baber/WOPTO huggingface dataset:
Patent GB-1095581-A (GB)
IPC: H04N1/00
Abstract: 1,095,581. Data transmission systems. FERNMELDEWERK ARNSTADT VEB. May 10, 1965, No. 19595/65. Heading H4P. [Also in Division H2] A binary (i.e. two level) facsimile signal J1 and a 500 kc./s. timing signal J3 are formed into a pulse-type signal J5, whereby picture and synchronizing information are conveyed to a receiver by a single signal. The binary signal is converted into a signal J2 in which each transition is represented by a pair of pulses, the spacing of the pulses being 2 Á sees. for transition in one direction and 4 Á secs. for transition in the other direction. The pulses are delayed from the transitions by 6 Á sees. The timing signal is converted into a signal J4 in which every other timing pulse is transmitted when the binary signal is at one level and every other pair of pulses is transmitted when the signal is at the other level. In addition, the pulse sequence is interrupted for 16 Á sees. following each transition in the binary signal. The signals J2 and J4 may then be combined to form the signal J5 for transmission to a receiver. At the receiver, the signal J5 is applied to two pulse discriminators which function to produce outputs of enhanced amplitude in response to pulse pairs of a particular time separation, one discriminator responding to a separation of 2 Á sees. and producing an output J7 and the other responding to a separation of 4 Á sees. and producing an output J6. These outputs are then applied respectively to trigger in one and the other direction a bi-stable circuit, whereby there is generated an output signal J8 corresponding to the original binary signal J1. The transitions in signal J8 are utilized to produce 8 Á secs, pulses which are employed to gate the received signal J5 which is subjected to a 5 Á sees. delay. By this means there is eliminated from the signal J5 the pairs of pulses which represent the binary signal transitions. The remaining signal J9 corresponds to the original signal J4 with a 5 Á sees. delay and contains only timing information suitable for synchronization purposes. At the transmitter the original 500 kc./s. timing signal J3 is applied to a ten-stage binary counter to obtain a signal at approximately 490 c/s. to drive the motor of the picture drum. At the receiver, the signal J9 synchronizes a 500 kc./s. generator and in a similar manner with a ten-stage counter there is obtained a 490 c/s. signal to drive the motor of the receiver picture drum. Details of the transmitter and receiver are described (in block diagram form only) with reference to Figs. 1 and 2 (not shown). The apparatus is based on conventional pulse teclmiques. The circuits for deriving 2 and 4 Á sees. pulse pairs representing the signal transitions and the receiver pulse discriminator circuits are based on delay lines.
Patent GB-1225630-A (GB)
IPC: F16D67/06
Filed: 1967-08-25
Abstract: 1,225,630. Electromagnetic clutches. AUTRONIC DEVELOPMENTS Ltd. 21 Aug., 1968 [25 Aug., 1967], No. 39213/67. Headings F2C and F2L. An electromagnetic clutch comprises axially aligned input and output armatures 2, 3 carried in steel bushes 4, 5 surrounded by a brass former 6, the clutch being operated by a stationary coil 12. The inner ends of the bushes 4, 5 are spaced apart to form an air gap 14 ensuring that the energizing flux is concentrated around the armature peripheries in the region of their radial friction surfaces 15, 16. The inner surfaces of bushes 4, 5 are provided with bearing layers of porous copper filled with a mixture of polytetrafluoroethylene and lead. The adjacent ends of the armatures are bored for the reception of ceramic permanent magnets 24, 25, the poles of which are so arranged that the armatures are mutually repelled when coil 12 is not energized. A fixed ceramic annular brake magnet 26 is provided at one end of the clutch, the other end being closed by a thrust washer 28 having a bearing layer similar to that of the bushes 4, 5.
