baber/WOPTO huggingface dataset:
Patent GB-1141750-A (GB)
Title: New basic azo dyestuffs and process for their manufacture
IPC: C09B43/40
Filed: 1967-05-10
Abstract: 1,141,750. Water-insoluble basic azo dyes. CIBA Ltd. 10 May, 1967 [27 May, 1966; 21 Feb., 1967], No. 21646/67. Heading C4P. The invention comprises basic dyes free from sulphonic and carboxylic acid groups having the general formula wherein A is a radical of the benzene series, B is a p-phenylene radical, X is a cyanoalkyl, alkoxyalkyl, acyloxyalkyl, cyanoalkoxyalkyl or an alkylene group containing alkyl-CO-, aryl -CO-, -SH, -SR, -COOR, -CONH 2 , -CONHR or CON(R)R 1  as substituent, R and R 1  being alkyl or aryl residues, and Y is an alkylene residue to which a nitrogen atom which is a ring member of a heterocyclic tertiary or quaternary amine is directly linked, e.g. pyridine, pyrimidine, piperidine or morpholine. They are prepared by (a) diazotization and coupling, (b) reacting an azo dye of the formula where Y 1  is an alkylene radical containing a replaceable atom or group, e.g. halogen or sulphatoalkyl with a secondary or tertiary heterocyclic amine and optionally an excess of amine in presence or absence of a solvent or (c) quaternating the corresponding azo dye containing a heterocyclic tertiary N atom, e.g. using alkylating agents by heating in an inert organic solvent. The dyes give yellow, orange red, scarlet, violet, claret and brown shades on cellulosic fibres, e.g. cotton and synthetic fibres, e.g. P.V.C., polyacrylonitrile, polyamides, polyethylene terephthalates and polymers of asymmetric dicyanoethylene using dispersions of the dyes.
Patent GB-500528-A (GB)
Title: Improvements in and relating to masts for mounting wireless aerials on aircraft
IPC: H01Q1/28
Filed: 1938-07-21
Abstract: 500,528. Aerials. JUNKERS FLUGZEUG-UND MOTORENWERKE AKT.-GES. July 21, 1938, No. 21660. Convention date, July 21, 1937. [Class 40 (v)] A mast for mounting aerials on aircraft which is made of conductive material and is insulated from the aircraft body and from the aerial which it supports is adapted to serve as a rod aerial for apparatus other than that connected with the supported aerial. In Fig. 1 the aerial 3 is supported through insulators 5, 5<1> by the conductive mast 1 and the rudder pin 2 and is connected to the communication apparatus by the lead-in 4. The mast 1 in combination with the " sounding " frame 7 or dipole 8 forms the aerial system of an altitude " sounding " or landing apparatus. The mast 1 comprises a stream-lined metal tube 1 having a reinforcing sleeve 9 at its lower end, Fig. 2, mounted with the interposition of a weatherproof layer 10 in a cavity 11 in the insulator 6 which is secured to the frame 13 of the aircraft body. The lead-in 16 may be taken from the screen 12 securing the mast 1. A known form of mast is described in which the aerial is mounted on a hollow mast within which is arranged a rod aerial serving as part of the landing or " sounding " apparatus.
Patent GB-945053-A (GB)
Title: Improvements in and relating to fluid-pressure operated switchgear actuating mechanism
Inventor: WATSON JOHN ANSLEY
IPC: H01H33/30
Filed: 1959-06-24
Abstract: 945,053. Fluid actuation of switches. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. June 21, 1960 [June 24, 1959], No. 21698/59. Heading H2B. The fluid pressure actuating mechanism in a circuit-breaker comprises two double-acting jacks 4, 5, whose piston-rods 2, 3 engage a pin 1 with lost motion, the pin being connected directly, or indirectly, to a contact-operating mechanism. The pin has three stable positions which may correspond to the forward, neutral, reverse positions of a motor. In Fig. 1, the pin is in the forward position. Air is introduced at A to jack 4 causing rod 6 to move through a full stroke, during the latter half of which the pin is carried to the neutral position (Fig. 2, not shown). Introduction of air at C to jack 5 causes rod 7 to similarly move pin 1 to the reverse position, Fig. 3 (not shown). In Fig. 4, a coupling is shown between the pin 82, corresponding to pin 1 in Fig. 1, and the switch, which comprises two spring-biased rollers 77, 78 engaging in notches 75, 76 on a pair of toothed plates 74, the plates being fixed to lever 72 which is pivoted at O. The notches are so designed that the lever moves in an arcuate path about O and bending moments transverse the axis O are avoided. Specification 945,052 is referred to.
