baber/WOPTO huggingface dataset:
Patent GB-750992-A (GB)
Title: Improvements in or relating to non-metallic magnetic materials
IPC: H01F1/00
Filed: 1954-02-25
Abstract: A process for producing a magnetic compound of oxides of iron, chromium and lithium (see Group XXXV) includes the step of preparing a solution of ferric nitrate containing 7.81 grams of iron per 100 c.c.s. of solution from iron carbonyl and distilled nitric acid.
Patent GB-265401-A (GB)
Title: Improvements in crankshafts
IPC: F16C3/12
Filed: 1926-03-01
Abstract: 265,401. Royce, F. H. March 1, 1926. Crank shafts for aero and other internal-combustion engines &c. Hollow crank pins b are screw-ended for engagement with screwed eyes a<2> in the webs a<1>, the web ends being also split at a' and tightened upon the pins by bolts and nuts c, c<1>, spherically seated washers c<2>, which may be integral with the bolts and nuts, being provided. The web ends are hollowed out adjacent to the splits a<4> to lighten the shaft.
Patent GB-769358-A (GB)
Title: Improvements in or relating to zig-zag sewing machines
IPC: D05B3/02
Filed: 1955-02-25
Abstract: 769,358. Sewing machines. SOC PER AZIONI FRATELLI BORLETTI. Feb. 25, 1955 [March 30, 1954], No. 5777/55. Class 112. Needles, shifting laterally; needles, driving. In a zig zag sewing. machine in which a needle bar both reciprocates and swings transversely, the needle bar is mounted in a support connected by a leaf spring to the machine frame, a second leaf spring couples the needle bar to a rod adapted to impart swinging movement thereto, and a third leaf spring connects a ball and socket joint on the needle bar to a crank pin adapted to impart reciprocatory movement to the latter. As shown, the needle bar 2 is slidably mounted in a bracket 1 which is connected at its upper end by a leaf spring 4 to the machine frame 3. Bracket 1 is swung by means of a rod 7 connected at its forward end by a leaf spring 8 to the bracket and secured at its rear end to a member 12. The latter has a forked end which embraces a cam 13 mounted on a vertical shaft 14 which is driven by the upper shaft 15 of the machine. Member 12 is pivoted on a pin 18 fixed by a screw 18<SP>1</SP> to a rod 16 slidably mounted in bearings 17, rod 16 passing through an ovalshaped opening 19 in member 12 to allow the latter to pivot relative to rod 16. The needle bar is driven from a crank pin 24 carried by shaft 15 and connected by a leaf spring 25 to a ball and socket joint 21 carried by the needle bar. In a modification, the needle-barcarrying bracket is connected to the frame by a pair of leaf springs so as to swing about a vertical axis.
Patent GB-1260242-A (GB)
Title: Improvements in or relating to microwave relay equipment
IPC: H04B7/155
Filed: 1969-02-03
Abstract: 1,260,242. Radio signalling; frequency changing. NIPPON ELECTRIC CO. Ltd. 3 Feb., 1969 [7 Feb., 1968], No. 5777/69. Headings H3F and H4L. In a radio relay station incoming microwave signals are supplied to a frequency-changer 51 receiving also the output of a local oscillator 55 the resulting I.F. signals being supplied to a further frequency-changer 53. Frequencychanger 53 receives oscillations derived by a frequency-converter 56 from the oscillator 55 and the resulting output is amplified by a travelling wave tube 54 for retransmission. In accordance with the invention the power level of the local oscillations supplied to the second local oscillator is made substantially equal to or less than the power level of the local oscillations supplied to the first local oscillator, the gain of the amplifier 54 being correspondingly increased. This is stated to reduce the total power consumption and to improve the signal to noise ratio as compared with known arrangements in which the power level of the local oscillations at the second frequency-changer is much higher. Noise is reduced further by making the time delay in the path from the local oscillator 55 to the second frequency-changer 53 via the first frequency-changer 51 and I.F. amplifier 52 and the path via the frequency converter 56, substantially equal. Signals may be extracted from the I.F. amplifier via a demodulator 57 and may be inserted via an amplifier 58 whose output angle-modulates the local oscillations at converter 56.
