baber/WOPTO huggingface dataset:
Patent GB-342779-A (GB)
Title: Improvements in the production of viscose for the manufacture of artificial silk
IPC: D01F2/08
Filed: 1929-11-09
Abstract: Viscose for the manufacture of artificial silk and films is made by using as the initial material the product obtained by treating cellulose such as wood pulp or linters according to the process of Specification 268,505, [Class 2 (ii), Cellulose &c.], that is, by treatment with alkali and carbon disulphide under conditions such that a water-insoluble product results, and subsequently treating such product with a mild oxidizing agent. The oxidized product so obtained, either in the form of sheets or in loose fibrous condition, is then subjected to the action of caustic alkali and carbon disulphide; thus, the material is soaked in or treated with caustic alkali solution of more than 15 per cent strength, is then pressed and treated with carbon disulphide in amount which is the less the greater the degree of conversion effected in the first stage of the process, and the viscose is finally obtained by solution of the product in water or caustic alkali solution. The solution may be employed directly, or it may be treated according to the process of Specification 264,261, [Class 2 (ii), Cellulose &c.]. To the caustic alkali solution used in the second stage of the process there may be added a reducing agent such as sodium sulphide or sulphite, glucose, etc.; or the reducing agent may be added at a later stage, for example, during the treatment with carbon disulphide, or subsequently as during the mixing, and in fact the separate addition of a reducing agent may be omitted since alkali sulphides formed during the treatment with carbon disulphide may serve for this purpose; alternatively, the reduction may be effected by hydrogen &c. preferably in the presence of a hydrogenating catalyst. Oxidizing agents suitable for use in the first stage of the process are nitrous acid, bichromates, peroxides, ferricyanides, &c. in the presence of weak acids, sulphurous acid in the presence of sodium acetate, bisulphites in the presence of weak acids, ferric or cupric salts, and air or oxygen with or without the aid of oxidizing catalysts; in an example, nitrous acid is used, the product having first been neutralized or rendered faintly acid with acetic or sulphurous acid. Specifications 126,174, 240,717, 286,331, 286,332, 309,053 and 318,088, [all in Class 2 (ii), Cellulose &c.], also are referred to.
Patent GB-1005756-A (GB)
Title: Blinds
Inventor: TOSTDEVINE FREDERICK JAMES
IPC: E06B9/42
Filed: 1963-08-30
Abstract: 1,005,756. Blinds. J. AVERY & CO. (Est. 1834) Ltd. Aug. 31, 1964 [Aug. 30, 1963], No. 34315/63. Heading A4B. A roller blind has enclosed within each side hem 112 of the blind cloth 11 a pair of convex-concave sheet metal or plastic strips 12 arranged face to face which strips will wind on and off the roller as the blind is raised or lowered but will expand each hem to an elliptical shape to prevent its withdrawal from the side portions 101 of the blind frame. In a modification a single strip is used.
Patent GB-452625-A (GB)
Title: Improvements in and relating to platen-carriage track-frames for typewriting machines
IPC: B41J11/22
Filed: 1935-12-11
Abstract: 452,625. Typewriters. FAIRWEATHER, W. C., 65, Chancery Lane, London.-(Underwood Elliott Fisher Co. ; 342, Madison Avenue, New York, U.S.A.) Dec. 11, 1935, No. 34321. [Class .100 (iv)] Carriage-shift mechanism.-The carriage shiftframe is mounted on rock-arms and is guided at each side by a ball running in races, the arrangement allowing the frame to rock slightly on the balls during the shift movement. In the mechanism shown in the Figure the carriage 20 runs on tracks 23 on a shift-frame consisting of side plates 28 and a back plate 29, the side plates having notches 39 engaging pins 38 on , arms 37 secured to a rock-shaft 36. The shiftframe is guided at each side by a single ball 40 running in races 41<a>, 43 formed in plates 41, 44 secured to the side plate 28 and the main framework 14 respectively. The arms 37 and balls cause the shift-frame to move in a path substantially parallel to the inclined type-lever segment 11, the balls permitting the shiftframe to rock slightly. Each plate 44 is formed with a slot 46 engaging guide-pins 47, and is adjustable normally to the segment by means of a screw 48, a clamping-screw 45 being provided for securing the plate. Shims are placed under the left-hand plate 44 for the purpose of pinching the balls in the races. Lugs 66 prevent the balls from riding out of the races. The plates 44 are adjusted independently to adjust the platen 19 with respect to the printing line. Shift-key actions.-Shift-key levers 56, engaging the pins 38, are each provided with an adjustable stop consisting of a bendable tongue 58 engaging the framework 14. The arms 37 are each provided with a broad extension 60 arranged between adjustable stops 61, 62 consisting of leather pads mounted in the cupped ends of screws 63.
