baber/WOPTO huggingface dataset:
Patent GB-1427963-A (GB)
Title: Magnetic recording media
IPC: G11B5/708
Filed: 1973-06-12
Abstract: 1427963 Magnetic record cards BADISCHE ANILIN- & SODA-FABRIK AG 12 June 1973 [13 June 1972] 27802/73 Heading B2E A magnetic recording medium in card form comprises a flat non-magnetic support, a magnetic coating on one side of a support and a backcoating on the other side of the support comprising (i) 20 to 50% by weight of a polymeric binder of which 10 to 60% by weight is an elastomeric polyurethane, and (ii) 80 to 50% by weight of a non-magnetic pulverent mixture of 10 to 40 parts by weight of electrically conductive carbon powder, and 40 to 90 parts by weight of an intimate mixture of 20 to 45% by weight of mixture of kaolinite powder in the form of platelet-shaped particles and 55 to 80% of quartz powder in the form of spherical particles. The non-magnetic mixture optionally contains 5 to 40 parts by weight of corundum powder in the form of spherical particles. The backcoat is preferably 7 to 13Á thick and has a resistivity (in Examples) of about 10<SP>3</SP> ohms/ square. The support is usually p.v.c. polyester and the magnetic coating is preferably acicular γ-Fe 2 O 3  in a polyurethane binder (in Examples). The polyurethane binder used in the non-magnetic backcoat is preferably made from a hydroxyl-containing polyester formed from a C 2-  6  aliphatic diol and a C 2-12  aliphatic dicarboxylic acid and optionally a C 3-12  aliphatic hydroxy-carboxylic acid or lactone, reacted with an amount of a diisocyanate such that all the isocyanate groups react with the polyester's hydroxyl groups. The balance of the binder may comprise copolymers derived from predominant amounts of vinyl or vinylidene chloride and comonomers such as vinyl esters (e.g. acetate), (meth)acrylic esters, acrylonitrile, or methacrylonitrile, polyamides; non-elastomeric polyurethanes: mixtures of butylated melamine-formaldehyde precondensates to form polyvinyl acetals (e.g. butyral); acrylonitrile/butadiene copolymers; vinyl chloride/ vinyl alcohol copolymers; or epoxy resins. Copolymers of vinyl chloride with vinyl acetate may be hydrolised. The backcoating may also containpowdered fused alumina and lecithin. Many of the physical propertiesof the backcoating are mentioned.
Patent GB-898872-A (GB)
Title: Improvements in the manufacture of crystalline silicon
Inventor: MORRIS GEORGE OSWALD
IPC: C01B33/02
Filed: 1959-08-14
Abstract: <PICT:0898872/III/1> <PICT:0898872/III/2> <PICT:0898872/III/3> A molten zone is passed downwards in an inert or reducing atmosphere through a mass of silicon pieces or granules contained in a silica tube, the upper surface of the mass being in contact with a carrier member so as to form a rod of reduced diameter attached to the carrier member.  The carrier member may be of metal, graphite, a ceramic material, or silicon.  The silica tube may be externally air- or water-cooled.  The molten zone may be produced by radiant or induction heating.  In the latter case, the mass of silicon may be preheated by conduction from the carrier member or by radiation. Relative movement may be effected between the carrier member and the tube so as to control the diameter of the rod.  A molten zone may be passed at a rate of 6-12 inches/hr. through silicon particles of up to 1/4 inch mesh size in a 1 inch diameter tube.  As shown in Figs. 1 and 2, a molten zone is formed in a rod of silicon 3 by means of a resistance heating element 4 and induction heating coil 5, and this molten zone is caused to pass down through a mass of silicon 2 in a silica tube 1 by relative movement of coil 5.  The resulting elongated rod may be removed from the tube and zone-melted in known manner or may be further zone-melted in situ in the same or the reverse direction provided that a layer of unmelted silicon is retained at the bottom of the tube.  As shown in Fig. 3, a second carrier member 10 is held in a chuck 9 of a closure member 8 at the lower end of an open-ended tube to enable repeated zone-refining to take place in situ without distortion.  After initial formation of a single rod using a mono-crystalline silicon seed 10, a molten zone may be passed upwards to produce a mono-crystalline rod.