Patent GB-284876-A (GB)
Title: Improvements relating to weft replenishing mechanism of looms for weaving
IPC: D03D45/20
Filed: 1927-03-02
Abstract: 284,876. Steen, J., Maxwell, H. G., and Durham Street Weaving Co., Ltd. March 2, 1927. Shuttles, changing bobbins in, automatically. -In order that ordinary under pick picking mechanism may be used on a loom having automatic mechanism for supplying new bobbins or the like to the shuttles, for example of the kind described in Specification 234,145, a part 2a of the back of the shuttle-box is pivoted at 3<a> to the lay and is adapted to be moved by a projection 4 on the replenishing mechanism to permit the operation of the transferrer 1<a>. Beneath the shuttle is picked, a spring 5 moves the part 2a to complete the back of the shuttle-box as shown in Fig. 4<a> and to afford a guide for the picker.
Patent GB-1260750-A (GB)
Title: Plant growth regulators
Inventor: IWATA TAKASHI
Filed: 1969-02-04
Abstract: 1,260,750. Indazoles. NISSAN CHEMICAL INDUSTRIES Ltd., and FUJISAWA PHARM ACEUTICAL CO. Ltd. 4 Feb., 1969, No- 5822/69. Heading C2C. [Also in Division C1]. Indazoles of formula wherein R is cyano, carboxyl, esterified carboxyl or salt of carboxyl; R<SP>1</SP> is C 1-6  alkylene; X 1  is hydrogen, halogen or trihalomethyl; and X 2  is hydrogen or halogen, are prepared by (a) the diazotization of 2-amino-3,4,5 and/or 6-substituted or unsubstituted cinnamic acid, followed by reduction of the resultant diazonium salt and then heating, and finally esterifying if required; (b) halogenation of 3-hydroxymethyl-lH-indazole with sulfuryl halide and thionyl halide, followed by reacting the product with a cyanide and, if necessary, hydrolysing and esterifying; and (c) reacting a corresponding 1-unsubstituted or 1-alkanoyl-3-haloalkyl indazole with a cyanide.
Patent GB-608524-A (GB)
Title: Foundation garments
IPC: A41C1/08
Filed: 1946-02-25
Abstract: 608,524. Corsets. AMYOT, P. Feb. 25, 1946, No. 5880. [Class 141] A foundation garment or corset has a .back panel built up of an inelastic section 12, an elastic section 15 and an inelastic section' 14, the sections having the shape shown and being united by seams 12a, 14a, so that the sections 12 and 14 cling to the body while the section 15 yields to bending or twisting movements. A fulllength lining 8 of inelastic material with bones 9 is secured within the back panel by a seam 18 and by side seams 19 extending up only slightly above the side junctions of the sections 14, 15, so that the lining is free from the sections 14, 15 and does not impede their stretching. The section 15 is stretchable vertically, the front panel 5 of the corset is inelastic, and the side panels 6 preferably of two-way stretch material.