Patent GB-282447-A (GB)
Title: Improvements in the making up of absorbent undergarments such as catamenial appliances
IPC: A61F13/15
Filed: 1927-12-19
Abstract: 282,447. Schmautz, H. Dec. 20, 1926,. [Convention date]. Drawings to Specification. Napkins and pilches.-According to the Specification as open to inspection under Sect. 91 (3) (a) infants' napkins may be of cellulose wadding having an impervious layer on one face, and may be provided with a marginal seam and a gauze cover. This subject-matter does not appear in the Specification as accepted. Specification 265,125 is referred to.
Patent GB-942271-A (GB)
Title: Duplicating milling machine
IPC: B23Q35/06
Filed: 1960-10-07
Abstract: 942,271. Copy-milling. H. DECKEL, and F. W. DECKEL. Oct. 7, 1960 [Oct. 13, 1959], No. 34410/60. Headings B3B and B3K. A copy-milling machine comprises separatelydriven roughing and finishing cutters 24, 64, the latter being controlled by a separate copying attachment working on a common pattern 86. The roughing cutter 24 and a tracer 28 are attached to a milling carriage 20 movable horizontally on a vertically-adjustable gear-box 18 mounted on a horizontal slide 16, the movement being controlled by hand wheels or from a control cabinet 36. An angular table 38 supports an adjustable pattern table 46 and a similar table supports the work-table 48. A pantograph linkage 50 is mounted at 52 on the carriage 20, the copying point 54 being coupled to a slide 56 carrying another tracer 62 and the finishing cutter 64. The cutter 64 is rotated by a motor 66 by belt drives in swinging casings 68, 70. The slide 56 moves on tapered-roller-bearings 72 on a support 74 movable by guides 76 engaging a slide 78 vertically movable on the carriage 20. The guideways are enclosed by bellows 82. After a roughing operation has been under way for some time under automatic control using the contouring method (for several workpieces) or the parallel stroke (for a single workpiece) method, the finishing cutter is brought into play. The work may be moved instead of the roughing tool and the finishing spindle may be mounted on a stationary or a movable part of the machine.
Patent GB-469167-A (GB)
Title: Improved method of and machine for stencilling granular inlaying composition in themanufacture of linoleum and other sheet material
IPC: D06N7/00
Filed: 1936-05-22
Abstract: 469,167. Inlaid linoleum. ARMSTRONG CORK CO. May 22, 1936, No. 34595. Convention date, Dec. 16, 1935. Divided out of 469,154 and addition to 418,156. Drawings to Specification. [Class 140] In the manufacture of inlaid linoleum or similar inlaid material as described in the parent Specification in which granular inlaying composition is fed to a stencil opening and an inclined blade or the like moved across the opening to compress the composition therein, additional composition is fed subsequently to the opening and similarly compressed. The feeding and compressing apparatus is identical with that described in Specification 469,154.
