baber/WOPTO huggingface dataset:
Patent GB-245369-A (GB)
Title: Improvements in and relating to adjustable back chairs
IPC: A47C1/032
Filed: 1925-07-27
Abstract: 245,369. Lord, T. S. July 27, 1925. Rocking seats. - In a seat of the kind having aback member b pivoted to a seat member c which can slide. upon a front transverse member 8. the back is provided with lateral pins 4 detachably engaging slots 12 in the side frame 1, and the movement of the seat member is limited by slots 7 in its side members 6.
Patent GB-845949-A (GB)
Title: Improvements in step ladders
IPC: E06C7/42
Filed: 1958-06-14
Abstract: 845,949. Ladders. MACLENNAN, A., and ASTBURY, E. Jan. 12, 1959 [June 14, 1958], No. 19099/58. Class 20(2) Plates B in the plane of a ladder pivoted on brackets A fixed inside the lower ends of the ladder legs, carry tubular casings C housing slidable bolts D for preventing sideways tipping of the ladder. Each plate is locked in adjusted position by a wing bolt in a slot. The bolts D are located in extended and retracted position in the tube C by pin and slot. In a modification the bolt D is extended by a tube which encloses it and can rotate on it, the bolt carrying a resilient pad.
Patent GB-204021-A (GB)
Title: Improvements in roller bearings for the big ends of connecting rods and for the crank-shafts of internal combustion engines
IPC: F16C9/04
Filed: 1923-07-26
Abstract: 204,021. Schneider et Cie. Sept. 16, 1922, [Convention date]. Roller bearings for the big end of a connecting- rod made in one piece on a crank shaft also made in one piece in which two rows of rollers run directly on the crank-pin have two separate exterior races 4 constituted by continuous rings in combination with a spacing ring 5 acting upon the interior portion of the rows of rollers to maintain their distance apart. The rollers are assembled by passing them through a slot c in the connecting-rod 1 and they are guided by shoulders a, b on the races and on the crank shaft respectively. The spacing ring 5 is in halves, and is clamped on the crank-pin. The roller spacing cage, Fig. 5, which contacts with the rollers only for a part of their length, is divided axially, and the end flanges 9 are connected by long rivets 10. The Specification as open to inspection under Sect. 91 (3) (a) comprises also a modification, Fig. 8 (Cancelled), for the crank-shaft bearing in the crank-casing, in which the crank-shaft has two grooves 16 to allow for longitudinal displacements and the outer race is in two parts 11, 12 secured together by a screw 13. Each part 11, 12 is ring- shaped and has a shoulder c to guide the rollers 14, which are spaced by a cage analogous to that shown in Fig. 5. This subject-matter does not appear in the Specification as accepted.
Patent GB-120820-A (GB)
Title: Process of Purifying Oily Materials.
IPC: C11B3/14
Filed: 1917-12-31
Abstract: 120,820. Superior Oil & Process Co., and Schuck, W. P. Dec. 31, 1917. Fatty oils, purifying.-Fatty oils are purified by passing a current of hydrogen through them in the absence of catalysts at temperatures not below 185‹ C. The oils are thus deodorized, their free fatty-acid content is reduced, their iodine numbers are lowered, and they are rendered resistant to the development of rancidity. Castor oil is treated at 185‹ C., eel oil and codliver oil at 300‹ C., and corn oil at 250‹ C., the operation being effected in 1-2 hours. The apparatus, Fig. 1, comprises a column 7 fed with oil by a pipe 5, and with hydrogen by a pipe 1. The treated oil flows away by a pipe 12 to a cooler 14. The hydrogen emerging from the top of the column is led by a pipe 27 to a washer 28 in which it is washed with heavy paraffin oil to render it fit for re-use. The column 7 is surrounded by a jacket heated by gas burners 8 fitted at various levels, and is also heated by gas burners 10 at the base. As shown in Fig. 2, the column consists of bubbling-plates 20 of ordinary construction alternating with spreaders 26 which each receive oil by a downflow 24 from the centre of the plate above. The hydrogen is admitted by a distributor 2 having outlets 3 at its periphery.