Patent GB-959907-A (GB)
Title: Improvements in or relating to the treatment of cellulose fibres
IPC: D21D1/30
Filed: 1962-06-05
Abstract: Cellulose fibres, obtained by a chemical and/or mechanical process, are treated with a solution of mono-, di- or tri-chloroacetic acid in a concentration of 0.3-1.0 moles per litre so as to form hydrocellulose on the surface of the fibres, and with a soda solution to convert the hydrocellulose into alkali cellulose, and, together with the acid, form a mucilaginous layer of carboxymethyl cellulose on the surface of the fibres. The acid treatment may precede, or be simultaneous with the soda treatment, and these treatments may be followed by conventional mechanical refining treatment.  The inter-fibre bonds in products made from the fibres, e.g. paper, is increased. In an example, 100 kg of pulp is treated for 20 minutes with 250 litres of a 75 g/l solution of monochloroacetic acid. 140 litres of a 150 g/l solution of NaOH are then added, and reaction allowed to continue for 15 minutes at 70-80 DEG C.
Patent GB-1175753-A (GB)
Title: Light-Sensitive Photographic Material with Increased Sensitivity to Light
Inventor: HELLMIG ERHARD
IPC: G03C1/46
Filed: 1967-05-10
Abstract: 1,175,753. Photographic silver halide double layer element. AGFA GEVAERT A.G. May 10, 1967 [May 12, 1966], No.21736/67. Heading G2C. A photographic double layer element consists of two supported light-sensitive silver halide emulsion layers, (i) the upper layer being more sensitive than the lower, having a maximum density of not more than 0À90, containing an amount of silver halide which is at least 60% by weight of the amount in the lower layer and having a characteristic curve of the same or a flatter slope than that of the lower layer, and (ii) the lower layer having a characteristic curve which is substantially straight and has a maximum density of at least 1À5. The top layer is preferably thinner than the lower layer and in the characteristic curves of the emulsions, log E of the shoulder of the top emulsion preferably coincides with log E of the threshold of the lower emulsion. Both emulsions may be panchromatically sensitized and the ratio of sensitivities of the two emulsions may be the same for blue, green and red light. The elements are useful for making colour separation records.
Patent GB-694473-A (GB)
Title: Vat dyestuff preparations and a process of producing the same
IPC: C09B67/28
Filed: 1951-09-17
Abstract: Finely-dispersed dyestuff preparations free of inorganic salts are made by precipitating the free leuco compounds from concentrated vats of vat dyes by acidification, separating the vat acids by filtration, treating the vat acids thus obtained together with non-flocculating dispersing agents in the form of viscous masses in a kneader, and producing from the kneaded mass paste or powder preparations by the addition or withdrawal of water.  In examples: (1) N : N1 - dihydro - 1,2,21,11 - anthraquinone azine and (2) the red vat dye of the formula: <FORM:0694473/IV (c)/1> are vatted with sodium hyposulphite and caustic soda in presence of the condensation product of naphthalene-b -sulphonic acid and formaldehyde, the vats are acidified with formic acid, and the free leuco compound is filtered off and kneaded with dextrine and sulphite cellulose waste liquor respectively.  The preparations may be used for dyeing regenerated cellulose, adding to viscose spinning solutions, and for printing colours.  Specifications 341,408, 355,363, and 358,439 are referred to.