Patent GB-435175-A (GB)
Title: Improvements in or relating to automatic couplings more particularly adapted for use upon automobiles
IPC: F16D43/18
Filed: 1933-12-08
Abstract: 435,175. Friction clutches. SINNER, N. SCHOCK-, Grevenmacher, Luxemburg. Dec. 8, 1933, No. 34635. Void [Abridged as open to inspection under Sect. 91 of the Acts, June 9, 1934]. [Class 80 (ii)] In a centrifugal friction clutch, shoes D pivotally mounted on pins B secured to a driving flywheel A have conical surfaces adapted to engage the inturned conical rim of a driven disc C, and are normally retracted by springs F connected to a ring E loosely mounted on the hub of the disc C.
Patent GB-324749-A (GB)
Title: Improvements in or relating to fire-extinguishing apparatus
IPC: A62C5/00
Filed: 1928-11-24
Abstract: 324,749. Rutledge, P. V. Nov. 24, 1928. Fire-extinguishing by liquid mixtures; extincteurs.-A device for mixing a fireextinguishing liquid, for example one of a volatile character, with the liquid flowing from a fire-extinguishing appliance, consists of an outer casing 6 housing a sealed receptacle 13. The receptacle is of annular form, and a spindle 11 passing through the central passage 14 carries a valve 16 controlling outlets 15 in the bottom of the receptacle. The lower part of the casing is formed as a passage-way below a wire gauze 17. In use, the valve 16 is opened, allowing the volatile liquid to fall down into the passage-way where it mixes with the liquid entering from the extinguishing appliance by a port 7 and escaping by a port 8. The outlets 15 may be sealed by a metal capsule, instead of by a valve, depression of the spindle 11 then tearing off the capsule. A series of outlets in line may be closed by separate capsules, which are all torn off by a bar passing below the receptacle. As shown, the device, with its receptacle charged with methyl bromide, is inserted in the discharge pipe 5 of a foam fire-extinguisher 1. In a modification, the device is arranged in the outer container of the extinguisher.
Patent GB-1533753-A (GB)
Title: Process and machine for finishing a 15 degree to 180 degree pipe bend which has been preformed on a pipe bending press
IPC: B23D45/10
Filed: 1976-08-20
Abstract: 1533753 Making pipe bends SIDRO KG LUDWIG MOLLER FABRIK FUR ROHRBOGEN 20 Aug 1976 [23 Jan 1976] 34759/76 Heading B3A A process for finishing a preformed 15 to 180 degrees pipe bend comprises a hot sizing operation at 700-900 C. whilst simultaneously trimming both ends of the pipe bend to its final desired dimensions. A machine for performing such a process comprises a frame 1, an hydraulically operable die 2, and, mounted on slides, supports or swivel arms 3, two trimming devices 5 traversible in the frame and angularly adjustable to the angle of the pipe bend. Each trimming device 5 comprises a supporting arm 5<SP>1</SP> and either an electric motor 5<SP>2</SP> pivoted on the arm 5<SP>1</SP> and having a detachable grinding disc or saw blade 6, or else a member for removing the ends 4<SP>1</SP> of the pipe bend electrolytically (not shown).
Patent GB-1108168-A (GB)
Title: Absorbent tampons
IPC: A61F13/20
Filed: 1965-08-13
Abstract: 1,108,168. Making tampons. JOHNSON & JOHNSON. 13 Aug., 1965 [24 Nov., 1964], No. 34766/65. Heading A5R. [Also in Division D1] A tampon comprises an uncompressed bundle of continuous funicular elements extending from one end of the tampon to the other, which have been wet-crosslinked while deformed, with subsequent removal of the deformation and drying, so that they are straight and aligned in the dry state but become crimped, deformed or textured upon wetting. A "funicular element" is defined as being any cord-like or fibrous structure, such as single continuous filaments or yarns of long synthetic or short staple fibres. The tampon is made by subjecting such elements to a bulking, crimping, texturing or deforming operation, then effecting a wet crosslinking process, stretching or otherwise returning the so-treated element to its original form before, during, or after drying (i.e. removing the crimp), aligning the elements into a bundle of indefinite length, cutting the bundle at intervals of twice the length of the tampon, and tying with a removal string at the centre; the tied bundle is then folded in half to form the tampon, as shown in the drawing. The tampon may be enclosed in a conventional cylinder and plunger type applicator.