Patent GB-1444042-A (GB)
Title: Process for treating textile materials
IPC: D06M101/00
Filed: 1974-02-08
Abstract: 1444042 Mercerising HEBERLEIN & CO AG 8 Feb 1974 [14 Feb 1973] 05904/74 Headings D1L and D1P Textile material comprising cellulose fibres is impregnated with a solution of a swelling agent at a temperature of 48 to 97C, not more than 15 seconds after the beginning of the impregnation it is cooled to less than 25C, stretched and washed. The fibres may be cotton, bast, spun rayon or mixtures of cotton and/or spun rayon with synthetic fibres and may be in the form of an assembly of separate yarns or a woven or knitted fabric. The preferred swelling agents are sodium hydroxide of 15 to 30 Be and 5 to 10 lithium hydroxide solution. 0.5 to 5% by volume of methanol, ethanol, n-propanol or nbutanol may be added to improve the wetting and delay the swelling of the outer fibre zone, thereby accelerating the diffusion of the swelling agent into the centre of each fibre. Alternatively the swelling agent may be a solution of an alkylamine, aliphatic diamine, aromatic amine, quaternary organic ammonium hydroxide, pyridine or morpholine. As shown textile material 1 is fed by rollers 2 and guided by rollers 3 through trough 4 containing swelling agent heated by steam tubes 5 then fed by roller 6 to squeege rolls 8. A device for pre-evacuating the material 1 may be provided upstream of trough 4. The residence time in the trough is 4 to 10 seconds. The material may be stored for 3 seconds during which it is again impregnated with the swelling agent by means of roller 12, or a sprayer. It is then cooled, either by passage for 5 to 7 seconds around double socketed cooling rollers 13 at 18-20C or by passage for 10 seconds through a second dipping trough of swelling agent at 0 to 20C. Rollers 2, 8, 14 are operated so that the material is free of tension and thus undergoes longitudinal and transverse shrinkage of 0.5 to 10%. The cooled material is then longitudinally and transversely stretched by means of tension roller 15 and spreading rollers 16, washed and squeezed. The product has increased tensile strength (by 40 to 60%) lustre and receptivity to dyestuffs and finishing agents.
Patent GB-578893-A (GB)
Title: Improvements relating to mattress covers
IPC: A47G9/02
Filed: 1944-03-30
Abstract: 578,893. Sleeping-bags. FRIEDMAN, M. March 30, 1944, No. 5917. [Class 133] [Also in Groups IX and XIV] The upper sheet of a child's mattress cover serves as a covering for the occupant of the bed and is provided with a neck opening 6 and a slit S running therefrom to the foot end of the cover and having a releasable fastening 7. Side walls are provided at the head and sides of the cover, the foot end being left open for insertion of the mattress and the top sheet having flaps 14 which can be tucked under the mattress.
Patent GB-580057-A (GB)
Title: Piezo electric crystal cabinet
IPC: H03H9/08
Filed: 1944-03-31
Abstract: 580,057. Constant - temperature containers. STANDARD TELEPHONES & CABLES, Ltd. March 31, 1944, No. 6007. Convention date, April 1, 1943. [Class 64 (ii) ] [Also in Group XL] A container maintaining piezo-electric crystals at constant temperature comprises a base 11 carrying crystal supports 25 enclosed in an inner housing 41 having an outer housing 14 spaced therefrom, the base and housings being of heat-insulating material, e.g., synthetic resin. An electric resistance heater 38 is wound on an aluminium casing 36 supporting a thermostat 39 and spaced between the inner and outer housings. The base 11 carries hollow contact pins P, a positioning stud 12 and lugs 16 engaging inner walls of the rectangular outer housing. Screws 18 pass through the base 11 into inwardly enlarged corners of the housing 14. The crystals 27 are held by spring clips 25 with contact springs 26 carrying metal plate surface contacts engaging opposite sides of the crystals, which are held against insulating posts 28, all mounted on an inner base 20 of heat-insulating material. A rectangular positioning bar 24 fits into registering slots in contiguous faces of the inner base 20 and a pedestal 21 which spaces the inner and outer bases to form a channel for the leads 30 passing to pins P. The metal housing 36 is secured to the inner base and supports the bimetallic thermostat 39. One end of the heating wire 38 passes to a thermostat terminal 40, the thermostat terminals and. other end of the heating wire being connected to pins P. A condenser may be mounted across the thermostat.
Patent GB-112225-A (GB)
Title: Improvements in or relating to Inking Mechanism for Printing Presses.
