baber/WOPTO huggingface dataset:
Patent GB-752674-A (GB)
Title: Improvements relating to axial-flow compressors
IPC: F04D29/32
Filed: 1954-03-23
Abstract: 752,674. Axial-flow compressor blades. DAIMLER-BENZ AKT.-GES. March 23, 1954 [March 24, 1953]. No. 8467/54. Class 110(3) [Also in Group XXXIII] An axial-flow compressor blade assembly comprises main vanes and supplementary vanes of less radial length disposed in front of or to the rear of the respective main vanes. Alternatively, the vanes may be slotted over a part only of their radial length. The invention is shown applied in the case of rotor blading in Figs. 1 and 2, the gas flow being from right to left. A supplementary vane 12 is disposed upstream of the main vane 11, a gap 13 being formed between the two vanes. In a second embodiment, a supplementary vane is disposed downstream of the main vane. In Fig. 5 a slot 16 is formed through the vane 11 extending from the root to an intermediate point along the vane. The purpose of the invention is to increase the lift coefficient of the vanes by allowing the medium to flow from the pressure to the suction side thus accelerating the boundary layer which tends to break away.. The supplementary vanes may be adjustable during operation so that an alteration of stage pressure increase can be obtained' while the through-flow volume remains. constant.
Patent GB-1503825-A (GB)
Title: Reflector casing with a curved wall reflecting the light
IPC: F21V7/00
Filed: 1976-03-03
Abstract: 1503825 Lamp reflectors OCE-VAN DER GRINTEN NV 3 March 1976 [4 March 1975] 08491/76 Heading F4R A reflector comprises a curved resilient reflective foil 1 having the shape of a developable ruled surface and a supporting structure for the foil consisting of a pair of side walls 7, 8 rigidly connected by rods 11, 12 and a plurality of spaced foil-shaping supports 2-6 hingedly mounted on the rod 11 and held in operative position by a removable rod 20. The side walls 7, 8 are lined with plane mirrors 9, 10 and their edges, on the sides directed towards the foil 1, are shaped to fit the contour of the foil and hold it against the supports. The longitudinal edges of the foil are fixed between strips 21-24, and a tubular lamp 16 extends through holes 15 in the side walls and is mounted in lamp holders (not shown). In a modification (Fig. 4, not shown) the foil is held between projections (64, 65) at opposite ends of the supports (58).
Patent GB-996092-A (GB)
Title: Method and apparatus for producing single or multi-layer tablets
IPC: A23G3/20
Filed: 1963-03-04
Abstract: 996,092. Rotary table tabletting machine. H. KRUSE, [trading as WILHELM FETTE PRAZISIONSWERKSENG - FABRIK]. March 4, 1963 [March 22, 1962], No. 8496/63. Heading B5A. In a method for producing tablets, material is supplied within a ring-shaped zone defined by stationary upstanding walls 3, 4, 5, to the surface of a rotary table 2 having a series of tablet-forming matrices 1, the material being swept towards and away from the matrices as the table rotates, so that the tablet-forming material rotates at a lower speed than the table. In the embodiment described, the walls 3, 4, 5 are provided with blades 6 and segmental guide walls 7. In operation two materials G and G 1  are supplied to filling zones over the sector S, and material G is swept towards the matrix 1 by blades 6. As the wheel rotates in direction P, the material G is swept away from the matrices and in sector S 1  that remaining in the matrices is pressed, the entry of further material being prevented by segmental wall 7. In sector S 2  the second material G 1  is swept towards the matrices, and in similar manner as above, the material is pressed in sector S 3 . Further material G 1  is added and pressed in sectors S 4 , S 5 . Further material is swept towards the matrices in sector S 6 , in S 7  final pressing occurs, and in S 8  the finished multilayer tablets are lifted out of the matrices by a bottom plunger and swept to a guide plate 9.
