baber/WOPTO huggingface dataset:
Patent GB-246687-A (GB)
Title: Improvements in and relating to valves for engines, pumps and the like
IPC: F16K11/085
Filed: 1925-03-09
Abstract: 246,687. Cross, R. C., and Munday, R, L. March 9, 1925. Liquid-pressure engines. - In a rotary distributing-valve 4 divided by a diagonal web 5 to form inlet and exhaust chambers 16, 14, lsakage is minimized and the building up of the oil film is effected by means of oil-retaining-rings 9, longitudinal spring-pressed vanes 10 in contact with the valve, and reverse oilretaining threads 18 formed on the valve or the valve casing on either side of a central oil feed. The vanes 10 are cut from a tube whose bore is the same as the external diameter of the valve and are held against the valve by a spring consisting of a corrugated strip of metal 12. The valve casing 1 communicates with inlet and exhaust conduits 17, 15 and with a port 2 on the engine cylinder 3. A pair of coaxial valves may be combined in one, and two or more of such pairs of valves may be arranged coaxially and driven by a single shaft. The valve casing may have a single inlet co-operating with a common inlet passage or a pair of adjacent inlet passages in each pair of valves.
Patent GB-194321-A (GB)
Title: Improvements relating to mud-guards for vehicles
IPC: B60B7/00
Filed: 1923-03-06
Abstract: 194,321. Brunswick, E. March 6, 1922, [Convention date]. Mud-guards rotating with wheels.-Guards for preventing the lateral splashing of mud by vehicle wheels consist of a rubber ring moulded to angular or channel shape so as to provide a part a which is secured to a suitable part of the wheel and a screen part d lying parallel to or diverging from the plane of the wheel and spaced from the side. In one arrangement, Fig. 1, the attachment consists of lengths of closely wound helical spring f passing round the spokes and hooks f<1> or clips attached to the reinforced bead a<2> on the inner edge of the guard. Another attachment consists of clips attached to the inner face of the rim and engaging the bead a<2> Fig. 8, shows another form of attachment. The inner edge a is reinforced by a metal ring i and attached to the felloe or spokes by screws. The outer edge of the guard d<2> is bevelled and the inner face provided with an angular ridge d'. The outer face may have ridges d<1>.
Patent GB-703426-A (GB)
Title: Improvements in or relating to urea-melamine-formaldehyde resins
Inventor: WHITE ALAN
IPC: C08G12/38
Filed: 1951-03-19
Abstract: Resin syrups are made by condensing a mixture of melamine and urea, the urea being present in an amount from 5 to 35 per cent. by weight of melamine, with aqueous formaldehyde at pH 3 to 10 and in an amount to provide 0.9 to 2 mols. of formaldehyde for each amino and amido group, until the condensate has a water tolerance of not less than 1:1 at 20 DEG  C.; the reaction being performed in presence of methyl or ethyl alcohol and the weight ratio of water/alcohol before reaction being 5:1 to 1:2.  The formaldehyde may be formalin and/or aqueous paraformaldehyde. After condensation water and alcohol may be distilled off, preferably under vacuum at less than 50 DEG  C. and at a pH greater than 7, and additional methyl or ethyl alcohol added to the syrup. Unspecified curing catalysts, fillers and plasticizers may be added to the syrup.  The Provisional Specification refers also to the use of propyl, butyl and amyl alcohols.  In example (1) a mixture of formalin (pH-8.9), melamine, and urea in m.w. ratio 13.2/3/1 dissolved in methylated spirits was reacted at reflux temperatures until the syrup formed had a water tolerance of 6:1. After cooling to 50 DEG  C. water and alcohol were distilled off under reduced pressure to reduce the water content to 27.5 per cent. of the syrup. Further alcohol was then added to make the resin/alcohol (free and combined)/water ratio 45/27.5/27.5.  The syrup had a stoved solids content of 48 per cent., a viscosity of 40.3 cs. at 25 DEG  C. and a shelf life of four months.  Specification 683,630 is referred to.
Patent GB-162866-A (GB)
Title: An improved process for finishing moulded concrete blocks, bricks or like articles
IPC: B28B11/08
Filed: 1920-03-04
Abstract: 162,866. Willdig, H., and Wood, J. W. March 4, 1920. Processes.-A process for imparting a smooth stone-like surface to concrete blocks, bricks, or like articles, which are moulded and subjected to pressure by any suitable means or in the manner described in Specification 162,867, consists in moistening, preferably by means of a spray, the upper surface of the concrete while in the mould and passing a hard level tool, bearing on the mould sides, across the surface.
