baber/WOPTO huggingface dataset:
Patent GB-811373-A (GB)
Title: Improved process and device for manufacturing looped yarn
IPC: D02G1/16
Filed: 1956-06-12
Abstract: 811,373. Textile spinning &c. machines; finishing yams. ONDERZOEKINGSINSTITUUT RESEARCH N.V. June 12, 1956 [Aug. 3, 1955; Nov. 7, 1955], No. 18132/56. Classes 120(2): and 120(3) In a device for producing multifilamentary "looped" yarn comprising a tubular treatment 'chamber having an axial thread supply inlet and a discharge opening at opposite ends thereof, a gas supply system debouching sideways of. the inlet and a baffle mounted near the opening, the gas supply system comprises one or more channels debouching tangentially in the chamber at the inlet. In the device shown in Figs. 1 and 2, a casing 1 has a bore 2 screw-threaded to house adjustably a thread inlet 18 and a nipple 5 having a bore 9, serving as a swirl chamber ,and a conical widening 8 against which a spring 19 urges a bushing 10 through ports 12 and channels 13 of which flows compressed air introduced through a bore 20. The end of the chamber may be closed e.g. by adaptatation of a baffle 25, and have a lateral, yarn outlet opening. Another construction, Figs. 3 and 4, comprises a bushing 10 in which gas inlet ports 12 end in an annular groove 28 and communicate through channels 29 with a comical widening 30 of the bore 9. The thread inlet 18, adjustably housed in a hollow screw 32, has a tube porton 34 fitting within a bore 31 of the bushing 10. The cross-section of the chamber 9 has a larger area than the total area of the smallest cross-sections of the blowing channels. The swirling motion of the gas may be in the same sense as or opposite to the sense of the twist in the yarn to maintain or lessen the twist therein during treatment. Reference has been directed by the Comptroller to Specification 767,835.
Patent GB-1459145-A (GB)
Title: Axle support assembly for attachment to a beam
IPC: B66C7/00
Filed: 1974-04-26
Abstract: 1459145 Mounting wheel axles DEMAG AG 26 April 1974 [26 April 1973] 18166/76 Divided out of 1459144 Heading B7L An assembly for mounting a wheel on an end beam of a travelling crane comprises two support members 3, 4 for location on each side of the beam 2a, the support members being formed with protruding bosses 3b, 4b provided with apertures to receive an axle 8. By forming the members with protruding bosses the distance between the axle bearing surfaces is increased to reduce the bending moment on the axle. The subject-matter of this Specification is identical with that described in the parent Specification 1,459,144.
Patent GB-837471-A (GB)
Title: New basic heterocyclic diazacyanine dyestuffs and their production
IPC: C09B44/18
Filed: 1956-06-13
Abstract: Dyes the cation of which has the formula <FORM:0837471/IV(c)/1> where Q is an alkyl, aralkyl or cycloalkyl radicle, R is an o- or p-phenylene or -naphthalene group and Y and Z are H or, possibly substituted, alkyl, aralkyl, cycloalkyl or aryl radicles or, jointly, are members of a heterocyclic ring which may be substituted are made by heating o- or p-aminoazo dyes free from SO3H groups of formula <FORM:0837471/IV(c)/2> in an inert solvent at up to about 200 DEG  C. and quaternating the product.  The free dyes are made by coupling appropriate diazotized heterocyclic amines with the necessary R component or by condensing the p-nitroso derivatives of the aromatic amines in an acid medium with the heterocyclic amine.  Specified quaternating agents are e.g. methyl iodide, ethyl bromide, benzyl chloride and dialkyl sulphates and sulphonates.  Alkylation may be effected in the melt, in an organic solvent or aqueous suspension at up to about 200 DEG  C.  The carboxy group may be split off during quaternation.  The dyestuffs dye tanned cotton, polyamides, polyurethanes and acrylonitrile polymers.  Red and bluish shades are obtained.  Their use in dyeing cellulose acetate is described in Specification 837,472.  In examples 3-amino-1,2,4-triazole-5-carboxylic acid is diazotized and coupled with dimethyl aniline, the product heated to remove the COOH group and the dyestuff thus obtained treated with dimethyl sulphate to yield a salt which is isolated (1) as a zinc chloride complex and (2) by precipitation with sodium perchlorate.  Other specified coupling components are dimethyl-m-toluidine, diethyl-m-chloraniline, bis - (b - hydroxyethyl) - aniline, dibutylaniline, N - b  - hydroxyethyl - N - butyl - m-toluidine, phenyl morpholine and 1-butyl-3-hydroxy - 7 - methyl - 1,2,3,4 - tetrahydroquinoline.
