversed by exhaust gas from the boiler and the other by steam extracted at the steam turbine. Part of the water of the steam set is arranged to be heated in an exhaust gas/water heat exchanger 11a which is in continuous use whilst the remainder of the water is arranged to be heated in heat exchangers 20-25 traversed by the extracted steam and also in continous use. During peak operation the exhaust gases from the gas turbine 2 are substituted for the air circuit, the heat exchangers 17a 18a being put out of operation. Supplementary power is available at the turbo alternator set 7, 13 owing to the cessation of delivery from the extractors to the air heater 18a. Modified arrangements of the installation are described.
Patent GB-1229439-A (GB)
IPC: A01N47/30
Filed: 1968-07-26
Abstract: 1,229,439. N-Arylureas. FARBENFABRIKEN BAYER A.G. 26 July, 1968 [12 Aug,, 1967], No. 35750/68. Heading C2C. [Also in Division A5] Novel N-arylureas of the formula wherein X 1  and X 2  are -SCF 3 , Cl or H, X 1  or X 2  being SCF 3 , R 1  is H, C 1-4  alkyl or C 2-4  alkenyl and R 2  is C 1-4  alkyl or C 2-4  alkenyl, are prepared by reacting the corresponding trifluoromethylmercapto substituted phenyl isocyanato with an amine of the formula HN(R 1 )R 2  in the presence of a diluent. 4-Trifluoromethylmercaptophenyl isocyanate is obtained by reacting 4 - trichloromethylmercaptophenyl isocyanate with anhydrous hydrofluoric and under pressure.
Patent GB-1229451-A (GB)
IPC: H04R1/28
Filed: 1968-01-18
Abstract: 1,229,451. Loud-speakers. RANK ORGANISATION Ltd. 1 Jan., 1969 [18 Jan., 1968], No. 2740/68. Heading H4J. A loud-speaker housing is filled by a rigid body having a network of intercommunicating cavities therein. As described the body may comprise a block of foamed plastics such as polyurethane. The housing may comprise a skin formed on the foamed plastic during moulding and be in the form of a block having two recesses for two speakers operating in different frequency ranges, the recesses to take the low-frequency speaker having the skin formed on its concave surface removed. Alternatively the housing may comprise a separate covering of wood, metal or plastics (e.g. a plastics laminate) the block being moulded inside the covering so that it adheres to it. In any event it should be impervious to air. Support studs to which a speaker may be attached may be moulded into the block around a recess or a foamed plastics block may be moulded with the speakers in place, the rear of the speakers being protected by wire mesh screens. To prevent a skin being formed at a screen, the screen has an inhibiting agent applied to it. The cavities between the screens and the speakers may be filled with a soundabsorbing material such as glass fibre. The enclosure may be provided with a window or opening to enable its resonance characteristics to be modified.
Patent GB-1230262-A (GB)
IPC: G01P1/12
Filed: 1969-04-01
Abstract: 1,230,262. Recording-apparatus. KIENZLE APPARATE G.m.b.H. April 1, 1969 [April 3, 1968], No. 17023/69. Heading GIJ. Apparatus for recording the durations of different categories of work performed by each driver of the crew of a vehicle comprises a pen and a manually adjustable rotary switch assigned to each driver with at least one actuating element (which may be excitable by an electrical vibration pick-up) and at least one stroke-limiting element (which is electrically actuable) to cause the pens to record distinctive traces according to the setting of the switches, the switches being located independently from the casing and cover of the apparatus in an operating device forming a constructional and functional unit adapted to be mounted in the apparatus. An electrical switching plate 38 is attached to a spaced plate 37 to provide bearings for the shafts 26, 27 of two rotary switches, the shafts carrying contact springs 33, 34; stopping cams 35, 36; and knobs 13, 14; labelled for the respective drivers and with indication marks for categories "drive", "auxiliary work" and "pauses". Each knob carries a disc 17 with recesses co-operating with a spring 18 for registering it in set positions, corresponding to the categories, whereat the contact springs make the necessary connections on the plate 38 to control the associated pens. To prevent both switches being set simultaneously to say the "drive" position, an interlock is provided by two rails 52, 53 co-operating with the stopping cams 35, 36 when lost motion is taken up by a spring 54, the latter preventing damage due to sudden adjusting movements. The operating unit is mounted in a space between the distance counter and front glass.