Patent GB-197461-A (GB)
Title: Improvements in or relating to railway and tramway vehicles
IPC: B61G5/02
Filed: 1922-03-06
Abstract: 197,461. Leeds Forge Co., Ltd., and Gresley, H. N. March 6, 1922. Combined buffer and draw-gear; couplings, axle-trucks used as.-In a coupling arrangement for railway and tramway vehicles, of the kind in which the adjacent ends of two vehicles are supported by one common bogie, as described in Specifications 4512/07, 17147/10, and 170,448, spring control gear is fitted to the vehicle headstocks to steady the vehicles when travelling on curved portions of the track. The adjacent, ends of two carriages are carried by a bogie and coupled at the axis X of the bogie. Piston rods, 1 on each side of the centre line of the vehicle pass through the headstocks of both vehicles and have their ends connected to spring buffers. The buffers comprise a casing 11, pivoted in trunnions 15, which contains a spring 7 mounted on the reduced end of the piston rod 1 between compression plates 6, 8. The springs are initially stressed and on a straight track maintain the alignment of the two carriages. When turning on a curved track, as shown in the Figure, the casings turn on their trunnions, whilst the outer piston rod withdraws from, and the inner piston rod enters, their respective casings. The springs are thus additionally stressed, and when on the straight portion of the track reassert themselves and align the two carriages. Specification 2524/82 also is referred to.
Patent GB-374457-A (GB)
Title: Improvements in methods of and apparatus for the treatment of coal slurry
IPC: B01D35/20
Filed: 1931-03-03
Abstract: 374,457. Strainers ; treating coal slurry. NORTON, B., Sandford Hall, Claverley, Shropshire, and NORTON, H., Saltwells House, Brierley Hill, Staffordshire. March 3, 1931, No. 6592. [Class 46.] For the purpose of removing moisture from coal slurry from which the bulk of the water has been removed, or extracting fine coal from slurry water, the slurry or slurry water is passed over a reciprocating vibrating sieve having an air space below it in which the pressure is intermittently varied. The sieve 1 may be carried by inclined suspenders 2 and reciprocated by means of a connecting-rod 3. A cylinder 4 attached to the reception end of the sieve 1 slides over a piston 5 the connecting-rod 6 of which is pivoted to fixed framework. The cylinder and piston, with a plate 8 and flap valve 9, form an airtight chamber from which the air is exhausted intermittently as the sieve reciprocates, the flap 9 being opened as it approaches the cylinder to re-admit air and allow of the escape of the water drawn through the sieve. The sieve may form all or part of the upper wall of the airtight chamber. A reciprocating piston, or an oscillating diaphragm, may be employed.
Patent GB-849923-A (GB)
Title: Improvements in or relating to preparing required lengths of flexible sheet materialin strip form, each length having a tacky adhesive coating
IPC: B65H37/02
Filed: 1957-02-28
Abstract: An adhesive composition for coating webs, (see Group VIII) comprises a heat-stable mixture of thermoplastic resins comprising (a) at least 20% by weight of vinyl alkyl ether in which the alkyl group has from one to four carbon atoms, and (b) at least 10% by weight of low molecular weight styrene polymeric material.  In specific examples, four materials are employed in varying proportions to provide the adhesive.  The materials are polyvinyl ethyl ether of molecular weight about 100,000 (material A), polyvinyl ethyl ether of molecular weight 20,000 to 40,000 (material B), styrene polymeric material of low molecular weight (material C), and a liquid low molecular weight styrene polymeric material (material D).  The viscosities of the four materials are given, and the melting point and refractive index of material C. Three examples are given.  One comprises (per cent by weight) 31.2 A, 31.2 B, 37.6 C.  The second is 40 A, 30 C, 30 D, and the third is 20 A, 20 B, 40 C and 20 zinc oxide.  The three mixtures were prepared at 270 DEG  F.  Additional fillers mentioned are finely divided calcium silicate, china clays, whiting, and floated silica.