Patent GB-1532343-A (GB)
Title: Method of monitoring coatings on transparent elongated members
IPC: G01B11/26
Filed: 1977-05-09
Abstract: 1532343 Monitoring coatings on optical guides WESTERN ELECTRIC CO Inc 9 May 1977 [12 May 1976] 19316/77 Heading G1A [Also in Division G2] The concentricity and uniformity of a transparent coating on a transparent fibre or rod-like element are monitored by directing light beams at first and second angles at the fibre and comparing the backscattered light patterns. An oscillating beam of light is provided by mirror 203 and a laser (He-Ne) or LED 201, and split at 204 to provide two beams incident on an optical fibre 205 being manufactured. Backscattered patterns are formed in the plane of screens 206, 209. These screens may be observed for comparison of the patterns which have intensity distributions of the form shown in Fig. 6, but for retroactive control on the coating applicator position, Fig. 23 (not shown), scanning diode arrays or vidicons analyze the patterns and provide suitable control signals dependent on coating position errors. This apparatus also includes a display of the difference(s) between the main peak spacings of the two patterns, and can indicate a completely deformed coating. In another embodiment, the same beam provides the two angles of incidence when the fibre is rotated.
Patent GB-147418-A (GB)
Title: Improved process and apparatus for disintegrating fragmentary or granular material
IPC: B02C9/00
Filed: 1920-07-07
Abstract: 147,418. Bartmann, L. July 7, 1920. Hulling, husking, and decorticating.- In apparatus for reducing harvest products of all kinds, such as cereals and podded grains, longitudinal conducting- channels 68 are formed in a tapered rotor 66 or spiral grooves in a casing 67 with their crosssection decreasing gradually in the direction of a suction current. The side walls of the channels act as stopping-bars, and between each adjacent pair of channels a channel 72 in which the suction current flows is provided. The process of disintegration may be interrupted at any desired point along the channels and the ground material conducted away at this point so that grains which are only husked or such as have been converted into pearl barley, semolina, or flour may be run off. For this grading process, the vertical channel 72 is subdivided by partitions, and the various compartments communicate with circular ducts 74 that end in a discharge pipe 75.
Patent GB-628349-A (GB)
Title: Improvements in diaphragm compressors
IPC: F04B43/00
Filed: 1947-07-18
Abstract: 628,349. Pistons. CAZIOT, P., [Representative of CORBLIN, H.]. July 18, 1947, No. 19332. Convention date, Feb. 25, 1939. [Class 122(i)] [Also in Group XXVIII] A device for giving warning of damage to the diaphragm of a diaphragm pump (see Group XXVIII) consists of a diaphragm comprising three separate diaphragms f, h, g, clamped together, the outer diaphragms f, g, being whole while the intermediate diaphragm h is provided with a narrow radial slit h<1> terminating in a lug h<2> on the periphery of the diaphragm. The diaphragms f, g, are provided with similar lugs f <2>, g<2>, and on assembly the three lugs register and are connected by a tube i which depends into a vessel j containing liquid to indicate es. cape of gas or liquid through the diaphragms f, g. In a modification five diaphragms are employed two of which are slit and arranged as above to indicate separately leakage from either of the outer diaphragms.
