baber/WOPTO huggingface dataset:
Patent GB-888084-A (GB)
Title: Art of straightening vehicle frames
IPC: B21D1/14
Filed: 1960-03-16
Abstract: 888,084. Restoring vehicle frames to shape. APPLIED POWER INDUSTRIES Inc. March 16, 1960 [May 20, 1959], No. 25019/61. Divided out of 888,083. Class 83 (4). A method of correcting a twisted generallyrectangular vehicle frame having diagonally opposed high points and diagonally-opposed low points comprises providing a pair of crossed beams below said frame with the ends of said beams located in proximity to the low and high points thereof, and thereafter simultaneously applying pressure between said beams and the adjacent low and high points of said frame in opposite directions until the twist has been removed therefrom and the low and high points restored. A main beam 10 is positioned diagonally beneath a twisted frame to extend under the low points of frame side rails 41, 42, which rails are out of horizontal alignment. An auxiliary beam 16 mounted on the beam 10 is then swung thereon, to form an X-shaped structure with the beam 16 extending under the high points of the rails 41, 42, and is clamped in position by U-bolt 17 and clamp 18. Hydraulic hand jacks 47, 48 are placed between the beam 10 and the rail low points and the high points of the rails are chained at 49, 50 to the beam 16. The frame is then untwisted by the jacks 47, 48. The beam 10 also may carry frame straightening means as disclosed in the parent Specification 888,083.
Patent GB-1055184-A (GB)
Title: A process for the manufacture of 2-styryl-oxazole compounds
IPC: D06L3/12
Filed: 1963-06-06
Abstract: Compounds of the general formula <FORM:1055184/C2/1> wherein R1 and R2 each represent a hydrogen atom, an alkyl radical, an alkoxy radical, an aryl radical or a halogen atom, or R1 and R2 together represent the residue of a condensed benzene ring, are prepared by (a) reacting an o-amino-phenol or an o-amino-naphtholwit h an acid chloride of a 2-, 3- or 4-cyancinnamic acid to yield an N-acyl intermediate which is subsequently heated in the presence of an inert gas to 150 DEG  to 300 DEG  C., or (b) heating the o-amino-phenol or o-amino-naphthol with the acid chloride in the presence of an acid catalyst in an inert organic solvent.ALSO:Compounds of the general forumla:  <FORM:1055184/D1-D2/1> wherein R1 and R2 each represent a hydrogen atom, an alkyl radical, an alkoxy radical, an aryl radical or a halogen atom, or R1 and R2 together represent a condensed benzene nucleaus, are employed in the form of solutions in water or in organic solvents or as dispersions to brighten fibrous materials. Chemical bleaching agents may be used together with said optical brighteners.  Specified fibrous materials are the polyesters of the polyethylene glycol terephthalate type, polyamides and acetylated cellulose.
Patent GB-367758-A (GB)
Title: Improvements in and relating to means for photographically recording and reproducingsound
IPC: G11B7/00
Filed: 1930-08-21
Abstract: 367,758. Photographically recording sound. BRITISH THOMSON-HOUSTON CO., Ltd., Crown House, Aldwych, London. -(Assignees of Hardy, A. C. ; 28, Upland Road, Wellesley, Massachusetts, U.S.A.) Aug. 21, 1930, No. 25056. Convention date, Aug. 21, 1929. Void [Published under Sect. 91 of the Acts]. Drawings to Specification. [Class 40 (ii).] In order to avoid underexposure in making a photographic sound record, the film is given a uniform exposure auxiliary to that which takes place during the actual recording of the sound, so that the total exposure always lies on the straight part of the characteristic curve. An advantage of the invention is that a film having a fine-grained emulsion of lower sensitivity than is usual for sound-recording may be used. The preferred method is to submit the film to an exposure of constant duration and intensity before exposure in the sound recorder. The auxiliary exposure may, however, be given after the main exposure, or simultaneously with it. For example, a direct current lamp may be used, the current being of such a strength that, with maximum modulation of the light, the exposure does not fall below the value corresponding to the photographic inertia of the film ; or a second lamp operated on direct current only could be provided. It is stated that the same effect could be obtained in the string galvanometer method of recording, by arranging- a wider aperture than is required by the excursions of the string at maximum modulation, the unmodulated area of the aperture being large enough to provide the necessary auxiliary exposure. The invention may be applied not only for making varying-density records but also to records of other types, such as varying-width records. The theoretical principle of the invention is explained in the Specification with reference to the characteristic curve for a typical photographic material. A sound - reproducing apparatus, comprising a photo-electric cell connected in an amplifying circuit, is also described and diagrammatically shown.