Patent GB-1072541-A (GB)
Title: Lubrication apparatus
Inventor: ADAMS GEORGE EDWARD
IPC: F16N7/32
Filed: 1965-02-27
Abstract: In a means for supplying a mixture of soap and water in pre-determined proportions, a float-operated valve gear (8), Figs. 4 and 5 (not shown), is actuated by a float (62) as determined by the level of soap/water mixture in a tank (12).  When the mixture is at a low level, a valve (61) is operated to pass pressurised-air via a pipe (63), Fig. 1 (not shown), to actuate a valve (59) for passing air from a pipe (43c), via a pipe (64) to a water-inlet valve (65) and to a valve (66).  The valve (65) opens to admit water into the tank (12) from a mains water-connection (67) and the valve (66) opens to allow pressurised-air to pass from a connection (21), via pipe lines (23, 23b and 23d), to act on a level (15a) of soap in a measure (15), via a pipe (69), connection (70) and a pipe (69a).  The contents of the measure (15) is forced through a non-return valve (17), pipe (71) and soap-inlet connection (72), into the tank (12).
Patent GB-870247-A (GB)
Title: Storage of acetylene
Inventor: MILLER SAMUEL AARON
IPC: C10L3/04
Filed: 1959-03-12
Abstract: A granular porous mass comprising kieselguhr bonded with a cellulose ether or a mixture of cellulose ethers having adhesive properties, of particles size 8-72 mesh (B.S.S) and having a total to intergranular, porosity ratio 79: 17,5, the cellulose ether(s) forming about 10% by weight of the final product.
Patent GB-975922-A (GB)
Title: Polymethine dyes,processes of making them and photographic elements containing them
IPC: G03C1/83
Filed: 1961-03-09
Abstract: 9-Formylvinyl-julolidine is prepared by adding paraldehyde to 9-formyl-julolidine in concentrated sulphuric acid at 0 DEG C., pouring the product on ice and treating with sodium carbonate.ALSO:The Specification relates to methine dyes of the general Formula I <FORM:0975922/C4-C5/1> wherein Q is a pyridinium or quinolinium group, substituted or not, and joined to the carbon atom through its nitrogen atom, W is a benzoyl, cyano or 2-benzothiazolyl group, P is a dialkylamino-aryl or 9-julolidinyl group or the group <FORM:0975922/C4-C5/2> (to give a symmetrical dye), m is 0 or 1 or, when the dyes are symmetrical, m may be 2, and X is an anion.  The unsymmetrical dyes are prepared by condensing a compound of the formula P1-CH(=CH-CH)m=O (where P1 is dialkylamino-aryl or 9-julolidinyl) with a pyridinium or quinolinium salt of Formula V [Q-CH2-W]\sJx\sK.  The symmetrical dyes are prepared by condensing a salt of Formula V with a trialkoxypropene, a dialkoxymethyl acetate, a trialkyl orthoformate or glutaconic aldehyde dianil hydrochloride. The pyridinium group Q may carry a bromine atom or methyl group in the 3-position or a phenyl substituent.
Patent GB-672901-A (GB)
Title: New vat dyestuffs of the acedianthrone series
Filed: 1949-03-30
Abstract: Mono- and di-(arylamino)-acedianthrones, wherein the aryl group are of the benzene or naphthalene series, are made by condensing aminoacedianthrones with halogenaryl compounds containing at least one halogen atom attached directly to a benzene or naphthalene nucleus or by condensing nitroacedianthrones or halogenacedianthrones with amines of the benzene or naphthalene series.  The products may be carbazolized with acid condensing agents.  The products dye and print cotton brown shades.  In examples, monoaminoacedianthrone (obtained by nitrating acedianthrone in sulphuric acid and reducing) is condensed with (1) p-bromotoluene, followed by carbazolization with aluminium chloride in nitrobenzene; (2) a -chloronaphthalene; (3) b -chloronaphthalene, followed by carbazolization.  Also in examples: (4) diaminoacedianthrone (obtained by dinitrating acedianthrone in sulphuric and reducing with alkaline sodium hydrosulphite) is condensed with b -chlornaphthalene (two mols.) or a -bromonaphthalene, followed by carbazolization; and (5) mononitroacedianthrone is condensed with p-toluidine. Specifications 410,552 and 453,853 are referred to.