Patent GB-1382462-A (GB)
Title: Fluidised bed device
IPC: F26B3/092
Filed: 1972-04-19
Abstract: 1382462 Drying or cooling granular material ESCHER WYSS Ltd 19 April 1972 [19 April 1971] 18233/72 Headings F4U and F4G Apparatus for drying or cooling granular material comprises a vibratory chamber 1 having a lower perforated plate 4 through which air passes from a lower chest 5 to fluidize the material on the plate, the weight of the apparatus being carried on helical springs 9 adjacent its centre of gravity and having groups of flexible thin plates 12a, 12b at its ends respectively embedded in a support carried by a stationary frame 11 and in a fixing member on the apparatus to ensure stability and guide its movement. Vibrators 13 having thrust tubes 15 transmit the vibration forces.
Patent GB-1128769-A (GB)
Title: Heat treatment furnace
IPC: F27D1/18
Filed: 1967-04-20
Abstract: 1,128,769. Vacuum furnace doors. ALCO STANDARD CORP. 20 April, 1967 [21 April, 1966], No. 18271/67. Heading F4B. The heating chamber 11 of a heat treatment furnace, having a roller support 19 on to which workpieces 10 to be treated are loaded from a similar support 26 in an adjacent cooling chamber 20, is further provided with heating elements 18, vacuum pumps 29 and 30, and motor driven circulatory fan 36. Cooling chamber 20 also contains a circulatory fan 41. The aligned apertures 15, 16 between the chambers 11, 20 may be closed by independently operable sliding doors 45, 46 respectively, the former acting as an heat insulating, and the latter as a vacuum sealing door. Door 45 opens and closes with a simple vertical motion derived from actuator 50 and transmitted through rod 52. The movement of door 46 which includes sealing gasket 57 is derived from a similar actuator 54 and transmitted through rod 56. Rod 56 is secured to a frame 59, itself attached to the door 46 by pivotable parallelogram linkage 65, 66. The door 46 is closed and sealed against the water cooled gas-tight walls 17a of the furnace, by downward vertical movement of rod 56, frame 59 and door 46, till roller 69 secured to the bottom edge of the door, contacts flange 70 and rolls inwardly along it, further downward movement of the rod 56 and frame 59 serving to press the door 46 and gasket 57 gas-tightly against the furnace walls 17a. Opening of the door 46 is effected in the reverse sequence. The loading force on the gasket 57 may be adjusted by means of screws 74.
Patent GB-1089078-A (GB)
Title: Coaxial illuminator for stereomicroscope
IPC: G02B21/02
Filed: 1966-04-26
Abstract: 1,089,078. Stereo-microscopes. BAUSCH & LOMB Inc. April 26, 1966 [June 25, 1965], No.18304/66. Heading G2J. In an episcopically illuminated microscope having a complex lens system, such as a zoom objective, a great deal of light is reflected back to the eyepiece from the various glass-air surfaces and tends to degrade the image contrast, and therefore a stereo-microscope is arranged so that light passing from lamp 23 through condenser 24 and polarizer 28 is so polarized that after reflection by beam divider 27 it may pass downwardly through the optical system 10 to specimen surface 14, pass upwardly through optical system 11 and be passed by analyzer 29' to eyepiece 19', whereas light reflected at the various surfaces of system 10 back towards beam divider 27 will not be accepted by analyzer 29 for transmission to eyepiece 19. Similarly light from lamp 23' cannot be reflected by surfaces of system 11 back to eyepiece 19', but can pass through the system 11 to specimen plane 14, and, after passing through system 10 and beam divider 27 be accepted by analyzer 29 for transmission to eyepiece 19. In a modification beam dividers 27, 27' are oppositely inclined so that lamps 23, 23' may be replaced by a single centrally placed lamp.
Patent GB-136212-A (GB)
Title: Improvements in and relating to the Combustion of Fuel.