Patent GB-997947-A (GB)
Title: Improvements in or relating to processes and installations for treating fibrous material
IPC: D21D1/22
Filed: 1961-07-11
Abstract: 997,947. Disc pulverizers. ESCHER WYSS G.m.b.H. July 11, 1961 [July 14, 1960], No. 25084/61. Heading B2A. [Also in Division D2] In the preparation of pulp for paper-making (see Division D2), material fed into an inlet 16 encounters an agitating element 17 and a worm 18 rotating in a perforated casing 19 where the material is concentrated, the worm press discharging into a pulverizer comprising a rotor 6 and stator 8 having rings of teeth 7 and 10.
Patent GB-389466-A (GB)
Title: Improvements in counting apparatus
IPC: G06M1/16
Filed: 1931-09-07
Abstract: 389,466. Counting-apparatus. BORLETTI, S., 70, Rue Washington, Milan, Italy. Sept. 7, 1931, No. 25113. [Class 106 (i).] Zeroizing-mechanism ; transfer mechanism.- Each drum of a counter is provided with a pin 21 co-operating with a circular spring 24 carried by the adajcent higher drum and spaced at one end from its seating in the drum, so that when the lower drum is turned backwards the pin abuts the spring and carries the higher drum back also. Each transfer pinion 12 is justified by a U-shaped spring 18 mounted on the bracket 15 supporting the pinion and fixed on the shaft 5. An arcuate spring pawl 25 mounted on the stationary drum 26 allows forward movement of the highest drum but acts as a stop for this drum upon reversal.
Patent GB-586626-A (GB)
Title: Improvements relating to the application of polymers and interpolymers of vinyl chloride to surfaces
IPC: C09D127/04
Filed: 1944-12-15
Abstract: A surface is coated by dispersing, without heating, 10 parts by weight of a vinyl chloride polymer or interpolymer containing at least 20 per cent. of its weight of vinyl chloride units in a powdered condition in at least 8 parts by weight of a volatile solvent, applying this dispersion to the surface and allowing or causing the dispersion to gel.  The bulk of the solvent should preferably be removed at a temperature below the boiling point of the solvent and the remainder evaporated or diffused at an elevated temperature while the gelatinisation is proceeding.  The volatile solvent is defined as a liquid or mixture of liquids capable of forming at least a 5 per cent. weight/weight solution of the polymer or interpolymer at 25 DEG C. and of forming at least a 3 1/4 per cent. weight/volume solution when 5 per cent. weight/volume of the polymer or interpolymer has been stirred for 24 hours at room temperature with the solvent.  Specified solvents are cyclohexanone, tetrahydropyrane, and tetrahydrofurane.  A separator aid may be used to allow the coating to be removed. Specified aids are ethyl palmitate, high melting point greases, aluminium or zinc stearate, "Cellophane" (R.T.M.), sodium silicate, and detergents.  A specified surface is mild steel. The dispersion may also contain heat stabilizers, dyes, pigments and nonvolatile liquid plasticizers. Preferred interpolymers consist of interpolymers of vinyl chloride and 5-15 per cent. by weight of vinyl acetate or 25 to 75 per cent. by weight of vinylidene chloride.  In an example mild steel is coated with a dispersion comprising vinyl chloride/acetate, dibutyl phthalate and tetrahydropyrane.ALSO:A surface is coated by dispersing, without heating 10 parts by weight of a vinyl chloride polymer or interpolymer containing at least 20 per cent of its weight of vinyl chloride units, in a powdered condition in at least 8 parts by weight of a volatile solvent, applying this dispersion to the surface and allowing or causing the dispersion to gel.  The "volatile solvent" is defined as a liquid or mixture of liquids capable of forming at least a 5 per cent weight/weight solution of the polymer or interpolymer at 25 DEG  C. and of forming at least a 3 1/4 per cent weight/volume solution when 5 per cent weight/volume of the polymer or interpolymer has been stirred for 24 hours at room temperature with the solvent.  Specified solvents are cyclohexanone, tetrahydropyrane, and tetrahydrofurane.  The dispersion may also contain heat stabilizers, dyes, pigments and non-volatile liquid plasticizers.  Preferred interpolymers are interpolymers of vinyl chloride and 5-15 per cent by weight of vinyl acetate or 25 to 75 per cent by weight of vinylidene chloride.