Patent GB-819449-A (GB)
Title: Improvements in the production of vinyl esters
Filed: 1958-03-03
Abstract: Vinyl esters other than vinyl acetate are prepared by vinylating with acetylene in the vapour phase an aliphatic carboxylic acid other than acetic acid in the presence of active carbon impregnated with a zinc salt of a dibasic aliphatic carboxylic acid.  Specified vinyl esters are those of propionic, butyric, valeric, methylcaproic and glutaric acids.  The catalysts may be prepared as described in the parent application or by evaporating a solution of the zinc salt to dryness with active carbon.  Examples describe the preparation of vinyl 2-methylcaproate using zinc adipate, zinc glutarate or zinc suberate as catalysts.
Patent GB-667998-A (GB)
Title: Improvements in or relating to photographic film cartridges
IPC: G03B17/30
Filed: 1950-03-17
Abstract: 667,998. Photographic roll-film cartridges. KODAK, Ltd. (Eastmann, Kodak Co., and Mihalyi, J.). March 17, 1950, No. 6725/50. Class 98 (i). A photographic roll-film cartridge comprises two interfitting hub sections each with an end flange and each movable axially of the other to vary the separation of the flanges, and a resilient paster adhering to and at least partially encircling each hub section, the paster exerting a force which tends to move the two hub sections axially towards each other. As shown, the spool comprises two half sections 1 and 2 having end flanges 4, 9 on hub portions 3, 8. The hub portion 3 has a reduced cylindrical end fitting in the cylindrical recess in the hub portion 8..The flanges 4 and 9 have inwardly extending beads 5 and 10. When film is wound on to or off the spool, the film becomes bowed, as shown at F<SP>5</SP>, and the outer edges of the film tend to separate the two spool sections to permit the film to pass to and from the spool hub more readily. The two hub sections are fastened together by a resilient paster of rubber or " Koroseal " (Registered Trade Mark) having two parallel marginal strips of pressuresensitive or pressure-and-heat-sensitive adhesive 16 and 17 on either side of a central adhesive-free strip 18. In assembling the cartridge, the spool sections are held together in completely telescoped relationship and the paster is applied with slight stretching to hold the two sections together. The end of the film may be held between the two ends of the paster. Due to the resiliency of the paster, the two spool sections may separate slightly when required. Specifications 564,913 and 564,914 are referred to.
Patent GB-385477-A (GB)
Title: Improvements in or relating to apparatus for treating artificial threads, filaments and the like
IPC: D01D10/04
Filed: 1932-03-07
Abstract: <PICT:0385477/IV/1> <PICT:0385477/IV/2> The apparatus for the manufacture of artificial silk &c. of Specification 378,467, is modified more particularly when used for the manufacture of cuprammonia silk, by the provision of an acid drip 27 adjacent to the receiving end of the rotating cage A in order to prevent the deposition of copper on the threads and on the cage.  Acid is also supplied through a pipe 24 at a later part of the cage, and water by a pipe 25.  The acid drip pipe 27 is preferably reciprocated, relatively to the axis of the cage, by mounting the pipe on an arm 28 carried by a shaft 29; the shaft is oscillated by means of a link 31 connected by gearing to the main drive shaft 15.  The apparatus of the earlier Specification is also modified by the interposition of a drawing wheel 21 on an extension of the main drive shaft 9 of the cage, and around which the thread proceeding from the spinning nozzle is led a number of turns as by a guide 22; the diameter of the wheel is less than that of the cage in order that during its passage to the latter the thread may be stretched.  The pump 16 supplying solution to the spinning nozzle, is driven from the cage shaft 9 which is itself driven by belt gearing 12 from a shaft 14, the latter being adapted to be raised by means of an hinged arm 33 when it is desired to stop any particular unit, as for the purpose of altering the gear ratio of the pump-driving gear 17 in order to change the denier of the thread.  In order to assist in the treatment of all parts of the thread, the latter is laid on the cage with a traversing motion by means of a reciprocating guide 23 connected by an extension to an arm on the oscillating shaft 29. The thread is finally dried by the passage of hot air radially outwards through the cage, the air being supplied through a goose neck 37, which forms the support for the further end of the cage, and is heated by a steam coil 34.  It is convenient to reduce the diameter of the cage at this point in order to permit shrinkage of the thread during drying.