Patent GB-320940-A (GB)
Title: Improvements in rotary pumps or the like
IPC: F04C2/34
Filed: 1928-07-27
Abstract: 320,940. Feuerheerd, E., and Malcolm J. A. July 27, 1928. Movable - abutment type; fixed-abutment type; discharge and suction pipes and passages for pumps; regulating; packing. -A rotary engine or the like comprises a pair of continuously revolving pistons which divide the working chamber and are caused to approach and recede from each other, the pistons being of such dimensions that parts of the perimeters thereof are always in working proximity. In the construction shown, sleeved pistons 8, 9 rock on pins 10, 11 fixed to an eccentric carrier or disc 5 and are of such dimensions as to have only a small clearance so that leakage is minimized due to the eddies set up by the opposite movement of the piston peripheries at this point. Filling blocks 6 are formed on the carrier disc 5 to improve the volumetric efficiency and, as shown in Fig. 9, they may be formed with passages 23 for the passage of the fluid to the inlet and discharge ports 21 in the casing end wall when registering therewith. The working space is formed by a recessed end cover 7 which may be adjustable to vary the relative eccentricity of the carrier by providing elongated bolt holes 20a for the attaching bolts 20. The pistons and casing may be clothed with resilient material.
Patent GB-745688-A (GB)
Title: Improvements in and relating to a brilliantine composition
Filed: 1953-08-10
Abstract: A brilliantine composition comprises colourless and odourless petroleum hydrocarbon oils of viscosity between 5 and 27,5 Engler units at 20 DEG C. and density between 0,85 and 0,89, gelled at elevated temperature by an aluminium, magnesium or lithium soap of an aliphatic fatty acid having a C16-C18 chain, the proportion of said soap ranging from 4 to 12 per cent by weight of the hydrocarbons, and a perfume or other odoriferous substance to mask any oily or other unpleasant odour of the material.  The brilliantine may be prepared by heating the hydrocarbon oils and soap to a temperature of 110-190 DEG C. until the mixture is transparent, cooling at a controlled rate so that the temperature drops from 120 DEG  to 50 DEG C. in one hour, and then adding the perfume.  The fatty acid may be unsaturated or saturated.  Small proportions of oils, fats, waxes such as lanolin, colouring agents, vitamins and antiseptics may also be added.  In an example paraffin oil is gelled at 130 DEG C. by aluminium stearate, conventional amounts of castor oil, perfume and vitamins being added.
Patent GB-592089-A (GB)
Title: Improved filtering apparatus
IPC: B01D29/00
Filed: 1944-11-08
Abstract: 592,089. Filters. BRIGGS CLARIFIER CO., and BRIGGS, S. W. Nov. 8, 1944, No. 22006. Convention date, Oct. 27, 1943. [Class 46] A filter comprises a chamber containing one or more tubular filter elements, each mounted on an apertured tube through which filtered liquid is discharged, the element being held against a flange on the tube by means which includes a rod extending into the tube and capable of axial movement relatively thereto and clamping means co-operating with the free end of the rod. In the construction shown, a cylindrical chamber 1 is provided with a bottom wall 2 and a false bottom 4 through which extend tubes 14 carrying cylindrical filter elements. Each tube 14 has a flange 16 supporting a filter element 17 which is separated from another element 17a by a disc 21. The two elements are clamped between the flange 16 and a plate 22 by means of a nut 20 screwed on the end of a rod 19. The rod extends through an apertured plug 18 secured to the tube 14 and at its lower end is secured to a plunger 31 provided with a slot 32. A pin 33 extends transversely through the slot and through the tube 14. A coil spring 34 between the plug 18 and the plunger 31 urges the rod 19 toward the tube 14. Liquid to be filtered enters the chamber 1 through inlet 13 and after passing through the filter elements enters the tubes 14 through perforations 24 and is discharged through perforations 25 and an outlet 6. Sludge is removed through an outlet 7. The filter elements consist each of an inner tubular portion 27 of cellulosic filtering material, an intermediate portion 28 of bauxite or similar material and an outer portion 29 of cellulosic material. Each element may be reinforced by an inner tube of perforated metal and may be encased in an open mesh fabric.