Patent GB-599315-A (GB)
Title: A new or improved process and apparatus for coating surfaces with plastic and other semi-liquid compositions
Filed: 1945-07-28
Abstract: <PICT:0599315/III/1> <PICT:0599315/III/2> A process for coating surfaces with semi-liquid compositions comprises the steps of circulating the composition around a closed mixing circuit, circulating a predetermined proportion of the mixture around a further closed circuit constituting a feeding circuit and past a desired position for feeding the composition on to the surface and simultaneously discharging the composition from said feeding circuit at said feeding position directly on to the surface which is to be coated.  The apparatus is illustrated diagrammatically in Fig. 7 and comprises a container 11 forming part of a closed mixing circuit 82, a pump 13 to circulate the constituents around the mixing circuit and means indicated at 14 for supplying air under pressure to the circuit to assist in the mixing.  A closed feeding circuit 12 is connected to the mixing circuit and valves 28 and 31 direct a predetermined proportion of the composition into the feeding circuit 12 around which the mixed material is continuously circulated by pump 13 while apparatus 15 is included in the closed circuit for supplying the mixture directly from the circuit to the surface to be coated.  In using the apparatus shown in Fig. <PICT:0599315/III/3> 1, 2, 4, 5 and 6, the composition (e.g., cement and water) is given a preliminary mix in vessel 60 fitted with paddles 61.  This mixture is then poured into container 11, valve 31 closed and valve 28 fully opened when pump 13 circulates the composition, down pipe 22 and up pipe 27, around the closed mixing circuits. Air admitted from receiver 52 through connection 14 passes up the pipe 22 and through the material in container 11 in a direction opposite to the flow of material thus assisting in the mixing. When mixing is complete the air is cut off, <PICT:0599315/III/4> <PICT:0599315/III/5> valve 28 partially closed and valve 31 opened to admit the predetermined amount of material. Control valve is opened and the material circulated continuously around the feeding circuit can now be sprayed on to a surface.  Valve 41 controls the supply of composition to the spray gun and a stop 66 prevents it being completely closed.  Similarly stop 67 in valve 28 prevents <PICT:0599315/III/6> <PICT:0599315/III/7> <PICT:0599315/III/8> these tubes.  Instead of one spray gun a number may be used in series.  The spray gun may be replaced by the apparatus of Fig. 10 comprising a valve 72 arranged in branch pipe 73 connected to the junction of pipes 35 and 46 and terminating in an orifice 74. This orifice has a flanged collar 75 holding a flat disc 76 so on opening valve 72 the composition issuing therefrom can be smoothed on to the surface.  Figure 11 shows the gun replaced by a brush 80 of a hollow conical form through the opening 81 in which the material flows from the orifice this being completely closed.  A tube 16 and valve 68 enable air to be blown back along tubes 35 and 46 in the event of any blockage in 74.  Specification 400,508, [Group XXVI], is referred to.
Patent GB-1505072-A (GB)
Title: Machine for trimming two ends of a workpiece
IPC: B28D1/04
Filed: 1975-04-29
Abstract: 1505072 A rotary disc sawing machine BEOLEY ACCESSORIES Ltd 29 April 1975 [2 May 1974] 19370/74 Heading B5L Surplus material is trimmed from a polythene mud wing of a motor vehicle by mounting on the workpiece support 18 which is mounted on tracks 13 and 15 and which can be driven past the rotary disc saws 11 and 12 which have two driven saw discs 27 mounted on adjustable carrier 24. A control switch (not shown) can be used to stop the saws and reverse the motor to return the carriage to its original position. The support 18 is detachable and shaped to conform with the article being trimmed. The saw blades 27 may be adjusted angularly out of the horizontal plane.