Patent GB-1226199-A (GB)
IPC: B44C1/14
Filed: 1968-12-23
Abstract: 1,226,199. Composite sheet material. KALLE A.G. 23 Dec., 1968 [30 Dec., 1967], No. 61049/68. Heading B5N. A composite sheet material is made by continuously applying a sheet of metal 1 on to the surface 2 of a roll 3 by electro- or vapour deposition in such a way that the metal sheet is readily detachable from the intermediate support roll 3, bonding the metal sheet 1 to a support film 8 carried by roller 9 in the nip 10 by means of an adhesive layer 7, which may be applied to either or both of the webs, and continuously removing the resulting composite formed from the intermediate support 3. As shown in Fig. 1, heat from a radiator 12 may be applied between the metal sheet 1 and he adhesive 7 before bonding. The metal sheet 1 and the adhesive 7 or support film 8 may be subjected to corona discharge by electrode 14 before lamination. The surfaces 5, 11 of the metal sheet 1 and supporting foil are preferably roughened to increase adhesion and this can be achieved by oxidation of the metal and brushing or sand-blasting of the foil. Bilateral coating can be achieved by successively coating both sides of the support film 8. A laminate comprising more than one metal layer may be made by applying two or more films to the intermediate support. Specified metals are copper, nickel and iron.
Patent GB-1229081-A (GB)
IPC: C02F1/50
Filed: 1969-01-14
Abstract: 1,229,081. Tablets of chlorine releasing compound. M. A. MAY. 23 July, 1969 [14 Jan., 1969], No. 2140/69. Heading A5E. A tablet of a compound which releases chlorine on contact with water and finds application in providing an even supply of chlorine in water treatment or sanitization of swimming pools, has substantially parallel plane faces with the surface of the edge between the faces sealed by a water-impervious and waterinsoluble material. The sealing material may be a band of material which adheres or which is attached by adhesive (e.g. self-adhesive tape) or may be a coating, e.g. of paint, resin, rubber or wax. Optionally one face surface also may be sealed with a water-impervious and -insoluble material.
Patent GB-1230442-A (GB)
IPC: B25B15/00
Filed: 1968-10-24
Abstract: 1,230,442. Screwdriver. R. M. VAUGHN. 24 Oct., 1968 [28 May, 1968], No. 50553/68. Heading B3N. [Also in Division F2] A power tool screw-driving blade has an arcuate bottom 14. The blade is used with a screw having a slot with an arcuate bottom and a circular recess 15. The blade bottom cooperates with the circular recess screw to aid alignment of the blade with the screw.
Patent GB-1230483-A (GB)
IPC: C11D3/08
Filed: 1968-08-01
Abstract: 1,230,483. Detergent laundry bars and their production. COLGATE-PALMOLIVE CO. 1 Aug., 1968 [2 Aug., 1967], No. 36819/68. Heading C5D. A process for the production of smooth detergent laundry bars which are free from a gritty feel during use in washing, which contain an organic synthetic detergent and builder salt and in which the ratio of the weight of builder salt to detergent is at least 0À5 : 1 which comprises forming a fluid uniform aqueous mixture containing water and detergent, and mixing therewith builder salt in particulate form while maintaining the plasticity during mixing to disperse the builder salt finely, inhibit crystal size and form a mixture which in bar form has a microcrystalline matrix substantially free of builder salt crystals over 40 microns in diameter. The organic synthetic detergents mentioned are alkylbenzene sulphonates in which the alkyl group has 8 to 16 carbon atoms, alkenyl sulphonates, hydroxyalkane sulphonate, alkane sulphonate, alkyl esters of alpha-sulphofatty acids and alkyl sulphates. Builder salts mentioned are sodium tripolyphosphate, trimetaphosphate and pyrophosphate, sodium carbonate and bicarbonate, trisodium phosphate, sodium sulphate and chloride. Sodium silicate or starch may be added to the aqueous mixture prior to the addition of the builder salt. Other conventional ingredients which may be added are sodium salts of nitrilotriacetic acid or ethylenediaminetetraacetic acid, borax, sesquicarbonates, perfumes, whitening agents, e.g. titanium dioxide, optical brighteners and fillers.