Patent GB-602903-A (GB)
Title: Improvements relating to pit props
IPC: E21D15/28
Filed: 1945-10-23
Abstract: 602,903. Pit props. ATELIERS DE CONSTRUCTIONS MECANIQUES ARMAND COLINET SOC. ANON. Oct. 23, 1945, No. 27885. Convention date, June 21, 1939. [Class 20(ii)] A pitprop comprising relatively slidable prop parts with a locking arrangement therefor, has means for relieving the pressure on the locking arrangement as a preliminary to releasing the locking device. The upper slidable member 3, Fig. 1, may be locked between a thrust block 5 and a pair of superimposed wedges 6, 7 in a collar 2, by a main wedge 4, the collar, block 5 and wedge 6 being supported on the lower member 1 of the prop. The wedge 7 has an extension having spaced bearings for similarly spaced bosses 9, 10, Fig. 2, on a key piece 8 interposed between the wedges 6 and 7. On striking the key piece . endwise, slight relative displacement between the wedges 6, 7 occurs, thereby relieving the locking pressure on the wedge 4 and permitting that wedge to be withdrawn to ease the prop. According to a modification the key piece 8, Fig. 4, may be located between stepped portions of the wedges 6. 7.
Patent GB-1178569-A (GB)
Title: Storing Device for Code Combinations of Teleprinters or Similar Machines
IPC: H04L13/08
Filed: 1967-06-16
Abstract: 1,178,569. Telegraphy. ING. C. OLIVETTI & C. S.p.A. 16 June, 1967 [24 June, 1966], No. 27927/67. Heading H4P. A mechanical store having a capacity of several code signals comprises a number of storage cells similar to that described in Specification 1,159,835, and is characterized by a screw and mit arrangement in which the screw is rotated simultaneously with the read-in member of the cells and in which the nut is rotated simultaneously with the read-out member of the cells. The embodiment described employs five storage cells each associated with one bit-position in the signal to be stored and each with a capacity of 12 bits. Each cell has a read-in and a read-out member which is rotated about the axis of the cell by one storage position after a bit has been read in or out. Rotation after read-in is controlled by worms 29 and after read-out by worms 32, Fig. 3. Operation of a character key sets up code bars which are coupled to the storage cells and releases clutch 31 so rotating shaft 30 thus causing the read-in members to step to the next storage position. When shaft 30 rotates it drives screw 35 so that nut, or sleeve, 38 moves rightwards, allowing lever 47 to rotate clockwise. Via mechanism, not shown in Fig. 3, clutch 34 is released and shaft 33 rotates, so reading out the stored code. The code read out sets up output slides which are scanned for serial transmission of the code. Shaft 33 drives nut 38 rightwards. If and when the storage cells are filled, i.e. 12 characters are stored, nut 38 has moved so far to the right that lever 62 is moved clockwise and mechanism, not shown in Fig. 3, locks the keyboard and so prevents further characters being stored. The keyboard remains locked until the nut is returned to the position shown, i.e. the store is empty. Two further cells are provided and are associated with the case shift mechanism. If the case shift key is operated the appropriate code is stored on the five cells previously referred to, but if a key in one case is operated after a key in the other case the further cells store an indication of this fact and prior to the transmission of the second character the appropriate case-shift signal is automatically set up on the output slides, read-out from the five cells being prevented until this signal has been sent. To permit correction of typing errors the arrangement may be modified so that read-out does not occur unless there are at least three characters in the store. To correct an error the three characters are cancelled from the store and the operator retypes. The three stored characters are read-out when required by operation of a further key.