Patent GB-730140-A (GB)
Title: Improvements in or relating to the preparation of halogenated substituted pteridines
IPC: C07D475/04
Filed: 1951-03-07
Abstract: Halogenated pteridines having in one tautomeric form the general formula <FORM:0730140/IV (b)/1> wherein R represents a hydroxy radical or -COR is an amide radical derived from an aliphatic amino acid, and Hal represents one or two like halogen atoms, are prepared by mixing: (i) a 2,4,5 - triamino - 6 - hydroxypyrimidine or a tautomer thereof or an acid salt thereof; (ii) an a ,b -dihalogenopropionaldehyde or an acetal thereof, or a 1,1,3-trihalogenoacetone; and (iii) a substituted benzoic acid of the general formula <FORM:0730140/IV (b)/2> wherein R, -COR and Hal have the significance indicated above. The process may be modified by mixing reactants (i) and (ii) and then treating the reaction product with reactant (iii), or by mixing reactants (ii) and (iii) and treating the reaction product with reactant (i).  The reaction solvent may be water, but other inert solvents may be used also, e.g. ethyl alcohol, acetone, benzene, carbon tetrachloride, chloroform, acetic acid, or mixtures of organic liquids or mixtures of organic liquids and water.  The preferred reaction temperature is within the range 0 DEG  to 100 DEG  C. and the pH of the reaction mixture may be within the range of 1.5 to 6.  The a ,b -dihalogenopropionaldehyde may be a ,b -dichloro- or dibromo-propionaldehyde, and the 1,1,3-trihalogenoacetone may be the 1,1,3-trichloro- or p tribromo-acetone.  The substituted benzoic acid may be 2-chloro-, 2,6-dichloro-, 2,3-dichloro- or 3-fluoro-4-aminobenzoic acid, and the amides thereof may be derived from glutamic or aspartic acid, glycine, leucine, serine, phenylalanine, cysteine or isovaline. The 31,51-dihalogenated pteridines of the above general formula may be prepared in the form of their hydrohalide salts by treating a pteridine of the general formula <FORM:0730140/IV (b)/3> wherein R and -COR have the significance indicated above, with substantially 2 mols. of halogen.  The hydrohalide salts thus produced may be treated with aqueous ammonia to form the ammonium salts.  The halogenation is carried out preferably in a solvent, e.g. an aqueous solution of a mineral acid, to which the halogen may be added as a gas or in a solvent such as acetic acid.  The halogen may be liberated in situ with the aid of hydrogen peroxide.  The halogenation may be carried out at a temperature within the range of -10 DEG  to 35 DEG  C.  In the examples the following compounds are prepared: 21-chloropteroic acid, 31-chloro-, 31,51-dichloro- and 31,51-dibromopteroylglutamic acid, 31,51-dichloropteroyl-alpha-glutamylglutamic acid and 31,51-dichloropteroyl - gamma - glutamyl - gamma - glutamyl-glutamic acid, and salts thereof.
Patent GB-315093-A (GB)
Title: Improvements in the shafts or spindles and bearings of washing or like machines
IPC: D06F39/00
Filed: 1928-07-04
Abstract: 315,093. Sheppee Motor Co., Ltd., and Jowitt, S. G. July 4, 1928. Packing, non-metallic; stuffing-boxes, substitutes for.-To prevent, leakage along a spindle 2 extending through the side 3 of a tank of a washing or other machine a ring 8 of wood or other material expandable by moisture is arranged in a recess in the inner end of the bearing 4 for the spindle, the bore of the ring engaging the spindle and the perimeter engaging the bore of the recess. Leakage is also prevented by a flange 2<b> on the spindle. The face of the flange, contacting with the end of the bearing may be conical. Mounted on the outer end 4<c> of the bearing is a pinion 5<b> having clutch teeth 5<c> which may be engaged with teeth 6<c> on a clutch member 6 slidably keyed to the spindle 2. A sleeve 7 inserted between the keys 2a and the bearing holds the flange 2b against the inner end of the bearing. Specification 252,976, [Class 138 (ii), Washing, Mangling, &c], is referred to.