Patent GB-295850-A (GB)
Title: Improvements in gas fires, radiators, stoves or the like
IPC: F24C3/04
Filed: 1927-09-24
Abstract: 295,850. Traut, A. Sept. 24, 1927. Gas heating-stoves.- A box-like combustionchamber o common to the jets of a burner h is provided with a narrow slit x in its base above the jets. The form shown is provided with vertical slits f in the front wall, through which pass the gases of combustion and the heat radiated from the incandescent rear wall p. An insulating wall q is provided at the rear. The gases from the slits f pass respectively up and down ducts l, n in an air-heater g above the stove, the air passing up the central duct m to the room.
Patent GB-1397763-A (GB)
Title: Promoted iron cobalt and nickel oxide catalysts and their preparation
IPC: C07C209/48
Filed: 1972-05-30
Abstract: 1397763 Hexamethylene diamine E I DU PONT DE NEMOURS & CO 30 May 1972 [7 June 1971] 25241/72 Heading C2C [Also in Division B1] Hexamethylenediamine is produced by the reduction of adiponitrile by contact with hydrogen and ammonia at 50-170‹ C. under superatmospheric pressure and over a catalyst prepared by reducing a composition which contains: (a) one or more oxides of Fe, Co or Ni; (b) 0À1-10% wt. based on component (a), of zirconia or 0À1-5% wt., based on component (a) of ceria; (c) no other ions that do not volatilize at temperatures of 500‹ C. or below; and, (d) 0À08-1% wt. of silica, based on component (a). Suitable reaction pressures are 500-5000 p.s.i.g. The examples describe the use of a cobalt-containing catalyst with an adiponitrile/ ammonia weight ratio of 4 : 3, a pressure of 5000 p.s.i. and a temperature of 135-140‹ C.
Patent GB-355947-A (GB)
Title: Improvements in and relating to the driving means for fans and the like
IPC: F04D25/10
Filed: 1930-08-27
Abstract: 355,947. Screw fans. CAIRNS, J., 2, Egerton Road, South Norwood, London. Aug. 27, 1930, No. 25509. [Class 110 (i).] A fan is driven by a spring, and its speed is controlled by a friction brake; the casing may be fixed or may rotate relative to a fixed support. The shaft 1 to which is secured the spring 1a carries a pinion 3 geared to the winding spindle, and a ratchet wheel 6 engaged by pawls 8 on the pinion 7. This latter pinion 7 is connected to the fan shaft 16 by gearing which includes a worm wheel 14 preferably of fibre. The speed is controlled by the engagement of discs 18, 20, the latter being on the fan shaft and the former on a spindle 17 axially movable under the stress of a spring 19. The handle 21 can be set in three positions to vary the stress of the spring. The short spindle 23 may be pressed into the casing to cause the gear wheels 25a, 26 to engage ; this causes the casing with the fan to rotate about the axis of the bolt 27. A detachable bonnet is provided consisting of two curved plates 33 hinged together at the top. A clock 32 is fitted in the fan casing and may be used to stop the fan automatically, or to give an audible signal when the fan stops.
Patent GB-1103245-A (GB)
Title: Method of manufacturing soft, flexible contact lenses
IPC: B29D11/00
Filed: 1965-06-17
Abstract: A method of manufacturing hydrogel contact lenses comprises the copolymerization of a mixture of olefinic hydrophilic monomers in a rotating mould, the mixture being substantially free of liquids capable of swelling the copolymer, washing and swelling the lens in a liquid capable of removing non-polymeric substances, e.g. ethanol, and finally putting the lens in equilibrium with an aqueous solution which is isotonic with living human tissue. Suitable polymerization catalysts include dibenzoyl-peroxide, diisopropylpercarbonate, azo - bis - isobutyronitrile, and redox systems, e.g. a combination of an organic peroxide such as di-benzoyl-peroxide, di-isopropyl percarbonate, methyl ethyl ketone peracetal, maleic hydroperoxide with a reducing agent such as p-toluene sulphonic acid and its derivatives, if desired with a small amount of soluble compounds of copper, iron or cobalt. The polymerization can be started or accelerated by irradiation with U.V. light or with ionizing radiation.  In one example a mixture comprising methacrylamide and ethylene glycol monomethacrylate containing ethylene glycol bis-methacrylate was copolymerized.  In a second example the monomer mixture consisted of ethylene glycol monomethacrylate, ethylene glycol bis-methacrylate, and diethylene glycol bis-methacrylate.