Patent GB-736202-A (GB)
Title: Improvements in or relating to the control of electric motors
IPC: H02P23/00
Filed: 1952-04-04
Abstract: 736,202. Control of A.C. motors. DRAYTON REGULATOR & INSTRUMENT CO., Ltd., and GROVER, R. V. April 1, 1953 [April 4, 1952], No. 8753/52. Class 38 (3). Relates to the control of single-phase motors having auxiliary field windings for effecting reversal of the motor. As shown, the motor has a squirrel cage rotor 1 and the series-connected main field windings 7 are supplied from terminals 9 through a phase-displacing capacitor 8. A reversing switch 15 for the motor is adapted selectively to connect auxiliary field windings 10 in series between a centre tapping of a low-voltage transformer winding 12 and either end of the low-voltage winding. In an alternative arrangement, the capacitor 8 may be connected in series with the primary winding 14 of the transformer, the main field windings being connected directly to the supply. In a modification, two auxiliary field windings are provided on each of the poles 5 and 6, and a reversing switch selectively connects one or other of the auxiliary field windings on each pole in series and to each end of the low-voltage winding 12. In Fig. 2, the motor is coupled through a gear train 20 to drive a shaft 21 connected to the operating spindle of a valve. Variation of the temperature of a bulb 22 displaces an arm 26 which rotates a spindle 32 and causes one or other of the mercury switches 35 to complete a motor circuit for opening or closing the valve. The shaft 21 carries a cam 36 engaging a bell crank lever 37 which is slotted to receive a connecting rod 42 the other end of which selectively engages in spaced notches in a U-shaped member 33. Thus, the position of the spindle 32 relative to the linkage 30, 31, is altered in accordance with the position of the valve so that the temperature-variation required to cause sufficient tilting of the switches 35 to start the motor is related to the valve-position.
Patent GB-958601-A (GB)
Title: Improvements in or relating to circular knitting machines
IPC: D04B9/20
Filed: 1961-03-10
Abstract: The clutch changing the drive of the cylinder of a circular machine from rotary to reciprocatory knitting is operated at a time whereafter the speed of the cylinder is gradually reduced.
Patent GB-915739-A (GB)
Title: Record media transport mechanism
IPC: G06K13/30
Filed: 1961-03-10
Abstract: 915,739. Feeding webs. NATIONAL CASH REGISTER CO. March 10, 1961 [March 14, 1960], No. 8788/61. Class 100 (1). [Also in Group XIX] A mechanism for feeding tape past a datareading station has an electromagnetic braking device to stop the tape quickly and driving- means comprising two continuously-rotated driving members in frictional engagement with the tape, one of the driving members carrying electromagnetic control means to establish an attractive force between the members upon de-energization of the braking device. As shown, tape 20 passes between an armature 24 of a brake 23 and, co-operating member 25 having winding 29 energized to stop the tape. The armature 24 is carried by a block 26 mounted on a block 28 by a hinge 28 to permit pivotal movement of the block 26 when a new tape is to be inserted. Tape is drawn through a reading station 41 having photo-diodes 48, for sensing perforations in the tape, by a capstan 62 co-operating with an annular member 63. The capstan 63 is continuously driven by a shaft 64 extending through a circular plate 65 rotatable in a frame 22, the plate being locked in position by guides 20. The capstan has a winding 71, Fig. 6 (not shown), beneath polepieces 84 and supplied with current through slip-rings 80. The annular member 63, Fig. 1, rides freely on a continuously-driven drive-wheel 90. De-energization of the coil 29 by a control circuit, not shown, causes automatic energization of the winding 71, thereby causing annular member 63 to be magnetically attracted to the capstan 62, thus causing rapid acceleration of the tape 20. In another embodiment, Figs. 7 and 8 (not shown), a roller 301 of magnetic material mounted between arms 302, 303 co-operates with a capstan 62. The arm 303 is counterbalanced by weights 306.