Patent GB-276984-A (GB)
Title: Improvements in and relating to methods of and apparatus for connecting machines or circuits in parallel
IPC: H02J3/42
Filed: 1927-08-22
Abstract: 276,984. International General Electric Co., Inc., (Assignees of Allgemeine Elektricit´ts C'es.). Aug. 31, 192,6, [Convention date]. Phase-differences, measuring.-In a phase-indicating device of the induction type for parallelling alternators, the winding 2 of each system that excites the magnetic circuit of lower permeability is connected in series with the coil 1 of the other system that excites the magnetic circuit of greater permeability. An indicator is fixed on the movable system 3, the motion of which is opposed by a spring &c. The central position of the indicator corresponds both to phase coincidence and phase opposition of the two circuits to be connected. In order to enable these two conditions to be distinguished, the indicator is arranged behind a sheet, of ground glass illuminated from behind by a lamp 4 which is connected to the secondary winding of a transformer 5 having two primary windings so connected that with phase coincidence the fluxes are in opposition and therefore traverse the central limb. The indicator is therefore only visible during that half of the surging period during which phase coincidence falls.
Patent GB-1174006-A (GB)
Title: Improvements in or relating to Temporary Binders
Inventor: LEVESLEY PHILIP STACEY
IPC: B42F11/02
Filed: 1967-05-12
Abstract: 1,174,006. Filing papers. P. S. LEVESLEY. 12 Aug., 1968 [12 May, 1967], No. 22138/67. Heading B6E. An adapter for permitting catalogues, magazines and like publications to be retained in a temporary binder of the kind having rings, prongs or like means adapted to engage perforations in a document to be bound, comprises a closed or closable loop for engaging the fold of the publication, and a member attached to or integral with the loop and formed with eyes adapted to pass over the rings, prongs or like engaging means of the binder. The adapter comprises a loop 5 formed of wire, which may be closed (Fig. 1, not shown) or closable by means of a releasable fastening 12, eyes 6 being fixed to the wire as shown or formed by twisting the wire (Fig. 1). In a modification, at least one closed wire loop is hingeably attached to a perforated plate (Fig. 3, not shown).
Patent GB-501570-A (GB)
Title: Improvements in or relating to tobacco feeding apparatus for cigar making machines
IPC: A24C1/02
Filed: 1938-07-26
Abstract: 501,570. Cigar - making machines. MJLLER, J. C. July 26, 1938, No. 22186. Convention date, Aug. 26, 1937. [Class 130] When a blocking member, provided at the delivery end of a-jig conveyer, is in a position to restrict the tobacco feed to a cigar-making machine, the member follows the movements of the conveyer. As shown, tobacco is fed by a hopper 13 on to a jig conveyer 1, which is mounted on a support 6, attached by arms 7 'to crank-pins 8, mounted on shafts 9, rotated through gearing 10, 11. Above the conveyer is a blocking member formed by a plate 64, which is of less width than the width of the channel'formed by the side walls 3, 4 of the conveyer and which is hinged to the hopper and inclined downwardly towards the delivery end of the conveyer. The plate is normally prevented from moving towards the conveyer by the engagement of a finger. 62 with a stop 63 on the plate. The conveyer has toothed grooves 2 across which the tobacco is delivered into a conduit 15 containing a flap 16. After a cam-actuated link 30 has rotated a stopper 28 to uncover an opening 26 in a chamber 27, the flap 16 is lowered by a bell-crank 20 actuated by a cam 23 to permit the tobacco accumulated on the flap to fall into the chamber 27. When the flap and stopper have been returned to the positions shown, a plunger 31 is advanced resiliently, by a link 35 connected to a bellcrank 37 actuated by a spring 39, to compress the tobacco in the chamber 27 and the portion forced into the chamber 32 is severed by a knife 33. As the plunger moves forward, a slotted bar 43 moves a roller 48 beneath a cam 50 on a lever 49 connected to a bell-crank 52, to prevent a cam 56 releasing the finger 62 holding the plate 64. Normally, the conveyer delivers a slight excess of tobacco into the conduit 15, and when an excess has accumulated in the chamber 27, the movement of the plunger 31 is arrested before the roller 48 engages the cam 50. The cam 56 then actuates the bell-crank 52 to release the finger 62, and the plate 64 moves by gravity or under the action of springs or weights, to restrict the supply of tobacco.