Patent GB-483308-A (GB)
Title: Manufacture of isocyanates
Filed: 1936-10-14
Abstract: Isocyanates are obtained by the action of phosgene on amines of the formula RXR1NH2, where R is an alkyl group of at least seven carbon atoms, X is -CH2-, -O-, -S-, or -OOC-, and R1 is a residue of the benzene series, which may be substituted, e.g. by halogen or an alkyl, alkoxy or nitro group; the amines may be treated as such or in the form of their salts.  The reaction is preferably effected at about 50-70 DEG  C. in the presence of a diluent, e.g. benzene or toluene.  Examples are given of the preparation of (1) p-cetylphenyl isocyanate from p-cetylaniline hydrochloride or oxalate; (2) p-dodecylphenyl isocyanate from p-dodecylaniline or its hydrochloride; (3) 2-methyl-4-dodecylphenyl isocyanate from 2-methyl - 4 - dodecylaniline hydrochloride; (4) 3-nitro-4-dodecylphenyl isocyanate from 3-nitro - 4 - dodecylaniline hydrochloride; (5) 2-nitro-4-dodecylphenyl isocyanate from 2-nitro - 4 - dodecylaniline hydrochloride; (6) p-cetyloxyphenyl isocyanate from p-aminophenyl cetyl ether hydrochloride; (7) p-dodecylthiophenyl isocyanate from p-aminophenyl dodecyl sulphide hydrochloride; and (8) p-carbododecyloxyphenyl isocyanate from dodecyl p-aminobenzoate hydrochloride; the formation of ureas by the reaction of aniline with the products of examples 3-8 above is mentioned.  Specifications 466,127, 468,226, and 469,080 are referred to.  p-Cetylaniline oxalate is obtainable from equimolecular proportions of p-cetylaniline and oxalic acid in ether.  p-Aminophenyl cetyl ether is obtained by treating sodium p-acetaminophenolate with cetyl bromide and hydrolyzing the product.  p-Aminophenyl dodecyl sulphide hydrochloride is obtained by the action of stannous chloride and hydrochloric acid on p-nitrophenyl dodecyl sulphide, which is itself obtained from p-nitrothiophenol and dodecyl bromide in the presence of sodium ethylate.
Patent GB-519696-A (GB)
Title: Device for securing paper or the like to drawing boards or tables
IPC: B43L5/02
Filed: 1938-09-26
Abstract: 519,696. Clips. JENSEN, E. E. Sept, 26, 1938, No. 27989. Convention date, Sept. 25, 1937. [Class 44] [Also in Groups XV and XIV] A device for securing paper on a drawing board or a table comprises a substantially cylindrical spring plunger d provided with a lip m and sliding in a cylinder b, which is mounted in the board, and has an inclined flanged part c to accommodate the lip on the plunger. The plunger may be lifted by finger pressure applied to its lower end, and acts when released, to grip a corner of the sheet. The plunger is held down by a spring e bearing against a cross-pin f. The cylinder b is secured by a threaded sleeve i, which screws on to it and forces a conical member k against a plate l on the underside of the board.
Patent GB-1154715-A (GB)
Title: Improvements in or relating to the Treatment of Hair
Inventor: KALOPISSIS GREGOIRE
IPC: A61Q5/06
Filed: 1966-06-23
Abstract: 1,154,715. Aerosol composition. L'OREAL. 23 June, 1966 [29 July, 1965], No. 28098/66. Heading C4X. [Also in Division D1] An aerosol composition used to treat hair comprises an aqueous solution of formaldehyde in which the concentration of formaldehyde is 0À02-2% by weight. The solution which may be an aqueous alcoholic solution may have a pH of 8-10 and contains at least one of a surface active agent, a dye and a perfume.
Patent GB-871022-A (GB)
Title: Vehicle parking means
Inventor: STRUBEN FRANK EDWARD BEATTIE
IPC: E04H6/30
Filed: 1956-06-06
Abstract: 871,022. Mechanical garages. DE CHAIR, H. G. D. Sept. 5, 1957 [June 6, 1956; Aug. 9, 1956], Nos. 28110/57 and 28111/57. Divided out of 871,012. Class 78 (4). The description is identical with that in Specification 871,012.