IPC: B41F31/00
Filed: 1917-04-28
Abstract: 112,225. Goss Printing Press Co., (Goss Printing Press Co.). April 28, 1917. Inking-apparatus.-Relates to means for driving the inking-apparatus at variable speed, and comprises a variable-speed mechanism partly driven by gearing from the printing-press so as to rotate in unison therewith, and partly driven or controlled by an external motor or source of power driven independently of the press gear. Fig. 1 shows part of a printing-press having forme cylinders 11 inked by mechanisms 13, 14, supplied by messenger rollers 15 from duct rollers 16 in ducts 18. The rollers 16 are driven by worm gear 19, 20 from a shaft 21 geared by bevelgears 23, 24 to a shaft 22 driven from the variablespeed mechanism, shown in section in Fig. 2. A shaft 25, driven by gears 26, 27 from the shaft of an impression cylinder 12, has a head 30 provided with planet wheels 31, 32, in gear with a sun wheel 33 on a shaft 34 geared by bevel-gears 38, 39 to the shaft 22. The planet wheels also gear with an internal gear-wheel 36 having worm teeth 40 on its periphery engaged by a worm 41 on the shaft of a motor 29 operated independently of the press. The wheel 36 is driven in a direction opposite to that of the head 30 and increases the speed o the planet wheels. When the speed of the press is decreased, the speed of the motor 29 and wheel 36 remaining the same, the speed of the fountain rollers is not decreased to the same extent as that of the press, so that the fountain rollers are driven at higher speed relatively to that of the press when the press is driven slowly or below its normal speed. Suitable means may be provided for varying the speed of the motor 29. The fountain rolls may be driven by the motor 29 when the press is stationary
Patent GB-794290-A (GB)
Title: Extensometer
IPC: G01B21/08
Filed: 1956-02-27
Abstract: 794,290. Measuring continuous lengths. UNITED STATES STEEL CORPORATION. Feb. 27, 1956 [July 1, 1955], No. 6079/56. Class 42 (2). [Also in Group XXXVIII] Apparatus for determining the amount of extension of a strip S1 passing through a rolling mill 8 comprises entry and exit rolls 4, 12 over which the strip passes before and after the mill and which drive pulse-type tachometer generators 18, 26, respectively, a pre-set counter 34 connected to the output of generator 18, an events per unit of time meter 52 connected to the output of generator 26, and means operable by counter 34 to start and stop meter 52 counting at the beginning and end respectively of a count on counter 34. In operation, when the number of pulses registered on a counter section 40 of counter 34 coincides with a number pre-set on a switch matrix 44, a coincidence detector 42 generates a pulse which resets the counter to zero and is also transmitted through wires 50 to a flip-flop circuit 54 in meter 52. Successive input pulses cause circuit 54 to put out alternate positive and negative pulses which respectively close and open a gate 56 connecting generator 26 to a counter section 58; a negative pulse also resets counter section 58 to zero. Thus, for each alternate accumulation of the preset number on counter 40, counter 58 will count the impulses from generator 26 and the number so determined will remain on counter 58 between alternate counts on counter 40. The output of meter 52 may be connected to a recording device 72 or to a remote indicator 72. The apparatus is calibrated by fixing the preset number on counter 34 so that zero extension corresponds to, say, 1000 on the counter 58 of meter 52; the percentage extension will then be indicated by the second digit on counter 58.
Patent GB-398414-A (GB)
Title: Improved headers for steam superheaters and other heat exchangers and process of manufacturing the same
IPC: F28F9/02
Filed: 1933-02-28
Abstract: 398,414. Making steam generators. SUPERHEATER CO., Ltd., Bush House, Aldwych, London.-(Superheater Co. ; 60, E. 42nd Street, New York, U.S.A.) Feb. 28, 1933, No. 6084. [Class 83 (ii).] Tubular headers for steam superheaters, reheaters, feedwater heaters and other heat exchangers with thickened portions extending longitudinally of the header, are made by bending one or more steel plates into portions of a cylinder, positioning between the edges or each pair of opposed edges a heavy bar of width equal to the space between the edges, and welding the edges to the sides of the bar. The bar 2, with a series of apertures to receive the tubular elements and with blind holes to receive the clamping studs, is inserted between the edges of an incomplete cylinder 1 formed by bending, and welding at 5 is effected by an oxyacetylene blowpipe or by electric arc welding. Before bending the edges of the plate are machined or otherwise prepared so that they are at rightangles to the surface of the plate. The inner edges of the sides of the bar may be flush with the inner surface of the cylinder, as shown, or the outer face may be concentric with the outer surface of the cylinder with a substantial portion of the bar projecting inwardly of the header. The bar may be formed with two series of holes 6 for the tubular elements, as shown in Fig. 4. The inner face of the bar may be plane or curved. The holes may be drilled in the bar before incorporating it in the header or after welding. Specification 167,134, [Class 99 (i), Pipes and tubes, Joints &c. for], is referred to.