Patent GB-359897-A (GB)
Title: Improvements in the finishing of textiles
IPC: D06M15/507
Filed: 1930-07-23
Abstract: Textile materials are treated with aqueous solutions of polyhydric alcohol-polybasic acid condensation products, such as the ammonium and alkali compounds of glycerol-phthalic anhydride resins described in Specifications 356,738 and 358,095, and the resin is then fixed on the material by drying or treatment with acid, or by treatment with metal salts as described in Specification 357,125.  The treatment with the aqueous resin solution may be effected in a mangling machine, by a dipping process, by surface coating, or locally by printing; other finishes such as starch, casein, &c., or dyestuffs, pigments, fillers, &c., may be present.  According to examples: (1) Black cotton cloth is immersed in a solution of the product described in example 4 of Specification 356,738, wrung and dried; the product has a linen handle and may be Schreiner finished.  (2) Cotton is given a woollen handle by treatment with a solution of the product described in example 7 of Specification 356,738, followed by drying. (3) A condensation product prepared from glycerol, phthalic anhydride, and stearic acid, is dissolved in aqueous ammonia, cotton cloth is immersed in the solution, followed by treatment with aluminium sulphate solution and drying; the product has high resistance to water.  (4) A pile fabric (velvet, carpet, &c.) is stiffened by coating the back with a mixed solution of the products described in examples 4 and 5 of Specification 356,738, followed by drying.  (5) A bookbinding cloth is obtained by coating cotton fabric one or more times with a mixture of the solution referred to in example 4 with china clay and pigment, e.g. monopile Red C drying, and finally coating with the solution containing the filler or pigment, drying, and calendering.  (6) Viscose or acetate silk material is delustred by treatment as described in example 4.
Patent GB-1451563-A (GB)
Title: Cathoderay tubes electrical network protection device
IPC: H01J9/42
Filed: 1974-05-18
Abstract: 1451563 Cathode ray tubes FERRANTI Ltd 8 May 1975 [18 May 1974] 22264/74 Heading HID To prevent the impact of secondary electrons on the end-face 13 of a c.r.t. when the beam is deflected on to the side wall 11 of the tube, e.g. while testing cathode emission by measuring maximum beam current, the inner surface of the wall at least in the impact area is formed with or carries a series of baffles taking the form of e.g. prismatic parallel grooves, possibly in a helix, substantially parallel to the end-face and each having a face 16 parallel to the end-face and facing electron source 18 and a second face 17 in line with the electron source. End-face 13 and walls are coated with conductor 14, e.g. Al to return the beam current, the grooves being ground or otherwise formed deeper than the coating thickness.
Patent GB-484766-A (GB)
Title: Improvements in or relating to valves or cocks
IPC: F24D19/08
Filed: 1937-08-13
Abstract: 484,766. Radiators for heating buildings. YOUNGMAN, Ltd., W. C., and TRUMP, H. S. Aug. 13, 1937, No. 22336. [Class 64 (ii)] [Also in Groups XXIX and XIV] An air-release valve for hot-water radiators and other apparatus, comprises a ported conical plug c, Fig. 1, or cylindrical plug c<1>, Fig. 5, which is held within a ported boss b formed integral within, or screwed into, the radiator, by a collar g screwed into the boss. The plug and the collar are rotatable independently, and no portion projects beyond the outer surface of the radiator. The device may bear marks indicating the open and closed positions.