Patent GB-1230437-A (GB)
IPC: F16L37/12
Filed: 1968-10-03
Abstract: 1,230,437. Clamps. GEORG FISCHER A.G. 3 Oct., 1968 [3 Oct., 1967], No. 47048/68. Heading E2B. A clamping device made of plastics material for connecting a first member to a second member, such as a stop-cock unit to a motor unit, a pipe to a mounting, or one pipe end portion to another pipe end portion, includes two cooperating saddle parts 1a, 1b adapted to be held in the form of a collar about at least one of the members by two connecting members 2a, 2b securable, on diametrically opposite sides of the collar, to the two saddle parts, each said connecting member being engageable by one end portion thereof with one of said saddle parts and being engageable by the other end portion thereof by a wedge member 3 adapted for wedged retention in a recess 26 provided in the other of said saddle parts, the wedge members when in the wedging position being disposed approximately parallel to the collar axis. In the construction shown the clamping device is shown connected around the body of a stop cock, a motor 8 being connected to one wall of the saddle part 1b for actuating the stop cock. Each connecting member is substantially in the shape of a H and the end portion which is engaged by the wedge member has a groove the wedge member being bifurcated to provide two legs, one of which is received both in the groove and in the recess 26 and the other being only in the recess 26. When the clamping device is intended for clamping two pipe end portions together, the pipe end portions are flanged and the elements are provided with inclined inner walls which press the flanges together against a gasket as the wedge members are driven into the recesses 26.
Patent GB-1231243-A (GB)
IPC: C22C38/04
Filed: 1968-05-10
Abstract: 1,231,243. Fe-Mu alloys. INSTITUT DR ING REINHARD STRAUMANN A.G. May 10, 1968 [May 13, 1967], No.22286/68. Heading C7A. A frequency controlling element (e.g. spring, tuning fork or electro-mechanical filter), has a temperature co-efficient of the frequency determining modulus of elasticity in the range of plus or minus 10 x 10<SP>-5</SP>/C. and is formed from an alloy consisting of:- The control element may exhibit a frequency which is independent of temperature or may protect heavily loaded components against destructive self-resonance.
Patent GB-1231846-A (GB)
IPC: G03G13/01
Filed: 1968-04-30
Abstract: 1,231,846. Electro-photographic developing. FUJI SHASHIN FILM K. K. April 30, 1968, [May 22, 1967], No.20531/68. Heading G2H. A latent electrostatic image formed on a photoconductive insulating layer having a conductive support is developed by forming a second latent image of the same polarity on an insulating layer having a conductive backing closely spacing the two latent images and electrically connecting the two conductors, and feeding a developer between the latent images, to obtain a developed image of the first latent image, the toner density of which is controlled by the second latent image. In one embodiment, shown in Fig. 1, a latent image 3 on photo-conductive layer 1 on conductive support 2 is placed near latent image 6 on insulating layer 4 on conductive backing 5, the conductors 4 and 5 are earthed, toner is introduced between the latent images, and adheres at areas 32 of latent images 3, a reduced amount adhering at area 31 due to the field produced by area 61 of latent image 6. In a reversal development embodiment Fig. 2 (not shown) the toner polarity is the same as that of the latent image (7) on the photo-conductive layer, and toner is deposited on the latent image under the influence of the second latent image. Multi-colour electrophotographs may be produced by the method, the first and second latent images being colour separated electrostatic images, produced for example by exposing a multi-colour transparency through filters, the toner colour corresponding to the first latent image, and the second image controlling the deposition of toner to obtain colour correction.
Patent GB-1232257-A (GB)
IPC: B01J31/00
Filed: 1968-09-20
Abstract: 1,232,257. Propargyl alcohol; butynediol. BADISCHE ANILIN- & SODA-FABRIK A.G. 20 Sept., 1968 [23 Sept., 1967], No. 44780/68. Heading C2C. A process for the production of propargyl alcohol butynediol being formed as a by-product comprises reacting formaldehyde with acetylene at elevated temperatures and at superatmospheric pressure in the presence of copper acetylide supported on a carrier, the reaction being carried out in a plurality of successive stages and a molar ratio of dissolved acetylene to propargyl alcohol of from 1À1 : 1 to 15 : 1 being maintained in the second reaction stage and in the following reaction stages, if any. A 1 to 25% by weight aqueous solution of formaldehyde is generally used. The reaction may be carried out in the presence of a solvent for acetylene, those which under the reaction conditions absorb more than 2 cm.<SP>3</SP> of gaseous acetylene per cm.<SP>3</SP> of solvent; at a temperature from 70‹ to 150‹ C.; at an acetylene partial pressure of up to 60 atmospheres and at a total pressure of up to 500 atmospheres. The supported catalyst preferably contains from 8 to 25% by weight of copper acetylide with reference to the total weight of carrier and copper acetylide. The catalyst may contain additives such as bismuth oxide. The process may be carried out by passing the formaldehyde solution and the acetylene cocurrently downwards over a fixed-bed catalyst. The process may also be effected in the liquid phase, i.e. without maintaining a gas phase in the reactor.