Patent GB-905383-A (GB)
Title: Improvements relating to monoazo dyestuffs of the benzene-azo-naphthalene series andtheir use
IPC: C09B43/124
Filed: 1959-02-27
Abstract: The invention comprises monoazo dyes of formula <FORM:0905383/IV (b)/1> wherein A is a benzene nucleus which may be further substituted having the sulpho group in ortho-position to the azo group, X is a carboxylic acid acyl or carbonic acid monoester acyl group having no mobile substituents (i.e. no reactive halogen atoms bound to a heterocyclic nucleus or to an aliphatic radical or sulphuric acid ester groups which can be easily split off in an alkaline medium), Y is an organically substituted sulphonamide group, Z is hydrogen or hydroxy and wherein X and Y together contain at least 12 carbon atoms.  They are prepared either by diazotising a suitably substituted 2-aminobenzenesulphonic and coupling with a suitable 2-aminonaphthalene sulphonamide or by coupling a diazotised 2-aminobenzenesulphonic acid containing a nitro group meta- or parato the amino group with a suitable 2-aminonaphthalene sulphonamide, reducing the nitro group to an amino group and acylating the aminoazo dye.  The dyes give orange to blueish red shades on natural and synthetic polypeptide fibres, particularly wool.  In examples: (1) 5-carbocyclohexyloxyamino-2-amino-benzene-1-sulphonic acid is diazotised and coupled in a mixture of ethanol and glacial acetic acid with 2-amino-8-naphthol-6-sulphonic acid-N-ethyl-N-phenylamide and many similar examples with different components are specified; (2) the monoazo dye 5-nitro-2-aminobenzenesulphonic acid --> 2-amino-naphthalene-5-sulphonic acid dibutyl amide is reduced with aqueous sodium sulphide to give the aminoazo dyestuff which is treated with cyclohexyl chloroformate.
Patent GB-213256-A (GB)
Title: Wheel for internal combustion turbines
IPC: F01D5/08
Filed: 1924-03-18
Abstract: 213,256. Soc. Italiana E. Breda. March 22, 1923, [Convention date]. Cooling parts; rotors -The rotor and blades of an internal-combus. tion turbine are cooled by circulating water. The rotor is made up oi parts A, G constructed to provide water spaces B, C. Water is led into the space B from a pipe I in the hollow rotor shaft L, passes into and out of spaces in the blades by ports E, F and is drawn off between the shaft L and the pipe I. The parts A, G are secured together by a nut H and screwed stay-bolts T. In a modification, the part G is screwed on to the boss of the part A and the parts are welded together at their periphery. The hollow spaces in the blades are provided by blind bores divided diametrically by partitions.
Patent GB-1293222-A (GB)
Title: Rotary drier for granular and/or lumpy material
IPC: F26B11/02
Filed: 1970-02-13
Abstract: 1293222 Rotary drier KLOCKNER-HUMBOLDT-DEUTZ AG 13 Feb 1970 [17 Feb 1969] 7008/70 Heading F4G A rotary drum drier for drying granular and lumpy material comprises a rotary drum 1, stationary material inlet and outlet sections 3 and 2 respectively, hot gas supply pipe 4 and gas offtake pipe 5. Finally attached to the drum 1 is a gas flow tube 8 having at the end nearest to pipe 4 an adjustable device 12 which includes a telescopic tube 13 with a collar 14 at its inlet end whose cross-section corresponds to that of the mouth of supply pipe 4. Material enters through feed 6 and moves counter current to the gas flow to reach dry material outlet 10. By altering the proximity of the inlet end of telescopic tube 13 to the mouth of supply pipe 4 more, or less fresh hot gas by-passes through tube 8 to dry material just entering the drier. In a second embodiment the end of tube 13 is flared, the maximum diameter corresponding to that of the mouth of supply pipe 4. The outlet end of the gas flow tube 8 may be provided with individual exit nozzles.
Patent GB-455126-A (GB)
Title: Removable handle for saucepans and frying pans
IPC: A47J45/10
Filed: 1936-03-09
Abstract: 455,126. Tongs. SCHARER, J., Wattwil, St. Gallen, Switzerland. March 9, 1936, No. 7016. [Class 61 (ii)] A holding - tool for saucepans &c. comprises a pair of lever arms 1, 4, pivoted together at 5, the part 1 being of U-shaped section and formed with a bifurcated end 2 provided with splayed wallengaging portions 3 and the part 4 being formed with a hooked end 7 adapted to be engaged over the rim of the vessel. The lever arms are pressed together to grip the vessel, a resilient action being afforded by the provision of a blade spring 6 and by the parts 3 and 7 being formed of a yielding character.