Patent GB-1299258-A (GB)
Title: Process for the manufacture of trishydroxymethylphosphine oxide
Inventor: HAAS HANS
IPC: C07F9/53
Filed: 1970-06-10
Abstract: 1299258 Preparing trishydroxymethyl phosphine oxide KNAPSACK AG 10 June 1970 [16 June 1969] 28127/70 Heading C2P Trishydroxymethyl phosphine oxide is obtained by reacting one mol of trishydroxymethyl phosphine with at least one mol water in contact with between 0À1 and 10 weight per cent of formaldehyde as catalyst, based on the weight of the phosphine, at a temperature between 60 and 200‹ C. The formaldehyde may be used either as an aqueous solution or in the form of paraformaldehyde and the reaction is preferably effected in a pressure resistant vessel at between 100 and 150‹ C. using between 1 and 20 mols water and between 1 and 5 weight per cent of formaldehyde as catalyst.
Patent GB-1037929-A (GB)
Title: Method of setting orthogonal equalizers for multi-channel carrier-frequency transmission systems
IPC: H04B3/10
Filed: 1964-07-08
Abstract: 1,037,929. Setting orthogonal equalizers. TELEFUNKEN PATENTVERWERTUNGSGESELLSCHAFT. July 8, 1964 [July 10, 1963], No. 28145/64. Addition to 1,010,313. Heading H4R. [Also in Division G4] In the method of setting orthogonal equalizers described in Application No. 20384/63, i.e. in which a number of pilot frequencies spread over the transmission band are transmitted over the line to be equalized, filtered out at the receiver, and the amplitudes sequentially sampled to produce a waveform the amplitude of which, relative to time, is proportional to the gain-frequency characteristic of the line to be equalized; if the pilot frequencies, which have to be fitted in gaps between the signal channels, are unevenly spread in frequency the sequential switching of the received pilot frequency outputs must occur at times which are related to the frequency gaps between the pilot signals being switched. The timing of the switching is controlled by the astable multivibrator AM shown in the Figure whose switching time is varied cyclically in a pattern corresponding to the pattern of frequency intervals between the transmitted pilot signals. The change in switching time is effected by a reversible shift register B 1  to B 4  only one stage of which is energized at one time and the stepping of which is controlled by the output pulse of multivibrator AM applied to input 2 of the register. When the energized state has passed from B 1  through all the stages to B 4  stage B 5  operates and reverses the stepping sense so that the energized state passes back through B 3  and B 2  to B 1 . The energization of stage B 1  causes the resetting of B 5  and so changes the stepping sense to forward again. As each of the stages of the shift register is energized so the corresponding diode D 3 , D 4 , D 5 , or D 6  is rendered conductive to connect the corresponding resistor R 1 , R 2 , R 3 , or R 4  in the timing circuit of multivibrator AM, the particular resistor being chosen to give a time before the next switching operation appropriate to the frequency gap between the pilot frequencies being switched. Connection 1 is provided on the shift register to reset the register to the initial state with only stage B 1  energized.
Patent GB-830192-A (GB)
Title: Clamping and sealing device
IPC: H01R13/59
Filed: 1957-09-06
Abstract: 830,192. Stuffing-box substitutes. BENDIX AVIATION CORPORATION. Sept. 6, 1957 [Sept. 27, 1956], No. 28242/57. Class 122 (5). [Also in Groups XXV, XXVIII and XXXVI] Means 11, for clamping and sealing, for example, the wires 17 of a multiple-conductor electric cable to a connector element 10, comprises an annular member 20 in screw-threaded engagement with the element 10, a cap 36 provided with screws 44 for adjustably attaching it to the member 20 to compress a resilient grommet 25 to grip the wires 17 which pass through passages 26 therein. The grommet 25 is of frusto-conical shape and has a recess 30 at its larger end for seating on a flange 24 extending inwardly of the member 20; and the passages 26 are provided each with a pierced diaphragm 27 to allow the grommet to accommodate and seal wires of different diameters. When the cap 36, which is of cup-shape, is tightened against the member 20, it distorts the grommet 25 so that the walls of the passages 26 grip and seal the wires 17, and a narrow flange 33 on the larger end of the grommet 25 is flatterened against the end of an insert 14 in the element 10 to provide a seal therebetween. Specifications 648,675 and 721,872 are referred to.