Patent GB-851618-A (GB)
Title: Permeable membrane and method of producing the same
IPC: B01D67/00
Filed: 1958-03-19
Abstract: A permeable aluminium membrane for separating gaseous isotopes by gaseous diffusion is characterized by a plurality of permeable spaced portions of aluminium oxide which extend through the thickness of the foil and which are formed by anodic oxidation of the aluminium. Specification 824,594 is referred to.
Patent GB-969165-A (GB)
Title: Resistance monitor for welding systems
IPC: B23K11/24
Filed: 1963-03-05
Abstract: 969,165. Control systems for resistance welding. ROBOTRON CORPORATION. March 5, 1963 [March 7, 1962], No. 8792/63. Heading H2H. In a resistance welding system sample pulse voltages are applied across the workpieces to be welded for the purpose of deriving an output signal which is dependent upon the series resistance of the workpieces. As shown, sample voltage pulses such as 14, 16 &c. having a waveform C, are generated independently of the welding pulses which have a voltage waveform A. The sample pulses, derived from a circuit including a transformer 38, diode limiters 48, 50 and a differentiating network 52, 54 are applied to the composite workpiece 36, the potential across which, as sensed by a peak voltage indicating meter 58, is representative of the series resistance of the workpiece. In a preferred embodiment (Fig. 3, not shown), the sample pulses are generated in a prescribed phase relationship with the welding pulses, and monitoring of the resistance continues during the actual welding operation; the resistance signal information is used to control discrete welding current inputs, the arrangement being such that control can be effected for single halfcycle welds. Specification 828,131 is referred to.
Patent GB-1160621-A (GB)
Title: Improvements relating to Difficulty Water-Soluble Anthraquinon Dyestuff and their use
IPC: C07J1/00
Filed: 1967-02-24
Abstract: 1,160,621. Anthraquinone azo dyestuffs. J. R. GEIGY A.G. 24 Feb., 1967 [25 Feb., 1966], No. 8864/67. Heading C4P. The invention comprises azo-anthraquinone dyestuffs free from salt-forming water solubilizing groups and having the general formula wherein R 1  is H or C 1 -C 5  alkyl, X is a radical of an organic hydroxyl compound linked via the oxygen atom of the hydroxyl group, or a primary, secondary or tertiary amino group, Z is an optionally substituted carbocyclic-aromatic or heterocyclic aromatic radical and ring A may be further substituted. They are prepared by (1) condensing an anthraquinone having a 4- halogen, hydroxy, alkoxy or nitro group with an appropriate amino azo dye preferably in an excess of amine in a melt at 70-250‹ C. or in an organic solvent at 100-160‹ C. with an acidbinding agent and a catalyst, (2) condensing an anthraquinone-2-carboxylic acid halide with a compound HX preferably in an organic solvent, (3) reducing the corresponding 1- nitro compound, (4) condensing an anthraquinonel-halo, alkoxy, hydroxyl or nitro compound with an amino compound H 2 N-R 1  or (5) reacting an anthraquinone - 1 - nitro or 1 - NHR 1  - 2 - carboxylic acid ester with ammonia or a primary or secondary amine to obtain the 2-carboxylic acid amide and when Q is a nitro group simultaneously reducing this to the amino group. They are used to dye cellulose 2, 2¢ or tri-acetate, polyesters and nylon 6, 66 or 11 in green shades.