Patent GB-1001136-A (GB)
Title: Improvements in or relating to the biological purification of waste water
IPC: C02F3/04
Filed: 1962-09-12
Abstract: 1,001,136. Percolating filters. W. ALBERSMEYER. Sept. 12, 1962 [Sept. 14, 1961], No. 34795/62. Addition to 988,584. Heading B1D. The apparatus of the parent Specification is modified by the introduction of compressed air at spaced locations 15, 16 and 17 to prevent breakdown of the aerobic decomposition process during high rates of sewage flow.
Patent GB-394372-A (GB)
Title: Improvements in and relating to electric motor speed control systems
IPC: F23H3/02
Filed: 1931-12-16
Abstract: 394,372. Maintaining defined speeds of motors. BRITISH THOMSON-HOUSTON CO., Ltd., Crown House, Aldwych, London.-(Assignees of Thompson, L. W. ; 53, Baker Avenue, Schenectady, New York, and Horstkotte, E. H. ; 1336, West 9th Street, Erie, Pennsylvania, both in U.S.A.) Dec. 16, 1931, No. 34876. Convention date, Dec. 16, 1930. [Class 38 (iii)] Each working motor 10 is maintained at a speed proportional to a motor 74, by deriving from a device 57 an alternating current of a frequency proportional to the speed of the working motor and comparing this derived current in a device 62 with a current similarly derived from a device 59 driven by the motor 74, the resultant movement of the device 62 being used to vary the resistance of a carbon pile 82 in series with the field 27 of the motor 10. All the motors are supplied on the Ward-Leonard principle from a generator 18, the voltage of which is regulated by rheostat 42 operated by a pilot motor 47 under the control of pushbuttons 55, 56. In order that the carbon-pile shall not be sluggish in action at low basic speeds of the motor 10 and erratic at high basic speeds, its action is modified by displacement of the fulcrum 84 of a lever 83 mechanically associating the device 62 with the carbon pile. This displacement is proportional to the movement of the rheostat 42 and is effected by transmitter and receiver devices 89, 88. The devices 57, 59, 88, 89 are energized from a single-phase supply 66, and current for the motor and generator fields is derived from an exciter 29.
Patent GB-805343-A (GB)
Title: Dry shaver head
IPC: B26B19/14
Filed: 1955-12-06
Abstract: 805,343. Dry shavers THORENS, S. A. Dec. 6, 1955 [Jan. 13, 1955], No. 35034/55. Class 131 A dry shaver head comprises a rotatable cutter pressed against the undersurface of a thin flat circular guard plate which has sets of open-ended radial slots, the parts of the guard plate between the slots being free to flex to suit the contour shaved and bent down extensions of the guard plate, between the sets of slots, being clamped to the head below the level of the guard plate. As shown, extensions 17 of the guard plate 16 are clamped between flanges 19, on an outer ring 2, and seating surfaces 27 on feet 18 formed by cutting away parts of an inner ring 1. The rings form a socket secured to tlhe body 8 of the shaver by a bayonet and socket joint 7, 6 and enclosing a blade carrier 3 centred by a projection 11 on a drive shaft 9 from which the carrier is driven by a finger 5. A cutter blade 13 is secured by a screw 14 to each of the three arms of the carrier, the blades being cut away at 29 to provide an effective cutting part 28 projecting outwardly from the rest of the 'blade and co-operating with the guard plate. Cut hair is ejected through the spaces beneath the guard plate in the intervals between the feet 18
Patent GB-627268-A (GB)
Title: Apparatus for recovering and unpriming the elements forming small bore ammunition
IPC: F42B33/06
Filed: 1946-11-26