Patent GB-1238389-A (GB)
IPC: C07D339/06
Filed: 1969-12-11
Abstract: 1,238,389. Epichlorhydrin dithiocarbonate; cyclic sulphur compounds. ETHYLENEPLASTIQUE S.A. 11 Dec., 1969 [16 Dec., 1968], No. 60491/69. Heading C2C. Cyclic sulphur compounds, such as the novel epichlorhydrin dithiocarbonate, having an electronegative substituent on a carbon atom which does not form part of the ring are prepared by reacting an epoxy compound of the formula in which A is a halogen atom, a radical OR in which R is an alkyl or aryl radical, or a radical -N(R<SP>1</SP>)(R<SP>11</SP>) in which R<SP>1</SP> and R<SP>11</SP> are alkyl or aryl radicals, and n is 1, 2 or 3, with carbon disulphide or oxysulphide at a temperature of less than 80‹ C. in the presence of a catalytic system comprising a xanthate or an alkali metal halide and water e.g. hydrated lithium bromide, and, optionally, in addition to the alkali metal halide a cocatalyst comprising a sulphide, thiocarbonate or sulphonium iodide. Examples describe the preparation of the episulphide and monothiocarbonate derivatives of 3-phenoxy-1- propene, 3 - phenoxy - 1,2 - propene, 3 - diethylamino - 1 - propene, and epichlorohydrin, as well as epichlorohydrin dithiocarbonate.
Patent GB-1257876-A (GB)
IPC: B21J13/08
Filed: 1970-04-08
Abstract: 1,257,876. Workpiece feeding apparatus. SMERALOVY ZAVODY NARODNI PODNIK. 8 April, 1970 [11 April, 1969], No. 16559/70. Heading B3H. An apparatus for feeding articles 58 to the working zone of a forging press comprises a reciprocating ram 5 with a pivoted bush 2 to receive an article and move it along a guide surface 20 to a discharge aperture 21. The article falls on to a support and is prevented from falling over by a pair of jaws 25 which are slightly spaced from the article in their closed position. The ram is moved by a double rack and pinion drive 9-12. The bush is mounted on an arm 3 keyed to an axle 4 with an arm 16 and a roller 17, Fig. 2. The roller engages a cam track 18 to align the bush with a feed shoot 1 and the aperture in the end positions of the ram respectively. The jaws 25 are operated by a roller 30 on a rearward extension of one jaw jaw arm 24. The roller engages a cam 33 which is withdrawn on the return stroke of the ram. The withdrawal is effected by a cam operated linkage (41), Fig. 3 (not shown) which is locked in position by a latch (45) on the forward stroke of the ram. The article 58<SP>11</SP>, Fig. 2, is collected by grippers 59 after the jaws 25 have opened.
Patent GB-1258293-A (GB)
IPC: C07C6/12
Filed: 1969-02-17
Abstract: 1,258,293. Disproportionating alkyl aromatics. BRITISH PETROLEUM CO. Ltd. 4 Dec., 1969 [17 Feb., 1969], No. 8429/69. Heading C5E. [Also in Division C1] Alkyl aromatics are disporportionated by contact at elevated temperature and pressure, and in the presence of hydrogen, with a mordenite which is deficient in alkali metal cations and which contains 0À01-1À5 wt. per cent nickel wholly in ion-exchanged form. The remaining ions in the mordenite may be hydrogen and/or Group II or rare earth metal ions. Preferred feedstocks are C 7-15  alkylaromatics, particularly toluene, though alkyl naphthalenes having 1-5 alkyl carbon atoms may also be used.