Patent GB-621793-A (GB)
Title: Improvements in apparatus for controlling the frequency of an oscillator
IPC: H04N5/12
Filed: 1946-03-22
Abstract: 621,793. Phase-difference measurements. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. March 22, 1946, No. 8936. Convention date, March 22, 1945. [Class 37] [Also in Groups XXXV and XL (b)] The phase difference between synchronizing pulses a and a sinusoidal oscillation developed at 51 is measured by applying the pulses a to the diodes 44, 45 in push-push, and the sinusoidal oscillation in push-pull ; in the time relationship of pulse and oscillation shown in Fig. 2, the outputs of the diodes are equal and opposite, but should this time-relationhsip vary, e.g. as in Fig. 3, one diode has a greater output than the other. The diode outputs are differentially combined to produce a signal whose sign and magnitude is dependent on whether the pulse leads or lags the oscillation and the extent of such lead or lag. This signal controls a reactance valve to vary the frequency of the oscillator 51 which controls a sawtooth generator 91-101.
Patent GB-312681-A (GB)
Title: Improvements in or relating to metal canisters
IPC: B65D45/16
Filed: 1929-03-21
Abstract: 312,681. Binds Chedler, R. May 31, 1928, [Convention date]. Stoppers secured by clips. -A metal canister for preserves &c. comprises a cover B and a rubber washer interposed between it and the rolled edge D of the container A. Radially disposed clips G abut with their curved ends on the bottom of the part D and are pressed down on the cover to seal the closure. The clips G may be elastic or rigid and may have heel portions G<11> which engage the part B<1> on the cover. The rolled edge D may be reinforced by a metal &c. band and may be notched to accommodate and locate the clips. An annular groove may be provided in the body of the container A to accommodate the part B<1> of the cover to add to the airtightness thereof.
Patent GB-879380-A (GB)
Title: Filmed articles and method of making the same
IPC: H01B1/00
Filed: 1959-03-17
Abstract: A transparent multi-layer coating of uniform thickness is formed by thermal evaporation on a transparent siliceous (e.g. glass) body by successively depositing a smooth base layer, an adhesive layer of metallic oxide and a metallic layer.  A second adhesive layer may be deposited on the metallic layer and a final protective layer then applied.  The base layer may consist of MgF2, ZnS, SiO, SiO2, Al2O3, TiO, TiO2, ZrO2 or ZrSiO4; the adhesive layer(s) may consist of Fe2O3; the metallic layer mhay be of Au, Ag or Cu; and the protective layer may be of SiO2.  Electrodes are provided to contact marginal surface portions of the metallic layer in order that the article may be heated e.g. to de-ice a windscreen.  A coated glass sheet may be laminated to an uncoated sheet e.g. by means of polyvinyl butyral.
Patent GB-842514-A (GB)
Title: Improvements in and relating to seed sowing machines
IPC: A01C7/04
Filed: 1958-03-24
Abstract: 842,514. Seed sowing machines. McCUBBING, J. March 19, 1959 [March 24, 1958], No. 9301/58. Class 6(1). A seed sowing machine comprises a rotatable container 15 the base of which is provided with a plurality of seed receiving apertures 18 which successively register with two apertures 19, 19a in a fixed plate 14 to which are connected seed tubes 20 leading to two cutters 11a. A fixed brush 21 is provided, the bristles 22, 22a of which bear on the bottom of the container directly over the apertures 19, 19a in the plate to eject seed from the container base. The container is rotated by bevel gearing 17 from a shaft 13 on which are mounted rollers 11. The machine is coupled to a tractor by means of a three point connection 23.
Patent GB-772803-A (GB)
Title: Improvements in or relating to solid polyethylene products
Inventor: BRUCE CHARLES RICHARD
IPC: C08J7/12
Filed: 1954-03-30
Abstract: The receptivity to printing inks and adhesives of surfaces of polyethylene products, e.g. films, sheets, tubes and bottles, is improved by treatment with an aqueous solution containing (a) a water-soluble permanganate in a proportion of at least 4 gms. per 100 mols. of water and sulphuric acid to give an acid concentration (as sulphuric acid) of 10 to 30 per cent in the solution, (b) a water-soluble chromate or dichromate in a proportion of at least 30 gms. per 100 ml. of water and sulphuric acid to give an acid concentration (as sulphuric acid) of not more than 30 per cent in the solution, or (c) at least 35 per cent of chromium trioxide, the treatment being followed by washing and drying.  The treatment may be made continuous by passing filmthrough a bath, and the duration of the treatment may be shortened by raising the bath temperature.  The polyethylene may contain plasticizers, e.g. raw or hydrogenated rubber and polyisobutylene, slip agents, pigments and antioxidants. Specifications 581,279, 581,717, [both in Group IV], and U.S.A. Specification 2,668,134 are referred to.