IPC: F23C99/00
Filed: 1918-11-09
Abstract: 136,212. Dellwik, C., and Techno-Chemical Laboratories, Ltd. Nov. 9, 1918. Open-hearth furnaces; charging.-In a reversible regenerative open-hearth furnace burning powdered fuel, the fuel, which may be mixed with the material to be treated, is carried into the furnace by a jet of cold or slightly heated air, steam, gas, or vapour, where it is met by highly heated air from the regenerator and ignited, a reducing atmosphere being produced in the furnace containing a restricted proportion of carbon dioxide. The combustion products may be led to and passed through the regenerators in the form of a combustible gas, in which case the sensible heat only of the gas is utilized for heating the regenerators, or additional air for the combustion of the gases may be supplied before they enter the regenerators. The Figure shows a furnace in which the fuel with or without material to be treated is fed from hoppers E, E<1> by jets of gaseous medium from pipes F, F<1> through passages G, G<1> alternately, the highly heated air to effect the ignition of the fuel being from one or the other of the regenerators B, B<1>. Additional air for the combustion of carbon monoxide leaving the working chamber A may be supplied through one or the other of the pipes K, K' according to the direction of the gases through the furnace. When the gases are not burnt completely before being passed through the regenerators, they may be led away through valves H, H<1> and utilized. Air inlet valves L,.L<1> and waste gas outlet valves J, J' are provided in connexion with the regenerators. Dust carried over from the working-chamber A is deposited in the chambers C, C'.
Patent GB-354472-A (GB)
Title: Improvements in and relating to the treatment of cellulosic materials
IPC: C13K1/02
Filed: 1930-06-16
Abstract: 354,472. Saccharifying c e l l u l o s e . JUNIEN, M., 18, Rue Gersant, Paris. June 16, 1930, No. 18432. Convention date, June 14, 1929. [Class 127.] Cellulosic materials are hydrolysed with hot dilute sulphuric acid in the presence of excess of water, the free oxygen in the material to be treated being eliminated by heating under vacuum prior to its acidification. The volatile byproducts are recovered in two stages, firstly in the hydrolysis stage and also in the course of the lignin distillation, the hydrolysing acid necessary in the first stage being recovered by lixiviation of the distilled lignins. The heat from the vapours of both stages is recovered. The process is carried out in an autoclave 1, provided with internal tubular heating surfaces 2 and a central tube 10 for the cellulosic material. The liquid circulates downwards through the tube 10. The resulting mash can be fermented by yeast.
Patent GB-681976-A (GB)
Title: Improvements relating to mixing machines, in particular concrete mixers
IPC: B28C5/12
Filed: 1951-08-03
Abstract: 681,976. Mixing appliances. AUGUST, P. Aug. 3, 1951 [Aug. 4, 1950], No. 18462/51 Addition to 668,993. Class 86 The mixing worm of the parent Specification is modified by providing two spirally wound bands, all or both of which are formed with alternately inside and outside cutouts of which the outside cutouts in the one band are staggered with respect to the outside cutouts in the other band or bands in such manner that the inner surface of the mixing trough is everywhere swept by the outer edge between cutouts of at least one of the bands forming the worm. As described a pair of spirally wound bands are built up from two kinds of blades S\ S<SP>2</SP> each extending over an arc of 90‹ and welded to spokes 8 on the shaft 4. The blades S<SP>1</SP> are shaped so as to leave a crescent-shaped cutout A in the outer edge of the band and the blades S<SP>2</SP> are shaped so as to leave a crescentshaped cutout J on the inner edge of the blade. The tapering ends of the crescentshaped cutouts point forward in the direction of the rotation as shown by the arrow P<SP>1</SP>. The two bands are shown in Fig. 2 and are distinguished by horizontal shading for one band and vertical shading for the other band, the blades being arranged so that when the worm rotates each blade S' is followed by a blade S' in the other band.
Patent GB-1097281-A (GB)
Title: Method and device for striking an electric arc
Inventor: CONSOLI TERENZIO
IPC: H01J17/00
Filed: 1966-04-27
Abstract: 1,097,281. Cold-cathode tubes; lasers. COMMISSARIAT A L'ENERGIE ATOMIQUE. April 27, 1966 [May 14, 1965], No. 18483/66. Headings H1C and H1D. An arc between a pair of electrodes is struck, with very short ignition time and dispersion, by directing a laser beam upon a gas-loaded target positioned adjacent the inter-electrode gap. The target may be of lithium deuteride or titanium, and may be loaded with deuterium.