Patent GB-616108-A (GB)
Title: Improvements in or relating to magnetic cores for oscillating circuits
IPC: H01F17/04
Filed: 1946-08-28
Abstract: 616,108. Transformers and inductances. MONTIGNY, M. V. G. B. DE M. DE. Aug. 28, 1946, No. 25727. Convention date, Feb. 28. [Class 38 (ii)] The several parts of a powdered magnetic core are clamped together by threaded means which secures the one part to a support. A sleeve 10 may be formed integral with the lid 13 and pass through holes provided respectively in the base of the pot 8 and the support plate 6 so that the nut 16 on the threaded extension 15 clamps the core to the support plate by the pressure of the lid on the outer edge of the pot wall. The nut may be replaced by a screw by extending the threaded hole 11 for the coreadjusting member 12. The sleeve and lid may comprise separate parts by providing a shoulder on the sleeve to engage the lid through which the sleeve extends. A projection 17 may prevent rotation of the core on the support plate.
Patent GB-157558-A (GB)
Title: Improvements relating to puttees and bandages
IPC: A41D17/04
Filed: 1919-10-21
Abstract: 157,558. Boyd, J. Oct. 21, 1919. Limb binders; elastic bandages.-Puttees or bandages are formed to fit the leg by first curving them so that when spread on the flat the main portion curves in one direction and the ends in the reverse direction, and this curve is made permanent by stitching a curved tape along the inside edge of the curve, the tape being stretched while the margin of the puttee underneath the tape is relaxed. Applied to puttees woven or knitted in a curve, the ends may be cut off, turned over, and stitched in that position. Ordinary straight puttees may be converted by heating with a smoothing iron across half the width, the heat being graduated so that the edge is heated most. This edge, afterwards, contracts. Or a 3 per cent solution of hydrochloric acid, or a solution of caustic soda, may be applied to half the width of a puttee to lengthen this edge. Puttees or bandages containing rubber may be similarly treated with a solution of 100 parts sulphuret of carbon to 6 parts anhydrous alcohol. The tape may extend beyond the end of the puttee in place of the usual straight tape. Specification 125,674 is referred to.
Patent GB-1466496-A (GB)
Title: Method of making glass optical waveguide
IPC: C03B37/012
Filed: 1975-06-17
Abstract: 1466496 Optical fibres CORNING GLASS WORKS 17 June 1975 [21 June 1974] 25744/75 Heading C1M An optical glass fibre waveguide 48 is made by; (a) applying a first layer of glass (36) on a carrier; (b) applying a second layer (38) of a glass of lower refractive index than glass 36; (c) removing the carrier before or after applying second layer 38; (d) heating the assembly 34 of the two layers and drawing to an intermediate fibre 40<SP>1</SP>; (e) inserting the intermediate fibre 40<SP>1</SP> into a glass tube 42; and (f) heating the assembly of fibre 40<SP>1</SP> and tube 42 and drawing down (e.g. in furnace 46) to form the waveguide 48, having a core 50 and cladding layers 52, 54. The glass layers 36 and 38 are preferably each formed by flame hydrolysis, the material deposited being consolidated by heating to 1250‹-1700‹ C. The carrier, which is preferably a cylindrical mandrel of glass (e.g. quartz), ceramic or glass-ceramic, may be removed by drilling or etching. The first glass 36 (which ultimately constitutes core glass 50) may consist of, e.g. 90% (by weight) SiO 2  and 10% GeO 2 . The second glass 38 (which forms cladding layer 52) is preferably 100% SiO 2 . The tube 42 (forming cladding layer 54) is preferably itself formed by a flame hydrolysis deposition on a carrier which is then removed. The glass of tube 42 (and cladding 54) preferably has an expansion coefficient that matches that of glass 38 (or 52), and preferably has a refractive index not more than that of glass 38 (52). Thus tube 42 may also be 100% SiO 2 .