Patent GB-1267069-A (GB)
IPC: F16J10/00
Filed: 1969-07-09
Abstract: 1,267,069. Ship-building. W. J. LITHGOW. 9 July, 1970 [9 July, 1969], No. 34607/69. Heading B7S. [Also in Division F2] An hydraulic support for use in ship-building comprises a piston 11 and cylinder 10 and rigid supports 12 pivotally secured at 25 to the cylinder for assisting the piston, in its extended position shown on the left-hand side of Fig. 1, to support a load. The piston is sealed to the cylinder during operation by a seal 15 (see also Division F2) including a packing ring inflated by pressure fluid from an exterior source. A plate 19 is secured to the top of the piston. A number of supports are located in a dock with their cylinders driven into the soil at the bottom of the dock. With the seal 15 inflated the pistons are raised by supplying pressurized water to the cylinders and the plates 19 form a platform for a ship's bottom 38. The support members 12 are pivoted to the vertical position and packing 26, which may be wax 28 in a collar 30, is inserted between each member 12 and the plate 19. To launch the ship, the wax is melted, the members 12 are pivoted to a horizontal position and the fluid pressure supplied to the seals is reduced so that leakage past them occurs allowing the pistons to fall and lower the ship into the water.
Patent GB-1289643-A (GB)
IPC: C09B5/40
Filed: 1970-04-14
Abstract: 1289643 Vat dyestuffs MITSUI TOATSU CHEMICALS Inc 14 April 1970 [17 April 1969 24 Sept 1969] 17677/70 Heading C4P The invention comprises the dyestuff obtained by heating a compound of the formula in a melt comprising aluminium chloride, and one or more of urea, pyridine, picoline and lutidine, optionally in presence of a halogenating agent, e.g. sulphuryl or thionyl chloride. The melt preferably contains by weight 1 part of the above compound, 5-10 parts aluminium chloride and 0À1 to 3À0 parts of urea, pyridine, picoline or lutidine and up to 0À2 parts of a halogenating agent. Heating preferably takes place at 50-200 C. The dye gives brown and blue-brown tints on cotton, viscose, silk, wool, nylon, vinylon, and polyesters.
Patent GB-1289831-A (GB)
IPC: F16C11/04
Filed: 1969-01-01
Abstract: 1289831 Clips; hinging F T PRODUCTS Ltd 1 Jan 1970 [1 Jan 1969] 148/69 Headings E2B and E2F A hinge clip 10 is L shaped and comprises a flat hinge portion 12 having a tongue 19 sheared therefrom for engaging a pivot pin 32 and a clip portion including two arms 16 (not shown), 17 joined by a web 18 and an arm 13 with a lug for gripping an edge portion of a board 24. The portion 12 is inserted in a hole 31 in one wall 26 of a channel shaped member to lie against the bar pivot pin 32 over which the tongue 19 snap engages the end portion of the tongue extending into the hole 30 beneath the pivot. The hole 31 extends into a flange 28 bent at right angles to the wall 26. The portion 11 of the clip gripping one edge portion of the board 24 rests on the flange 28 and the opposite edge portion rests on an opposite flange 29 on the other side wall 27 and is retained by an arm 36 of a clip 34 which has a lug 37 which extends through a circular hole in the wall and is retained therein by a projection 38 on the clip, the clip being rotatable about the hole to release the edge portion. The flanges 28, 29 may be omitted.
Patent GB-1307720-A (GB)
Title: Slurry explosive compositions
IPC: C06B47/14
Filed: 1970-12-21
Abstract: 1307720 Explosive compositions IMPERIAL CHEMICAL INDUSTRIES Ltd (D Chakraborty B N Ray and R C Sekhar) 16 Nov 1971 [21 Dec 1970] 60440/70 Heading C1D A salt of a long chain aliphatic amine having a chain of at least 10 carbon atoms is incorporated in a slurry explosive containing a crosslinked thickening agent in order to lower the density and enhance the sensitivity of the explosive composition. Other ingredients of the slurry explosive are an inorganic oxygensupplying salt, a solvent therefor, and a fuel. The amine salt may be a nitrate, perchlorate, sulphate, hydrochloride, phosphate, or acetate of n-dodecylamine, n-hexadecylamine, n-oleylamine, n-octadecylamine, soya amine, cocoamine, dimethylcocoamine, or tallow amine. Oxygen-supplying salts referred to are nitrates of ammonia, Na, K, Ba, and Ca. Suitable solvents are water, formamide, dimethylsulphoxide, ethylene glycol, and mixtures thereof. Fuels specified are aluminium, aluminium alloy, silicon, ferrosilicon, ferrophosphorus, sulphur, carbon, urea, thiourea, sugar, TNT, PETN, RDX, smokeless powder, nitrocellulose, nitrostarch, or mixtures thereof. The thickener may be guar gum, carob seed gum, hydroxyethyl cellulose, tamerind flour, or starch, and the cross-linking agent potassium pyroantimonate, zinc chromate, sodium or potassium dichromate, or a chromate or dichromate in conjunction with potassium antimony tartrate. Other ingredients specified are diammonium phosphate and gamma-benzene hexachloride. The amine salt may be formed in situ in the explosive composition by reaction of the amine with an acid or with a salt of a weak base, e.g. urea nitrate, while the composition is being mixed.