Patent GB-1174948-A (GB)
Title: Improvements in or relating to Tube Couplings
IPC: F16L47/04
Filed: 1966-08-08
Abstract: 1,174,948. Pipe couplings. QUICKFIT & QUARTZ Ltd. and W. J. CLARKE. 15 May, 1967 [8 Aug., 1966], No. 22341/67. Divided out of 1,138,177. Heading F2G. A coupling, for example, for connecting a glass tube 3 to a flask 1, includes a moulded collar 18 of plastics material, e.g. polypropylene, consisting of two semicircular portions hinged together by a thin bridge and having opposed unconnected ends extending lengthwise of the collar, each of the portions being provided with a screw-thread 10, and a cap 13 having open ends and an internal screw-thread complementary to that of the collar portions. As shown, the flask and tube have complementary conical portions 4, 5 and the cap, when screwed on to the collar, causes a rubber washer 19 to engage a projection 6 on the tube 3.
Patent GB-444000-A (GB)
Title: Improvements in and relating to induction furnaces
IPC: H05B6/24
Filed: 1935-08-07
Abstract: 444,000. Electric induction furnaces. SIEMENS & HALSKE AKT.-GES., Siemensstadt, Berlin. Aug. 7, 1935, No. 22352. Convention date, Aug. 9, 1934. [Class 39 (iii)] An induction furnace has two energizing systems, the inner one comprising a coil 4 and the outer comprising an annular iron yoke 8 extending, around the furnace and formed of laminations lying in planes transverse to the axis of the furnace, the yoke being provided with poles 5 and energizing coils 9. The coil 4 may be supplied with high frequency current and serve as the heating coil of the furnace, while the coils 9 may be supplied with low frequency current and serve to agitate the charge in the furnace. The turns of coil 4 are displaced to allow the polepieces 5 to pass through the coil. A screening device such as a copper ring is arranged between the coil 4 and the poles 5 if the latter are unsymmetrically arranged with respect to the coil.
Patent GB-276686-A (GB)
Title: Improvements in electric switches
IPC: H01H19/00
Filed: 1927-08-26
Abstract: 276,686. Weber, E. Aug. 26, 1926, [Convention date]. Plug couplings combined with electric switches. A rotary milled switchoperating member 4 projects through a rectangular slot in the cover 2, the member 4 being mounted loosely upon the rotary switch shaft 3. A spiral spring 11 is interposed between the member 11 and the shaft 3, the amount of lost motion during switch operation being limited by a projection 12 of the shaft working in a segmental slot 13 in the operating member (Fig. 4). The shaft 3 carries two pairs of diametrically-interconnected insulated contact plates 14 bridging pairs of fixed contacts 9 twice during a revolution spring blade 5 engaging the square side 3<1> of the shaft to hold the switch in its on or off position. The shaft 3 is journaled in plates 6 held in recesses of the insulating base 1. The switch base is fitted with plug sockets 8 one of which is joined electrically to a pair of the fixed contacts 9.
Patent GB-643244-A (GB)
Title: Clothes peg
IPC: D06F55/00
Filed: 1948-08-26
Abstract: 643,244. Clothes pegs. SUTCLIFFE MOULDED RUBBER CO., Ltd., and GLOVER, A. Aug. 26, 1948, No. 22528. [Class 44] A one-piece clothes peg of rubber or other elastic material formed by moulding comprises two jaws of which the meeting surfaces b, b' are serrated or undulated, the crests of the undulations on one jaw fitting into the troughs on the other. The serrations terminate in a perforation c which engages the clothes line, and two outwardly curved finger grips d, d<1> serve to open the jaws.