Patent GB-1069445-A (GB)
Title: Process for covering an article with a metal foil wrapper
IPC: B65D85/74
Filed: 1964-05-04
Abstract: A coating composition which is able to acquire and retain adhesive power in a humid environment comprises a solution of tannic acid in a volatile solvent.  The composition may also comprise polyvinyl ether. The proportion of polyvinyl ether in the composition may be between 1 and 20% by wt. of the tannic acid. The composition may comprise 40% by wt. pure tannic acid, 2% by wt. polyvinyl ether and 58% by wt. 95% ethyl alcohol.ALSO:A coating composition which is able to acquire and retain adhesive power in a humid environment comprises polyvinyl ether, tannic acid and a volatile solvent.  The proportion of polyvinyl ether in the composition may be between 1 and 20% by wt. of the tannic acid. The composition may comprise 40% by wt. pure tannic acid, 2% by wt. polyvinyl ether and 58% by wt. 95% ethyl alcohol.ALSO:A wrapping material comprises a metal foil e.g. paper having aluminium foil on both surfaces, coated on the portions which overlap when the material is wrapped around an article with a composition which is able to acquire and retain adhesive power in a humid environment.  The composition may comprise a solution of tannic acid in a volatile solvent.  The composition may also comprise polyvinyl ether.  The proportion of polyvinyl ether in the composition may be between 1 and 20% by wt. of the tannic acid.  The composition may comprise 40% by wt. pure tannic acid, 2% by wt. polyvinyl ether, and 58% by wt. 95% ethyl alcohol.  The article to be covered may be able to cause humidity in the environment of the wrapper e.g. butter.
Patent GB-887141-A (GB)
Title: Improvements in or relating to the manufacture of silver azide
Inventor: WILLIAMS EDWARD
IPC: C01B21/08
Filed: 1961-08-03
Abstract: 887,141. Silver azide. SUPPLY, MINISTER OF. Aug. 3, 1951, No. 18499/51. Class 1(3) Silver azide is precipitated in a crystalline free flowing form by interacting carbon dioxide or a bicarbonate with an ammoniacal solution of silver azide. The latter solution may also contain sodium thiosulphate, a sodium higher alkyl sulphate or a colloid such as sodium carboxymethyl-cellulose.
Patent GB-1454716-A (GB)
Title: Wagno door control system and dual cam therefor
IPC: B60P1/56
Filed: 1975-05-02
Abstract: 1454716 Door operating mechanisms CATERPILLAR TRACTOR CO 2 May 1975 [30 Sept 1974] 18556/75 Heading E2M [Also in Division B7] In apparatus for controlling the position of the dump door of a vehicle by a'manually operable control 20 selectively positionable to' operate power means 30, 31 which moves the door in either of the opening and closing directions, a mechanism switches the control to another position stopping movement of the door when it reaches the open or closed positions. As shown in Fig. 3 the lever 21 is positionable in an "Open" position thereby pivoting bell crank lever 24 anticlockwise which further operates a valve 25 for supplying hydraulic fluid to rams 30, 31 opening the pivotable dump doors 13, 12. Door 13, via a lever mechanism 49 pivots a cam 46 which by means of cam follower 37 actuates air operated latching mechanism 36 for holding the lever 24 and hence control lever 20 in the "Open" position. When cam follower 37 enters either of recesses 60, 61 corresponding to half and fully open positions of the dump doors, the latching mechanism 36 is released so that the lever 20 by means of spring 64 is made to return to a "Hold" position thus arresting further movement of the dump doors. Similarly on return of the dump door from the open position the cam follower finally enters the recess 59 corresponding to a fully closed position of the dump doors thus releasing latching mechanism 36 for lever 20 to be switched from the "Close", to the "Hold" position. A further cam member 48 pivotable with cam 46 has a projection 62 which occupies the position of recess 60 so that the cam follower is prevented from releasing the latching mechanism at the half open condition only on movement from the "Open" to "Close" position of the doors.
Patent GB-770861-A (GB)
Title: Apparatus capable of producing periodical jets of gas
IPC: F24F3/04
Filed: 1955-06-28
Abstract: 770,861. Electric indicating systems. ESSO RESEARCH & ENGINEERING CO. June 28, 1955 [July 27, 1954], No. 18623/55. Class 40 (1). [Also in Group XXVIII] In a device for determining the moisture content of a gas wherein a stream of the gas is first divided into two portions, one being passed into a conduit 25 and the other being first dried and then supplied to a conduit 26, the conduits lead via a valve 32 and conduits 30, 31 to a coil 41 in a Dewar flask 22 and thence to cells 42, 43 which contain a bed of adsorption-desorption material and a thermopile 47, 48 connected by leads 49, 50 to a conduit 29 of a measuring instrument (not shown). By operating the valve 32 the dried and undried portions of the gas stream are admitted to the cells 42, 43 alternately, the adsorption and desorption of the moisture therein resulting in temperature changes which cause the thermopiles to actuate the measuring instrument and thereby record the moisture content of the gas.