Patent GB-703747-A (GB)
Title: Improvements in means for the discharge of dug or waste material from a craft into water
IPC: B63B35/30
Filed: 1952-03-19
Abstract: 703,747. Dredgers and dumping vessels. APREA, G., and AGNELLI, F. March 19, 1952 [March 21, 1951], No. 7065/52. Class 113(2)] Means for the discharge of material into water from a craft 1 comprises a reversible tank or mud box 9 adapted to receive in one of its positions the material discharged therein and in another position to discharge the material through an opening in a well 2 in the craft in which well the mud box is mounted. In the embodiment shown the mud box is cylindrical, has an opening which in the turned-upwards position of the mud box forms the loading opening and in the down-turned position the discharge opening, and rails 10 which contact rollers 11 mounted on the structure of the craft. Various embodiments are described. The mud box may be pivoted laterally, and more than one may be provided.
Patent GB-1500935-A (GB)
Title: Fluid operated agitator
IPC: B06B1/18
Filed: 1975-02-19
Abstract: 1500935 Washing fruit and vegetables VISH MINNO-GEOLOSHKI INSTITUTE NIS 19 Feb 1975 [19 Feb 1974] 7083/75 Heading A4C [Also in Divisions B1, D1 and F4] Apparatus for agitating a liquid or suspension comprises a first chamber 1 for the liquid to be agitated located above a second chamber 2 having an inlet for a fluid C (usually air), the chambers being separated by a partition 3 having at least one valve (as shown, plates 5); in operation, the pressure is adjusted so that the valve(s) continuously open(s) and close(s). The embodiment shown has a grid 15 and may be used for washing clothes; a perforated vessel may be placed over the grid for washing fruit and vegetables, or one with slots for washing dishes.
Patent GB-544800-A (GB)
Title: An improved bearing
IPC: F16C33/20
Filed: 1941-06-04
Abstract: 544,800. Bearings made of synthetic resins. LANDIS & GYR SOC. ANON. June 4, 1941, No. 7086. Convention date, June 4, 1940. [Class 2 (iii)] [Also in Group XXXIV] In a journal bearing wherein the working surfaces of both the rotating and the stationary parts are made of non-metallic material, the bearing surface of the metallic shaft 1 is surrounded by a sleeve 3, of non- - metallic material, e.g. a synthetic resin.
Patent GB-670872-A (GB)
Title: Improvements in pressure cookers
IPC: A47J27/08
Filed: 1947-03-17
Abstract: 670,872. Pressure cookers. NATIONAL PRESSURE COOKER CO. March 17, 1947 [June 20, 1946], No. 7368/47. Class 123(i) The cover 12 of a domestic pressure cooker is locked to the body portion 11 by the engagement of inwardly and outwardly projecting lugs 31, 30 on the two parts respectively, and fluid tightness is secured by a rubber &c. sealing ring 25 which is housed in a groove 26 in the skirt 27 of the cover and projects therefrom to contact a bevelled surface 24 on the peripheral flange 21 of the body portion. As shown, the lugs 30 are provided on their underside with an initial locking surface or step 32 and a fully-closed locking step 33, with a rounded shoulder 34 therebetween, the arrangement being such that, upon applying the cover to the body and rotating same in a clockwise direction as seen from above, the lugs 31 will first ride over the steps 32, to bring the parts into the position shown in Fig. 4, and then over the steps 33 to initiate a sealing pressure of the ring 25 upon the surface 24, Fig. 3, this sealing being augmented later by the internal pressure within the cooker acting upon the upper exposed area 28 of the said ring. The cover is removed by rotation in the opposite direction, the lugs 31 riding over the initial locking steps 32 in an intermediate position, Fig. 4, to permit the cover to lift slightly and release any internal pressure, thus preventing the cover from being blown off inadvertently. Rotation of the cover in the wrong direction and beyond the fully-closed position is prevented by a pin 36 which projects from the body flange 21 upwardly into the path of the cover lugs 31. In a modification the steps 32, 33 are provided on the upper face of the lugs 31.
Patent GB-627102-A (GB)
Title: Improvements in or relating to pacifiers for babies
IPC: A61J17/00
Filed: 1947-03-18
Abstract: 627,102. Babies' soothers. MIDDLETON, F. A. March 18, 1947, No. 7419. [Class 81 (ii)] A baby soother comprises a fixing nipple 4 formed on a sleeve 3 of rubber or rubber-like material, a finger ring 1 being mounted in the sleeve and fixed therein by an adhesive, the fixing nipple being fixed by an adhesive in a socket passing into or through the guard.