Patent GB-388847-A (GB)
Title: Improvements in or relating to lifting tools
IPC: B25B27/02
Filed: 1931-10-12
Abstract: 388,847. Removing cylinder heads. THOMPSON, J. W., Hyde Park Garage & Engineering Works, Norton, Malton, Yorkshire. Oct. 12, 1931, No. 28248. [Class 61 (iii).] A cylinder head N is removed from the block S by means of a device consisting of a bridge member A fitted at the ends with bosses A1 to rest on the studs R and provided in an intermediate position with a boss A2 apertured to take a lifting bar B which is screw-threaded at B1 to screw into a sparking plug hole M and at B2 to receive a wing nut C ; the lifting bar B has an intermediate collar B3 with flats to facilitate screwing into the cylinder head.
Patent GB-445420-A (GB)
Title: Improvements in power driven transport vehicles
IPC: B60D1/14
Filed: 1934-10-03
Abstract: 445,420. Articulated vehicles. FORTESCUE, A. J., Loftus Street, Arncliffe, near Sydney, Australia. Oct. 3, 1934, No. 28317. Convention date, Oct. 6, 1933. [Class 79 (iii)] [See also Groups XXXII and XXXIV] A compound or articulated transport vehicle for travel over rough ground, ditches &c., comprises a tractor, motor lorry or the like 10 to which is coupled a rear frame 20 mounted on traction wheels 23 and provided at the rear end with a castor wheel or wheels 18, tension members connecting the coupled parts 10, 20 so that the wheels are suspended when passing over hollows in the ground. The coupling means comprises a plate 15 on the front end of the frame 20 pivotally connected by a vertical pin 16 to a plate 14 swivelled about a longitudinal pin 36 in a yoke-like frame 11, the arms of which are clamped to the tractor axle casing 13 by half-collars 12, spring-like connections 17 at the sides normally preserving alignment. The wheels 23 are driven from the tractor wheels 39 by belts or chains 29 tensioned by jockey pulleys or screw adjustments 32. The frame and tractor are also connected by a chain 33 above and a tie-rod 41 below the coupling means 14, 15, the chain 33 being rendered taut or loose at will by rotation of a hand wheel 37 controlling a screwed connection 35. When the chain 33 is loose, the wheels are free to follow undulations of the ground ; when it is taut the combination is rendered more or less rigid for crossing trenches &c. The tie-rod 41 acts through a cushioning spring 42 and safety chains 43 are provided. The castor wheel or wheels 18 are adapted to be raised and lowered by rack-and-pinion gearing 21 in an adjustable extension 19 of the frame 20. For gripping soft ground &c. the traction wheels 23 may each comprise a narrow rim or tyre having spuds disposed alternately on each side and lateral treadplates. As shown in Fig. 4, the wheel is of disc form 24 with spuds 25 clamped between brackets 48, so that they may be adjusted to protrude beyond the periphery, and treadplates 27 to which are bolted treadplates 26 welded to a protecting ring 28 which prevents foreign objects entering sideways between the treadplates. The ring 28 with the plates 26 may be detached when not required.