Patent GB-336050-A (GB)
Title: Radial arm drilling or tapping machine with all change gears centralized in head
IPC: B23B47/14
Filed: 1929-08-23
Abstract: 336,050. Cincinnati Bickford Tool Co., and Klausmeyer, D. C. Aug. 23, 1929. Drilling-machines.-In a radial- - arm drilling and tapping machine the charge speed gears for driving the spindle are all located in the drill-head and are arranged on three parallel axes to give a range of twenty four speeds in steps of three, two, two and two. The first two sets of gears, giving three and two speeds respectively, may be made removable so that these six speed changes may be performed by a variable speed motor. When all the speed changes are performed by gearing in the drill-head a constant-speed shaft 1 mounted on the radial arm drives a first shaft a, Fig. 1, in one direction or the other through one of a pair of oppositely rotating bevel gears x. A second shaft b is driven from the shaft a through one of the gear pairs AA<1>, BB<1> or CC<1>, and the shaft b drives a third shaft c, co-axial with the shaft a, through either of the gear pairs DD<1> or EE<1>. The shaft c carries a second double gear FG which drives a fourth shaft d, co-axial with the shaft b, through either of the gears F<1>, G<1>. The drill spindle 11 is splined within a sleeve 10 on which is splined a gear H and the spindle may be rotated either by the gears F<1>, H or by a pinion I on the shaft d and a gear I<1> loose on the sleeve 10 but capable of engagement with the gear H by means of an internally toothed ring H'. The gears Hand FG are displaced axially by hand-operated levers 32, 31 respectively which carry notched segments g co-operating with spring-pressed detents 35. The gears E<1>, D<1> and ABC are displaced axially by a shaft 15, Figs, 1 and 2, the former by axial movement of the shaft and the latter by rotary movement. A rack 16, Figs. 2 and 3, secured to the shaft engages a toothed segment on a bell-crank lever 17, pivoted at 18 and having a yoke 19 engaging the gear E<1>, D<1>, while an arm 21 secured to the shaft carries a yoke 22 engaging the gear ABC. A notched segment 24 on the lever 21 co-operates with a spring-pressed detent 25. A hand lever 26 pivoted to the shaft at 27 carries a roller 28. engaging an arcuate groove w in a bracket 29 on the head so that motion of the lever along the groove will rotate the shaft and motion about the axis of the roller will move the shaft axially. An indicator o rides over two arcuate scales m, n placed at the extreme limits of its movement along the axis of the shaft 15. When the first six speeds are supplied by the motor which drives the shaft 1, the shafts a, b, c are removed and replaced by a single shaft carrying the gears F, G only and extending down to the bearing f<1>, the hand lever 26 and connected mechanism also being removed. The gears A, B, C may be arranged in a different order from that shown in Fig. 1 so that the maximum speed is obtained with the indicator o at the position 1, Fig. 8, and the minimum speed at the position 6, in order to prevent abrupt changes of speed in going from one position to the next.
Patent GB-1371950-A (GB)
Title: Sheet picking and feeding apparatus
IPC: B65H3/08
Filed: 1972-06-02
Abstract: 1371950 Feeding sheets INTERNATIONAL BUSINESS MACHINES CORP 2 June 1972 [23 June 1971] 25809/72 Heading B8R A picker foot 16 for separating sheets from a pile 12 is connected by a bellows 18 to a shaft 11, and carries a roller 22 which rides on a cam surface 24 in a frame 54, the cam surface being formed with a virtual slot 26 at its lowest point. The roller is urged against the cam surface by a spring. As the picker foot is rotated by the shaft, a sheet is carried to a station 14 where it is stripped from the foot, which returns to its initial position. The foot is connected to a vacuum source through a conduit 20. In its initial position, the foot is urged downwards, as permitted by the slot 26, towards the sheet pile, by gravity and the spring, the roller rotating an arm 30 about the pivot of a shaft 48, thereby rotating the shaft through a one-way clutch. When the picker comes within a predetermined distance from the pile, the resulting alteration in air pressure in the conduit 20 is sensed by a detector which causes an electric brake to be applied to the shaft 48 to stop further downward movement of the picker. A cam 58 on a shaft 56 rotated by a motor 57 thereafter swings the arm 30 to save the picker until the roller is clear of the slot, whereafter a further cam 59 on the shaft 56 disconnects the electric brake and closes a spring clutch 25 to cause the rotation of the shaft 11. Raising of the picker before the brake is disconnected is allowed by the one-way clutch. A sheet is attracted to the foot by suction when the foot is in its lowest position. Air flowing into the foot is utilized to blow against the side of the pile to loosen the upper sheets, and this flow of air is stopped when a sheet engages the foot. Brushes 64 prevent double feed.
Patent GB-1203863-A (GB)
Title: Improvements in or relating to slide rheostats
IPC: H01C10/38
Filed: 1968-05-29
Abstract: 1,203,863. Variable resistors. W. PREH [trading as PREH ELEKTROFEINMECHANISCHE WERKE JAKOB PREH NACHFOLGER]. 29 May, 1968 [19 June, 1967], No. 25844/68. Heading H1S. Two similar half shells 1, 1<SP>1</SP> are each provided with an endless guide groove 7 to receive a band 8 and are secured by rivets or snap fasteners. A resistance track 11 is mounted in one shell and a metal contact track 11 in the other. Both tracks have connecting lugs 3. A slider 4 guided in grooves 5 carries a wiper spring 10 having contacts engaging the two tracks. The slider slot is sealed, in all positions of the slider, by the band 8 made of metal or plastics slats. The guide grooves 5 have openings to permit actuation of an associated switch. Alternative nuts 14 for fixing are located in cavities 13. Studs 15 and recesses 16 locate resistances when fixed together. Screening plates maybe mounted between such resistances.