Patent GB-655732-A (GB)
Title: Improvements in or relating to the production of aqueous dispersions of copolymers and of moistureproof sheet wrapping materials coated therewith
IPC: C08F214/08
Filed: 1948-07-20
Abstract: Amorphous copolymers of vinylidene chloride and acrylonitrile are made by heating until polymerization is substantially complete, an aqueous emulsion comprising a mixture of more than 75 parts by weight of vinylidene chloride and 25 parts by weight of acrylonitrile in the presence of 0.5 to 8 per cent by weight of a dispersing agent consisting of the condensation product of formaldehyde with a naphthalene or alkyl substituted naphthalene sulphonic acid or with an alkali metal salt or ammonium salt thereof.  The alkyl substituent contains 1 to 4 carbon atoms in the molecule.  The emulsion may contain a polymerization catalyst, e.g. ammonium persulphate and an activator, e.g. sodium metabisulphite.  Specified dispersing agents are formaldehyde with sodium naphthalene beta-sulphonate, or with naphthalene beta-sulphonic acid, or ammonium naphthalene beta-sulphonate, or sodium isopropyl-naphthalene beta-sulphonate, or isopropyl - naphthalene - beta - sulphonic acid.  The aqueous dispersion of the copolymers may be used for coating non-fibrous hydrophilic sheets or films (see Group VIII).  The dispersions may include natural or artificial ester-type waxes such as carnauba, spermaceti, candellila, palm, hydrogenated castor oil, benzyl stearate, pentaerythritol distearate, pentaerythritol tetrastearate and octadecyl stearate, or the wax agents described in Specification 655,006, and softeners for the film such as ethylene glycol and glycerol.  The coated films are used as wrapping materials.
Patent GB-701263-A (GB)
Title: Improvements in or relating to turbo-machines
Inventor: KENT NELSON HECTOR
IPC: F01D5/30
Filed: 1950-08-03
Abstract: 701,263. Making turbine blades; soldering and brazing. ROLLS-ROYCE, Ltd. Oct. 8 1951 [Aug. 3, 1950], No. 19477/50. Classes 83 (2, and 83 (4) [Also in Group XXVI] Hollow turbine blades 13 are secured to a supporting member 10 by cutting away the leading and trailing edges of each blade 13 at one end to form tongues 13a, providing the member 10 with peripherally spaced radial and axial slots 11 with arcuate section grooves 12 in the walls of the slots, placing each blade 13 so that its root straddles the portion between adjacent slots 11 with the tongues 13a in contact with a wall of one slot 11 and the adjacent wall of the adjacent slot 11, inserting wedge means 14 between adjacent tongues 13a to deform them into the grooves 12 and brazing the tongues 13a to the walls. The grooves 12 are preferably halfway along the radial length of the slots 11 and the wedges 14 are preferably circular section pins. The blades 13 may be formed from sheet metal folded at the leading edge and welded at the trailing edge or from aerofoil section tube. The blades 13 are cut away beyond the periphery of disc 10 to leave passages 15 for cooling air flow into the blades 13. To provide a manifold for cooling, two annular discs 17 are secured to flanges 16 on the disc 10 and plates 18 extending between adjacent pairs of blades 13 are welded to the discs 17 or pegged to the disc 10 and may be tack welded to the blades 13. The plates 18 are strengthened by ribs 18a. One disc 17 which has a flange 19 co-operating with a labyrinth seal 20 is spaced from the disc 10 and apertures 21 in the flange 16 allow air flow into and around the blades 13. Specification 650,424, [Group XXVI], is referred to.
Patent GB-578100-A (GB)
Title: Improvements in or relating to photographic spools
IPC: G03B17/30
Filed: 1944-10-12
Abstract: 578,100. Photographic roll-film spools. GOLDSCHMIDT, M. Oct. 12, 1944, No. 19505/43. [Class 98 (i)] Spindles for carrying film of smaller width than that for which the camera is designed comprise a hollow filmcarrying part of:the required width and two end members with parts which slide into the bore of the hollow spindle and are spaced apart so as to engage the supports and winding key on the camera wall. A hollow spindle a is cast in one piece to suit the width of the film and is provided with abutments b3 and an axial bore of square X-section j in which fit end members a<2> having bolt portions al<2> of similar square section fitting into the bore j. Abutments e on the end members fit the supports and winding key of the camera, and the appropriate width of the spool is secured by inserting washers k of the required thickness between abutments b<3> and the portions e.