Patent GB-373295-A (GB)
Title: Process of manufacturing iron and steel
IPC: C21C5/54
Filed: 1931-02-26
Abstract: Molten iron or steel is degasified and deoxidized by heating the metal in an induction furnace to a temperature of 250 DEG  C. in excess of the melting point of the metal and in the presence of a slag having a low melting point and high viscosity.  The slag excludes atmospheric air from the molten metal and may consist of 1-50 per cent of glass, 1-20 of iron oxide, 1-5 of flourspar and the balance lime.  The slag may be used in the melting of the p  charge and then removed and replaced by a fresh slag during the heating up to the desired temperature.
Patent GB-470651-A (GB)
Title: Improvements in and relating to the fireproof encasing of structural steelwork of buildings
IPC: E04B1/94
Filed: 1936-02-29
Abstract: 470,651. Casing metal beams &c. CONNIES, S. Feb..29, 1936, No. 6110. [Class 20 (iv)] A fireproof casing for steel joists, girders, &c. consists of moulded open-end trough members applied to the flange or flanges of the metal section, and superposed L-shaped blocks forming the side walls of the casing, the horizontal limbs of the blocks projecting inwardly beyond the line of the edges of the beam flanges and keying with the concrete filling. In the form shown, an open-end trough 2 is arranged to enclose the lower flange 1 of the girder, being suspended from the flange by bolts 3 and L-shaped clips 4. The L-shaped clips 4 are housed in recesses 5 formed in the side walls of the trough, as shown in Fig. 3. The trough 2 is then filled with cementitious material, and blocks 9 of L-shape are built up on each side of the girder, further cementitious material being provided as each course of blocks 9 is laid. Wire reinforcement 6 for the cementitious material extends on each side of the girder and over the upper flange 8 thereof, and the lower ends of this reinforcement are connected to the clips 4. The inner walls of the blocks 9 are tapered so as to provide wedge-shaped keys to engage the cement filling and the limbs may be of unequal length so that the blocks can be arranged to suit the depth of the space to be filled. The outer faces of the blocks 9 may be provided with shallow longitudinal recesses to provide a key for plaster. The blocks may be of reinforced-concrete, brick, terracotta, and like mouldable material. Both flanges of an I-shaped girder may be encased in troughshaped blocks 2, or the upper flange 8, as shown in Fig. 1, may support a floor slab 12.
Patent GB-176652-A (GB)
Title: Improvements in and relating to apparatus for the removal of oil carried in bulk in the double bottom tanks of ships
IPC: B63B3/14
Filed: 1921-02-23
Abstract: 176,652. Zulver, C., and Endert, D. C. Feb. 23, 1921. Tanks. - The heating-coils a arranged in the double bottom tanks d of ships for the purpose of reducing the viscosity of heavy fuel or other oils stored therein, are carried by plates b removably fitted over openings c in the tanks.