Abstract: 627,268. Disintegrating ammunition. TECHNIQUES MODERNES SOC. ANON. Nov. 26, 1946, No. 35103. Convention date, July 11. [Class 9 (i)] In apparatus for recovering and unpriming the elements of small bore ammunition, ammunition is brought by a conveyor belt C and a shoot D to a wheel E with its rim inclined at about 30 degrees, a pusher member thrusting the individual rounds into housings F provided on the periphery of the wheel, so that, as the wheel is rotated, each projectile is brought into engagement with an extracting device G consisting of a carriage having a reciprocating motion and provided with two jaws adapted to grip the projectile and tear it out of the cartridge case. Furthermore, after extraction of the projectile the gunpowder falls out of the case into a receiver J and the case is then submitted to the action of a striker K and finally ejected. An iron plate having a V-shaped slot positions the individual rounds in the shoot D so that they arrive base downwards at the wheel. The rotation of the wheel and reciprocating motion of the extracting device are intermittent and arranged to take place alternately by inserting in the drive from a motor A a Maltese cross B, co-operating with a cam and a roller. The extractor carriage is provided with sleeves of diameters varying with the calibre of the ammunition. The extractor jaws are spring-pressed and move apart as they approach the projectile, which is then gripped between their striated surfaces and pulled out of its case on the return journey of the carriage. The extracted projectiles pass through a channel into a receiver, the leading projectiles being pushed forward by the following ones. As the wheel continues its motion, the gunpowder is poured into a collector J which conveys it to a receiver isolated beneath the machine. The cartridge case passes in front of a spring-actuated striker K controlled by a cam slope on the wheel. The striker fires the primer and ejecting means forces the case from the wheel into a receiver. If the jaws fail to extract the projectile, the latter contacts a safety switch M and stops the motor A. Mechanical or electrical means for driving the machine may replace the motor A. The conveyor belt may be replaced by an incline.
Patent GB-1189477-A (GB)
Title: Lubricant Composition for Synthetic Fibres
Inventor: KATSUMI MAMORU
IPC: D06M13/02
Filed: 1967-08-01
Abstract: 1,189,477. Textile oils. KAO SOAP CO. Ltd. 1 Aug., 1967, No. 35218/67. Heading C5F. An antistatic lubricant for treating synthetic fibres comprises an oil in water-emulsion containing 5-30 wt. per cent of a composition comprising 10-50 wt. per cent-of the sodium salt of a 1-carboxyethoxyethyl-2-alkyl-2-imidazoline, 40-80% of a mineral oil or an aliphatic acid ester such as octyl oleate or a mixture of sorbitan trioleate with sorbitan monooleate, and 0-40% of an anionic or non- ionic surface-active agent or a mixture thereof. A higher alcohol, e.g. oleyl alcohol, a higher aliphatic acid, amine or amide, may be included as an emulsifying aid. Suitable surface-active agents are a mixture of polyoxyethylene lauryl ether with sodium petroleum sulphonate, and polyoxyethylenated castor oil.
Patent GB-396994-A (GB)
Title: Improvements relating to electric accumulators
IPC: H01M4/76
Filed: 1932-12-13
Abstract: 396,994. Accumulators. CHLORIDE ELECTRICAL STORAGE CO., Ltd., Clifton Junction, near Manchester.-(Hamilton, J. A. ; Allegheny Avenue, Philadelphia, U.S.A.) Dec. 13, 1932, No. 35299. [Class 53.] A plate consisting of a metal. top bar with depending rods 3 surrounded by active material and perforated insulating tubes' is provided with a lower bar 9 of insulating material which connects the .rods 3 and closes the lower ends of the tubes. The bar 9 may be made by moulding unvulcanized rubber over the ends of the rods and tubes, pressing it to the required shape and vulcanizing.