Patent GB-1112713-A (GB)
Title: Self cleaning magnetic switch
Inventor: WINTRISS GEORGE
IPC: H01H36/00
Filed: 1966-04-28
Abstract: 1,112,713. Retractive switches; mechanical switches. INDUSTRIONICS CONTROLS Inc. 28 April, 1966, No. 18664/66. Heading H1N. A self-cleaning switch with magnetic snapaction includes a movable round contact bar 35 pivoting on a magnetic contact 34 and movable with a snap action by a plunger 32 between a magnetic contact 40 and an abutment 38, which may also be a contact, the bar 35 rotating slightly about its longitudinal axis to effect wiping of the contact surfaces of the switch, and the bar 35 snapping back into contact with the magnetic contact 40 when the pressure on plunger 32 is released, again with a wiping of the contact surfaces as it leaves contact 38. Contacts 34, 38, 40 are parallel bars and contacts 34, 40 are permanent magnets. In a further embodiment, Fig. 5, contacts 101, 102, 103, are each permanent magnets and the movable round contact bar 104 is actuated by plungers 107 or 108 to pivot about contacts 103 or 102. Plunger 107 initially changes over bar 104 from contact 102 to contact 101 and then plunger 108 is used to reset the switch by pivoting bar 104 about fulcrum 109 away from contact 101 and towards contact 102. Alternatively resetting is possible by additional pressure on plunger 107.
Patent GB-861424-A (GB)
Title: Aluminum brightening solution
IPC: C23F3/03
Filed: 1959-06-02
Abstract: Aluminium and alloys thereof are brightened by treatment with a phosphoric acid-nitric acid solution containing one or more of 2, 4, 6 triamino-s-triazine, carbamide and dicyandiamide to inhibit fuming. Suitable solutions consist, by weight, of 75-87% phosphoric acid, 2-5% nitric acid, 0.05-3% of the fume inhibitor and water.  Other materials which may be included in the solutions are sodium nitrate, sodium sulphate, ferrous sulphate, copper sulphate, manganese sulphate, and nickel sulphate.  Brightening is effected at a temperature of 160 DEG -230 DEG F.
Patent GB-1112213-A (GB)
Title: Nuclear reactors
Inventor: DAVEY WESLEY PEARCE
IPC: G21C13/00
Filed: 1966-04-28
Abstract: 1,112,213. Reactors. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. 24 April, 1967 [28 April, 1966], No. 18768/66. Heading G6C. In a nuclear reactor power plant, the light-water cooled, heavy water moderated reactor 11, supplies steam to the turbine 41. The reactor is mounted within the chamber 22 positioned inside the turbine hall, 28. Chamber 22a is vented through water pond 25 into 28. Chambers 23, containing steam header drums 21, are vented into pond 31 so as to discharge to the atmosphere through the stock 32, steam released by the failure of drums 21. The pond 25 functions as a pressure suppression device and is designed to deal with maximum feasible core failure. The flow of released vapour between the separate chambers is controlled by rupturable discs and sonic chokes.
Patent GB-481431-A (GB)
Title: Improvements in and relating to driving means for concentrating, sifting, conveying, moulding, pulverising, crushing and similar apparatus
IPC: B07B1/34
Filed: 1936-07-07
Abstract: 481,431. Jigging-conveyers. GENERAL ELECTRIC CO., Ltd., and SHERWEN, J. W. July 7, 1936, No. 18831. [Class 78 (i)] [Also in Groups II, V, and XXXV] A sieve, concentrator, conveyer, moulding, or pulverizing machine is vibrated by an electromagnet the armature of which is resiliently connected thereto and the electromagnet is suspended from the body to be vibrated or if secured directed thereto is connected to the armature by coil springs while the armature is connected to the body by leaf springs. In the form shown the armature 15 is carried by a resilient plate 11 secured at one end to a casting 1 which carries the U-shaped wound core of the electromagnet and adjustable springs 16 extend on either side of the electromagnet between plate 11 and a similar plate 12 on the other side of the casting. The casting has eye bolts to receive supporting links and one or both of plates 11, 12, with extensions where necessary are secured to the body to be vibrated. In the form shown in Fig. 7, the electromagnet core is carried by a casting 30 provided with shoulders 31 against which the springs 32 abut and having a base 37 secured to the table. The armature 34 is clamped between brackets 35 carried by resilient plates 36 secured to the base 37. Specifications 421,657 and 441,733, [both in Group XXXV], are referred to.