Patent GB-746917-A (GB)
Title: Continuously formed electrodes for electric furnaces
IPC: H05B7/14
Filed: 1954-03-02
Abstract: 746,917. Furnace electrodes. VEREINIGTE ALUMINIUM-WERKE AKT.-GES. March 2, 1954 [April 9, 1953], No. 6137/54. Addition to 727,784. Class 39(3). In a process of forming a continuous electrode for an electrolytic furnace by joining preburnt carbon blocks to the exposed end of an electrode in the furnace and spreading a layer of unburnt electrode adhesive composition on one of the horizontal surfaces of the block before joining them as in the parent Specification, the next following block is placed on the electrode at the moment when the surface temperature of the latter effects a softening of the adhesive composition between the two blocks within a period of 5 to 15 minutes. The amount of adhesive composition applied is such that the thickness of the adhesive intermediate layer of is between 5 and 15 m.m. A strip of paint indicating the temperature may be applied to the lower block.
Patent GB-549303-A (GB)
Title: Improvements in or relating to the manufacture of oil-soluble polystyrene resinous products
IPC: C08G8/28
Filed: 1941-05-12
Abstract: 549,303. Polystyrene resinous products. BAKELITE, Ltd. May 12, 1941, No. 6140. Convention date, May 15, 1940. [Class 2 (iii)] Oil-soluble polystyrene resinous products suitable for use in varnishes, moulding compositions, laminated articles, brake linings and for insulating purposes are obtained by polymerizing a mixture of styrene and an oil-soluble phenolic resin. prepared from an alkyl or aryl substituted phenol. Catalysts which may be used comprise benzoyl peroxide and boron compounds such as the halides ; the latter may be used together with a dicarboxylic acid, particularly acids having hydroxy and carboxylic groups attached to the same or adjacent carbon atoms e.g. oxalic, tartaric, lactic, salicylic acids. The polymerization can be carried out in the presence of an inert solvent e.g. toluol, xylol and naphtha, and mixtures of oilsoluble phenolic resins may be used, whilst additional natural or synthetic resins may also be incorporated. Inhibitors e.g. sulphur, tertbutyl phenol, hydroquinone, catechol, resorcinol, and methoxy compounds such as guaiacol may be present during the polymerization but must be removed before making the product into a varnish. Crude styrene may be used and the reaction can be carried out in the presence of drying or semi-drying oils, e.g. tung, oiticica, linseed, perilla and soya. Oils containing double bonds, e.g. tung, oiticica, must not exceed 25 per cent. of the mass. In examples resinous products from which varnishes could be obtained by heating with china wood oil and mineral spirits, were produced from styrene and (1) pphenylphenol-formaldehyde resin, oxalic and boric acids ; (3) a resin made from tert-butyl phenol or p-phenylphenol and formaldehyde, china wood oil, oxalic and boric acids ; (4) the resin of (3), rosin or rosin-glycerol ester, triamyl borate and salicylic acid. The varnish of Ex. 3 is compatible with ethyl cellulose and chlorinated rubbers to form quick-drying lacquers. In example (5) a crude styrene mixture, 50 per cent. in xylene, was used together with the materials specified in (1) above. Fillers, e.g. .asbestos, ground cork and pigments such as titanium dioxide may be included in the reaction mass. Coating compositions may be applied to wood, metals, e.g. steel, tinplate, rubber, fabrics, paper, leather and the material known under the Registered Trade Mark " Cellophane."
Patent GB-1406251-A (GB)
Title: Feeders for sheet material
IPC: B65H31/34
Filed: 1972-02-10
Abstract: 1406251 Feeding sheet DERITEND ENG CO Ltd 29 Jan 1973 [10 Feb 1972 (2)] 6219/72 and 6220/72 Heading B8R A device for aligning sheets fed from a stack 12 consists of a support 38, rotatable about an axis 40, which carries two conveyer belts 42, 44. The conveyer belts are urged towards each other by springs 46 but are initially held apart by cams so that a stack of sheets is formed against the left-hand stop 48. After the feed has been stopped, the support is turned anticlockwise through 90 degrees to align the stack; the support is then turned clockwise through 90 degrees or 270 degrees and cams are rotated to allow the belts 42, 44 to press against the aligned stack sides and feed it towards the table 16. Side joggers 52, 52 may be provided.