Patent GB-1207647-A (GB)
Title: A propulsion device for water-borne craft
Inventor: MAMBRETTI RICCARDO
IPC: B63H5/14
Filed: 1969-07-15
Abstract: 1,207,647. Marine propellers. R. MAMBRETTI. 15 July, 1969 [16 July, 1968], No. 35501/69. Heading B7V. A marine propeller assembly comprises a double-start helical propeller 6 rotatably mounted by bearings 10 in a tubular casing 5 attached to the vessel by a support 9, which may be fixed or angularly adjustable for steering.
Patent GB-842732-A (GB)
Title: Purification and concentration of aqueous solutions of novobiocin
IPC: C07H17/075
Filed: 1956-11-21
Abstract: The antibiotic novobiocin is recovered from aqueous solution e.g. a filtered or whole broth of steptomyces spheroides NRRL 2449 by extracting the aqueous solution under acidic conditions with an organic solvent (defined) and treating the extract so produced with an alkaline aqueous buffer solution.  The organic solvent is a slightly polar neutral water immiscible solvent which is an ester, ketone or alkanol higher than butanol e.g. amyl acetate, ethyl acetate, n-butyl acetate, isoamyl alcohol and methyl isobutyl ketone. It is preferred to carry out the extraction at pH 6,5.  The aqueous buffer has a pH of at least 8,5 and preferably contains a water-miscible, C1-6 polar organic solvent such as methanol, N,N-dimethylformamide or ethylene glycol.  Specified aqueous buffers are (a) an aqueous solution of sodium carbonate, sodium bicarbonate and methanol of pH 9,5, and (b) aqueous ammonia containing methanol and having a pH 9,5. Novobiocin is precipitated from the aqueous concentrate of the buffer extract by adding an alkanol and alkanoic acid e.g. a mixture of methanol and acetic acid.  In one example, a broth of pH 7,0 to 8,0 is filtered using a filter aid.  The filtrate adjusted to pH 6,5 is extracted twice with amyl acetate, the extracts combined and extracted with aqueous sodium carbonate, sodium bicarbonate and methanol at pH 9,5.  The aqueous extract is concentrated, adjusted to pH 2,3 to 2,6 by means of mineral acid e.g. hydrochloric to precipitate the novobiocin which is purified by dissolution in methanol followed by precipitation by addition of water and acetic acid to give a methanol-water-acetic acid of 10:4:1. Specifications 795,902, 821,819 and 842,733 are referred to.
Patent GB-367861-A (GB)
Title: Improvements in, or relating to, piston rings
IPC: F16J9/14
Filed: 1930-11-26
Abstract: 367,861. Piston rings. BIRCH, G., 22, Meadow Bank Avenue, Sheffield. Nov. 26, 1930, No. 35619. [Class 122 (i).] In piston rings of the type comprising a split ring a of L section housing a second ring c, the gap in the ring a is so stepped that the outer or inner annular b, d thereof extend respectively from opposite ends of the ring across the gap.
Patent GB-1152686-A (GB)
Title: Gas Turbine Plant with Nuclear Reactor
IPC: F02C1/05
Filed: 1966-08-09
Abstract: 1,152,686. Gas turbine plant. ESCHER WYSSA.G. Aug.9, 1966 [Aug.12, 1965], No.35678/66. Heading F1G. [Also in Division G6]. A gas cooled nuclear reactor 1 supplies working medium through a conduit 7 to a gas -turbine 2, the turbine exhaust passing through a heat exchanger 6, coolers 5', 5", a compressor 3, the other side of heat changer 6, a non-return valve 13 and back to the reactor. If, due to a fault, the turbine 2 is unable to take heat generated by the reactor, the reactor is cooled by starting up a blower 10 in an emergency cooling conduit 8 containing a non-return valve 11. The conduit 8 is connected to a conduit 7<SP>1</SP> joining the two coolers 5', 5", the latter being large enough to abstract sufficient heat in an emergency. The valve 13 situated upstream of the conduit junction 12 prevents the coolant from returning to other parts of the coolant circuit before it has passed through the reactor. A valve 14 may be opened to by-pass the heat exchanger 6.