Patent GB-1307886-A (GB)
Title: Magnetic transducing head
IPC: G11B5/31
Filed: 1970-05-12
Abstract: 1307886 Magnetic heads INTERNATIONAL BUSINESS MACHINES CORP 12 May 1970 22927/70 Heading G5R A multiple magnetic head comprises magnetic elements 33 spaced from a common core leg 30 to define operational gaps 34 and sandwiching inductive elements 32 on the common leg. The elements 32 may be single- or multi-turn and are connected at 40 to conductors 39 at the top of a slider (Fig. 3, not shown) incorporating the head. The head may be made in different ways: A. Coating a ferrite leg with Cr then Cu and photo-etching to define the winding; electroplating with a Ni-Fe alloy in a magnetic field and photo-etching to define elements 33 having a hard axis in the direction of flux; cutting into multiple units and grinding the front face to expose the gaps 34. B. Depositing alloy, Au then Sn, on to a plastics film and etching to define the elements 33; placing the assembly over a ferrite block with windings formed as before and transferring the elements from the film to the windings by hot probes. C. Adhering a castellated ferrite member (71, Fig. 7, not shown) to windings formed on a leg as above and grinding to form separate elements. D. Depositing alloy elements, followed by windings, on to a substrate and bonding to a ferrite leg. The substrate is preferably silicon so that it may include integrated selection circuitry.
Patent GB-1328335-A (GB)
Title: Apparatus for severing rolls of material
IPC: B26D3/16
Filed: 1971-01-18
Abstract: 1328335 Cutting apparatus LEVER MFG CO 18 Jan 1971 2282/71 Heading B4B A cutting and gouging device adapted to remove waste material produced when a roll of material is being severed by a U-shaped double-edged cutting blade, Fig. 6 and, for severing a core structure on which the material is mounted, the device comprising a single edged cutting blade 2 having mounted thereon at least one gouging tooth 14, mechanism being provided for positioning the gouging tooth such that it does not contact the core structure. As shown in Fig. 1, the blade 2 is mounted on a rotatable shaft 6 and provided with a pair of gouging teeth 14, 16 pivotably mounted on the blade so that during rotation, the teeth swing outwardly by centrifugal force beyond the periphery of the cutting edge 4 of the blade. The blade 2 which is mounted on some form of carriage is movable so as to cause the blade to move into the kerf formed by the U-shaped cutting blade during severing of the roll of material so that the projected gouging teeth remove the waste material. When all the material on the roll has been severed by the U-shaped blade and the waste removed, the rotation of the blade is stopped or slowed down so that the teeth retract into recesses 10, 12 formed in the blade, thereby allowing the cutting edge 4 on the blade to finally sever the core structure, e.g. of cardboard. In a modification, the gouging teeth may be arranged to move radially outwardly in recesses (28, 30) Fig. 3 (not shown) formed in the blade. In the embodiment shown in Fig. 5, gouging teeth 34, 36 are secured by, e.g. screws or rivets 38 to the blade 4 which is rotated by means of a motor 44 via a belt-and-pulley drive. A pulley shaft 52 is provided with an element 72 adapted to coact with a limit switch 68. When the U-shaped cutter has finished cutting the material, the switch 68 is brought into circuit so that upon being actuated by the next revolution of the shaft 52 a brake 51 is energized so that the shaft 52 is locked in such a position that the gouging teeth 34, 36 do not contact the core structure. In further modifications, the gouging teeth may be replaced by pointed projections, e.g. needles and instead of the teeth being moved outwardly by centrifugal force such movement can be effected by a cam-and-follower device.