Patent GB-643089-A (GB)
Title: Improvements in or relating to the preparation of 2:6-dihalogeno diphenyl ethers
Inventor: BORROWS EDWARD TEGGIN
IPC: C07C43/29
Filed: 1947-10-23
Abstract: 2 : 6 - Dihalogenodiphenyl ethers of the formula <FORM:0643089/IV (b)/1> where X is chlorine, bromine or iodine, and R and R1 are as defined below, are prepared by the treatment of the corresponding diaminodiphenyl ether in glacial acetic acid and/or syrupy phosphoric acid with concentrated sulphuric acid and a suitable nitrite, and then the decomposition of the resultant tetrazo compound with a suitable halide in aqueous solution.  R is alkyl, carbalkoxy, <FORM:0643089/IV (b)/2> where Z is alkyl group containing not more than four carbon atoms and Y is a group normally used to protect an amino group, e.g. acetyl or benzoyl; in addition, when R is the alanine type of side chain (-CH2.CH(NHY).COOZ), the compounds may possess optical activity.  R1 is a hydroxyl group, a hydroxyl group protected by etherification or esterification, e.g. methoxyl, or an amino group protected by an acyl group.  By a suitable nitrite is meant an inorganic nitrite, e.g. sodium, or an organic nitrite derived from an aliphatic alcohol of less than six carbon atoms, e.g. amyl nitrite, whilst a suitable halide means cuprous or an alkali metal, chloride, bromide or idodide.  In the examples, (1), (2), 3 : 5-dinitro-4-(41-methoxyphenoxy)-benzyl hydantoin is hydrogenated to the diamino compound, tetrazotised, and treated with aqueous potassium iodide to give 3 : 5 - diiodo - 4 - (41 - methoxyphenoxy)-benzyl hydantoin, the following are also prepared in a similar manner from the appropriate dinitro compounds: 3 : 5-diiodo-4 - (41 - hydroxyphenoxy) - benzyl hydantoin 3 : 5 - dichloro - and 3 : 5 - dibromo - 4 - (41-methoxyphenoxy) - benzyl hydantoin, methyl 3 : 5 - diiodo - 4 - (41 - methoxyphenoxy)-benzoate, 3 : 5 - diiodo - 4 - (41 - methoxyphenoxy) - toluene, and l - 3 : 5 - diiodo - 4-(41 - methoxyphenoxy) - n - acetylphenylalamine ethyl ester.  The 2 : 6-diaminodiphenyl ethers of the process are prepared by reduction of the 2 : 6-dinitro compounds, e.g. by hydrogenation, or with tin and hydrochloric acid.  Samples have been furnished under Sect. 2(5) of the Acts of dl-5-(31 : 51-diiodo-41-p-acetamidophenoxybenzyl) hydantoin, 3 : 5 - diiodo - 4 - p-acetamidophenoxy - n - acetyl - dl - phenylalamine ethyl ester, and 3 : 5-diiodo-4-p-benzoylamidophenoxybenzoic acid methyl ester; all three are prepared as above from the appropriate 3 : 5-dinitro compound.  In the Provisional Specification it is stated that R and R1 may be any group not interfering with the reaction. Specification 642,159 is referred to.
Patent GB-207340-A (GB)
Title: An improved toy or device for use when riding or "jogging" children upon the knee
IPC: A63G17/00
Filed: 1922-10-19
Abstract: 207,340. Parnell, A. F. Oct. 19, 1922. Baby jumpers and the like.-An appliance for use in dancing a child on the knee comprises a padded member a secured to the leg by straps or clips g and fitted with a head k and stirrups d. The head, or the whole appliance may be made inflatable.
Patent GB-814677-A (GB)
Title: Improvements in or relating to gas rings
Inventor: WHITE KENNETH
IPC: F23D14/04
Filed: 1956-09-18
Abstract: 814,677. Gas rings. HURDSFIELD FOUNDRIES Ltd. Sept. 10, 1957 [Sept. 18, 1956], No. 28437/56. Class. 75(1) A gas burner has a drip tray cast integrally with the annular ring thereof and may be united directly to a lower inward region of the ring. As shown, the ring has inner and outer concentric rows of gas emission apertures A and a drip tray D of conical form is cast integrally to the ring burner R by a horizontal web W which is provided with arcuate slots S so that the tray is connected by only narrow regions to the ring to minimize the risk of fracture due to unequal thermal expansion. In the case of a single outer ring of apertures A the slots S may be omitted and the conical sides of the trap united directly to the ring.