Patent GB-1130973-A (GB)
Title: Improvements in or relating to fluid logic devices
Inventor: SHARP ROYDS
IPC: F15C1/06
Filed: 1966-05-03
Abstract: 1,130,973. Laminated logic element. NATIONAL RESEARCH DEVELOPMENT CORP. 26 May, 1967 [3 May, 1966], No. 19538/66. Heading G4P. A fluid logic element, e.g., a bi-stable element, is characterized in that it is constructed from laminations extending normally to the plane of the element, i.e., so that different output channels lie in different laminations. Fig. 5 (and Fig. 2 in exploded form) shows a conventional bi-stable wall attachment element in which supply fluid P 1  flows along one of two output channels O 1 , O 2 , being switchable by control inputs C 1 , C 2 . According to the Specification since very thin lamina material can be made accurately the distance the power jet has to be deflected can be made small and the device will consume less power than conventional devices.
Patent GB-331685-A (GB)
Title: Improvements in the spinning spindles of ring spinning and similar frames
IPC: D01H7/14
Filed: 1929-06-27
Abstract: 331,685. Burtinshaw, Ltd., J., and Burtinshaw, S. J. G. June 27, 1929. Spindle apparatus.-A holding-down hook for Rabbeth spindles, formed from a single piece of wire bent to an annular or semi-annular shape with a vertical limb provided with a hook to engage the rim of the wharl, is provided with members d<1> to form pivots which are embraced by a clip E secured to the bolster. The base d is preferably flattened to fit upon the collar of the bolster tube.
Patent GB-624995-A (GB)
Title: Improvements in and relating to the starting apparatus of internal combustion engines
IPC: F02N5/04
Filed: 1947-07-23
Abstract: 624,995. Friction clutches. RICARDO, H. R. July 23, 1947, No. 19759. [Class 80 (ii)] [Also in Group XXVII] In order to effect starting of an internal-combustion engine (see Group XXVII) a manually rotated flywheel E, journalled upon an extension of the crankshaft C, is coupled to the latter by a friction clutch D<i>, fixed to the crankshaft C and engaging the flywheel E. The clutch D' is controlled by a piston K<2>, housed in the end of the crankshaft C, through a lever J<2> and a spring- loaded thrust ring G. When liquid is drawn from a reservoir by a hand pump L<4>, a manual relief valve L5 having previously been closed, and directed to a conduit L<2>, which leads to the lefthand side of the piston K<2>, the latter moves leftwardly and disengages the clutch D' from the flywheel E. The clutch is engaged by opening the relief valve L<5>. An alternative, hydraulic clutch-control may be provided at the same time, which control employs a pressure accumulator M, a non-return valve M<1> and a manually operated valve M<2>. The latter is normally closed during engine operation so that engine lubricating oil under pressure is delivered through the non- return valve M' to the accumulator M so that when restarting of the engine is necessary the opening of manual valve M2 would cause the oil to be directed to the left-hand side of piston K<2> to disengage the clutch.
Patent GB-779944-A (GB)
Title: Improvements in or relating to means for retaining electronic valves in position
IPC: H01R33/975
Filed: 1954-07-06
Abstract: 779,944. Holders for thermionic valves. GOLDSTAUB, H. H. July 5, 1955 [July 6, 1954], No. 19797/54. Addition to 629,229. Class 38 (1). [Also in Group XL (a)] The valve retaining means of the parent Specification is modified by the ends of the loop 1 being knotted in pairs, each pair being retained by the knot in an aperture in a thimble 6 or 7. The thimble may be of the shape shown in Fig. 2 in which the spring 17 is anchored outside the thimble or inside the thimble (Fig. 3, not shown). Alternatively, the thimble may be provided with a flange or outside recess (Figs. 4 and 5, not shown), or the thimble may be in the form of an eyelet 35.