Patent GB-1330864-A (GB)
Title: Scanned holography systems using temporal modulation
IPC: G03H1/00
Filed: 1970-08-24
Abstract: 1330864 Holography AMERICAN EXPRESS INVESTMENT MANAGEMENT CO 24 Aug 1970 40693/70 Heading G2J [Also in Division H4] In an on-axis hologram recording system the frequency relationship between the object and reference beams is cyclically temporally offset and whereby the resultant interference pattern contains information relative to conjugate images of the object. Preferably a frequency shifter 24, e.g. an electro-optic crystal is located in the reference beam path 14 before it is brought onaxis with the object beam 20. (It may alternatively be located in the object illuminating beam). The frequency shifter 24 desirably introduces a frequency shift of w, or a saw-tooth cycle. The interference pattern is formed in a plane 22, where it may be recorded. This is scanned electrically and the resultant electric signals are subjected to a filtering process at 34, a mixing process at 36 and further filtering at 38 before an image is formed on the CR740 containing only information regarding the image conjugates. See Figs.3-5 (not shown). This pattern is recorded at 39 as a hologram. In a preferred embodiment (Fig.6) the reference beam is brought to a point focus 43 which appears to emanate from the centre 41 of the object 12. In reconstructing the image a lens may be located after the hologram plate thus for ming a real focussed image of the object. In a further embodiment using incoherent light a beam splitter 140 (Fig. 14) divides an incoherent beam from the object into two parts which go opposite ways around a triangular path before recombining at the beam splitter. A lens 156 in one leg of the path gives one to two images of different magnification which in superposition give rise to the holographic interference pattern. The frequency modulator, e.g. a rotating half-wave plate is located in another leg of the path. In a further embodiment an electro-optic crystal frequency modulator 24 Fig. 8 (not shown) is located in the beam path before it divides into object and reference beams and cyclically temperally modulates differentially those parts of the beam polarized orthogally. A birefringent crystal (55) splits the beam according to polarization. To get interference a linear polarizer is located in the recombined beam paths. In other embodiments the interference pattern in plane 22 is scanned electronically and the two functions relating to the real and imaging conjugate images are separated electronically using phase shiftes Figs.9, 12 and 13 (not shown). Thus separate holograms of these two functions are recorded, a true image being reconstructed only when images reconstructed from these holograms are superposed. The two functions may be recorded down separate channels or on a single medium separated according to polarisation e.g. as a vectograph.
Patent GB-1332025-A (GB)
Title: Construction of automobiles
IPC: B62D65/00
Filed: 1971-04-14
Abstract: 1332025 Seat arrangements; vehicle bodies; vehicle steering mechanism A P PEDRICK 14 April 1971 8756/71 Headings B7J B7B and B7H  A motor vehicle having at least one passenger seat 4 in front of and at a lower level than a driver's seat 3. The passenger cab is formed as a unit which slides forward on guides 11 relative to the chassis in the event of the vehicle hitting an obstruction. The cab is connected to a spring 16 which decelerates the cab. Inflatable air bags may be attached to the front of the cab to cushion impact of the cab hitting the obstruction or landing on the ground. The steering, accelerator and brake linkages 32 within the cab are disconnectably coupled at 33, 42 to corresponding linkages within the chassis. Spare wheels (17), Fig. 4 (not shown), are arranged at the front and rear of the vehicle and are urged outwardly of the vehicle by springs to form resilient bumpers.