Patent GB-1233090-A (GB)
IPC: F01D5/28
Filed: 1968-08-20
Abstract: 1,233,090. Making turbine blades. ROLLSROYCE Ltd. 14 Nov., 1969 [20 Aug., 1968], No. 39766/68. Heading B3A. [Also in Division F1] In a method of making a blade or vane for a gas turbine engine, a metal is electro-deposited on to a former so that the metal forms at least part of the leading and/or trailing edge and of one or both flanks of the blade, and the former comprises a reverse form of at least a part of one of the aerofoil surfaces of the blade. The former is made up of three portions to a substantially box-shaped form and two opposed faces are stopped off with an insulating varnish so that a blade piece 21 comprising a hollow foursided box is formed by electroplating a layer of nickel. The internal faces of the box accurately define the required inter-blade shape. The blade pieces 21 are assembled on a blade disc 20 and secured thereto by gluing, beam-welding, electro-deposition welding or by the use of an elastomeric joining material to provide a damped annulus. The blade pieces 22 are similar to the pieces 21, but the outer shroud has been machined away. The join line between blade pieces may be moved to the flanks of the blades and the blades could be fibre reinforced. The blades may also be plated or spray-deposited with other metals in critical areas.
Patent GB-1233611-A (GB)
IPC: F16K31/365
Filed: 1968-03-19
Abstract: 1,233,611. Valves. WHESSOE Ltd. 20 Feb., 1969 [19 March, 1968], No. 13317/68. Heading F2V. [Also in Division G3] Valve particularly for filling liquid tanker vehicles from below, is held open by a latch released by a mechanically biased diaphragm 13 to allow the valve to close in response to a control pressure set up when a desired liquid level is reached. In the form shown with the biasing spring 16 above the diaphragm, the space on this side is connected to a U-pipe just below the filling level and also to a low-pressure source such as a suction pump or a Venturi in the inlet. When the level is reached, the L.P. source becomes effective to lift a sleeve 14 and release balls 18 from a latching pin 12 connected to the valve stem 28. The valve member comprises a closure 7 and piston 9 adjustably secured to the stem 28. The diaphragm is fixed between inner and outer bonnets 1, 2. In a first alternative, with the biasing spring 16 below the diaphragm, the space below is connected to a Venturi just below the filling level, to produce a low pressure, this Venturi being at the end of a pipe connected to the inlet. Rise of pressure on flooding of the Venturi allows the latch to release. In a second alternative, also with the biasing spring below the diaphragm, a positive pressure above the diaphragm is developed by a stream bled from the inlet and directed as a jet into an orifice just below the liquid level and connected to the passage 19, the action of the jet being interrupted by flooding. The latch may also be tripped manually or by a solenoid or other device, through a pull rod 17. The valve is opened initially by a cam 11.
Patent GB-1234197-A (GB)
IPC: B25B5/06
Filed: 1968-11-14
Abstract: 1,234,197. Jointing by stamping; shearing. POWER JACKS Ltd. 13 Nov., 1969 [14 Nov., 1968], No. 54146/68. Headings B3Q and B3W. A shearing, crimping &c. tool comprises a pair of pivoted arms 1, 2 which are relativelymovable towards each other by an hydraulic or pneumatic actuator 7 secured to the arm 1 between the pivot 3 and the crank-engaging region 4, and a linkage 15 providing a mechanical advantage between the tool-operating member 14 of the actuator 7 and the arm 2, which lies between the member 14 and arm 1. As shown, the cylinder 8 of the actuator is secured by a U-frame 9, 10 and a bolt 12 to the arm 1 and the piston-rod 14 operates the lever 15, but the cylinder could operate the lever if the rod 14 is connected to the arm 1. Springs 20, 21 return the arms and piston 22, to which pressure fluid may be pumped manually. Hardened steel rollers 17, 18, 19 provide bearing points on the lever 15 and arm 2 and are arranged so that the roller 18 tends to move between the roller 19 and the pivot 16 and act as a toggle linkage. The cylinder 8 is at an angle greater than 45 degrees and up to 90 degrees from the arms 1, 2. Crimping dies may be held in the recesses 4, 5 by spring detents 6, and the arrangement may be such that the forward ends of the dies meet before the rearward ends, which make contact after slight bending of at least one of the arms 12. Similarly, flexing of the arms may occur if the tool is used for shearing.