Patent GB-819391-A (GB)
Title: Improvements in or relating to shell moulding
IPC: B22C1/16
Filed: 1957-03-22
Abstract: 819,391. Mould materials. FORD MOTOR CO. Ltd. March 22, 1957 [May 7, 1956], No. 9413/57. Class 83 (1). A shell-moulding-method comprises the use of sodium-silicate as a binder, the mix being placed against a heated pattern and heated to a temperature of 400-550‹ F. The mix may be blown between the hot pattern and a hot back-up plate, or on to the pattern. The pattern is preferably heated to a temperature of 250- 550‹ F. to obviate the necessity for a parting medium, since at such temperatures the water in the mould mix boils out and forms a vapourcushion between the mould and the pattern. Inhibitors such as basic-metal salts, zinc oxide, potassium and sodium fluosilicates may be added to decrease the effect of humidity on tensile strength during storage. Up to 2 per cent of organics, such as coal tar, pitch, sea coal and asphalt to improve the green strength &c., and an oil lubricant such as 1/3 per cent of kerosene or soya-bean oil, may be added.
Patent GB-1101432-A (GB)
Title: A method of feeding pigs or poultry and a feed for the same
Inventor: BRIGGS MICHAEL HARVEY
IPC: A23K50/15
Filed: 1964-03-06
Abstract: A feed for pigs or poultry comprises 10% to 50% of a protein supplying the essential amino acids and from 1% to 20% of urea, buiret, an ammonium salt of an organic carboxylic acid, ammonium carbonate or an ammonium phosphate.  The preferred source of amino acids is yeast, including hydrolysed yeast, but other sources specified are fungi, algae, soya bean oil meal, and leaf proteins. In the examples urea, yeast or hydrolysed yeast, and molasses together with mineral and vitamin supplements are fed to pigs and poultry as liquid or paste feeds, or mixed with barley meal as a dry feed.
Patent GB-590295-A (GB)
Title: Improvements in or relating to cuff links
IPC: A44B5/00
Filed: 1945-04-17
Abstract: 590,295. Cuff-links. PERCIN, M. G. G. de. April 17, 1945, No. 9594. Convention date, Oct. 30, 1943. [Class 43] A cuff-link held in position either for insertion or for wear by a bar 3 housing a spring 2, the ends of which are secured to p.ns 1, 1<1> integral with the links proper 4, 4<1>, and moving in slots 6 in the bar, has a stop 5 on the inner face of each of the links. In one position the links are arranged in alignment with the bar, and are locked there by the spring 2 which holds the end of the bar between the lower face of the link and the stop 5. When the link is in the bottom hole the ends of the bar 3 are freed by pulling the links and turning them into a position at right angles to the bar; the bar is thus locked between the stop 5 and the upper end of the link 4. In a modification, one of the links is fixed. The shape of the links may be modified by the use, within the link, of some other form of abutment for engaging the end of the bar.
Patent GB-261981-A (GB)
Title: Improvements in record files
IPC: B42F17/00
Filed: 1926-04-13
Abstract: 261,981. Schwarz, A. Jan. 23, 1926, [Convention date]. Barrel and cylindrical hinges; multiple hinges. - Plates 5, having devices on them for filing leaves, may be assembled in book form, by forming them with eyes 5' hinged by pins to links 14 connecting them to adjacent plates.