Patent GB-1234613-A (GB)
IPC: G03C1/053
Filed: 1968-06-26
Abstract: 1,234,613. Processing photographic silver halide materials. EASTMAN KODAK CO. June 26, 1968 [June 28, 1967; Feb.1, 1968], No.30450/68, Heading G2C. Photographic materials containing an exposed light-sensitive silver halide emulsion layer containing an acrylic copolymer which is compatible with gelatine and has a glass transition temperature of less than 20‹ C. are processed in a continuous transport processing machine at a temperature of at least 26‹ C. The acrylic copolymers may be polymers of alkyl acrylates with acrylic acid or sulphoalkyl acrylates, especially latices of waterinsoluble polymers of that type; or terpolymers of alkyl acrylates, acrylic acid or sulphoalkylacrylates and acrylic monomers having active methylene groups, e. g. cyanacetoxy or acetoacetoxy ethyl methacrylate, or sulphobetaine monomers. The material may also contain development modifiers such as nitro-substituted benzodiazoles, indazoles and benzimidazoles, mercapto-substituted tetrazoles and authraquinone- -2-sulphonic acids, and conventional additions including developing agents, hardeners and inert particles. The processing may be conducted in a roller-transport machine, development, fixing and washing being conducted between 80 and 120‹ F.
Patent GB-1250396-A (GB)
IPC: F16K13/02
Filed: 1969-01-23
Abstract: 1,250,396. Valves. M. WIDENMANN. 23 Jan., 1969 [23 Jan., 1968], No. 3889/69. Heading F2V. A stop-cock comprises a rotatable partspherical plug 3, and a two-part casing 1, 2 divided in a plane which is inclined at an angle of 45 degrees to the inlet and outlet. A lining 8, e.g. of P.T.F.E., is disposed in the part 1. The casing parts are connected by flanges 16, 17, having circularly disposed slots to receive fastening bolts, and allow rotational adjustment. The plug carries a pin 20, to which a handle 9 can be fitted, and a sealing ring 25. In Fig. 3, not shown, the plug does not have a sealing ring 25, and the gap (33) between the plug and the casing part 2, is drained through a passageway (34). The casing part 1 may have a plurality of connections leading thereto.
Patent GB-1251952-A (GB)
IPC: B29C33/00
Filed: 1967-11-30
Abstract: 1,251,952. Moulding commutators. HOOVER Ltd. 29 Nov., 1968 [30 Nov., 1967], No. 54621/67. Heading B5A. Commutator bodies are compression or transfer moulded in a rotary press comprising a plurality of upper and lower platens which are indexed through a plurality of stations, including a station at which pressure is applied by the platens to a mould located on the lower platen and which mould is removable therefrom at an unloading/loading station where the platens are spaced apart. Different sized commutators may simultaneously be moulded employing removable moulds of the same external size. In a transfer moulding process the mould comprises an upper member 10, provided with a sprue 11, and a lower member 13 aligned at shoulders 15, 16 within a chase 12. A cylindrical external commutator shell is located within chase 12 and a commutator bush on pin 14, the separation into segments being carried out after moulding. The mould is preheated and located within a cylindrical recess (21), Fig. 2 (not shown), of a lower platen (20) with moulding material, which is located above member (10) within recess (21), being forced into the mould by a ram (24) attached to the upper platen and sliding within the recess (21). The mould may be ejected from recess (21) by lower platen ejector (27) or the ram (24) may be provided with a recess in the lower face into which moulding material flows whereby the mould is ejected from the recess (21) on raising the ram (24). Alternatively, the ram may form part of the mould, when ejector (27) is used. In a compression moulding process, Fig. 4 (not shown), the upper mould member is downwardly displaced during moulding.