baber/WOPTO huggingface dataset:
Patent GB-538338-A (GB)
Title: Improved manufacture of artificial filaments, films or the like
IPC: C21B5/00
Filed: 1939-02-07
Abstract: 538,338. Artificial filaments; films &c. BERGH, J. VAN DER., MILO, G. J., and DIJK, H. E. P. VAN. Feb. 7, 1939, No. 4039. Convention date, Feb. 7, 1938. [Class 2 (ii)] Filaments, films; or the like are obtained from solutions of keratinous materials containing an addition of an aldehyde, urea, or a thiocyanate which substances are capable of forming condensation products with the keratin, or an addition of a substance capable of forming a resinous polymerization product, or two or more substances capable of forming a resinous condensation product with each other. If desired, one of the synthetic resin components may be added to the spinning solution and the other may be added to the bath. The spinning solutions may be obtained by dissolving keratinous materials in alkali sulphide solutions, caustic alkali solutions, or ammoniacal copper oxide solutions. Urea or phenol together with formaldehyde or other aldehyde may be used as synthetic resin components. Vinyl compounds may be used as substances capable of forming resinous polymerization products. In an example, formalin is added to a solution of ground hooves in sodium sulphide and the solution is spun into a solution of sulphuric acid and sodium and ammonium sulphates. In another example, allyl alcohol is added to the keratinous solution. The keratin solutions may be mixed with cellulosic solutions, e.g. viscose or cuprammonium cellulose solutions. The filaments obtained may be hardened by treatment with formaldehyde, or alum. The Specification as open to inspection under Sect. 91 comprises also a process wherein the aldehyde or other additional substance is added not to the spinning solution but to the spinning bath. This subject-matter does not appear in the Specification as accepted.
Patent GB-783551-A (GB)
Title: Improvements in or relating to electrical capacitors
Inventor: ROBINSON FREDERICK CHETHAM
IPC: H01G9/00
Filed: 1955-02-10
Abstract: 783,551. Electrolytic capacitors. HUNT (CAPACITORS), Ltd., A. H. Feb. 10, 1956 [Feb. 10, 1955], No. 4042/55. Drawings to Specification. Class 37. A close wound, flattened spiral, electrolyte capacitor, having metallic foil electrodes interleaved with absorbent paper, is cooled by making one electrode strip extend beyond the other to make thermal contact with opposite walls of a rectangular metal can. The connecting strips are brought out from the outer ends of the electrode strips tangentially to the spiral, but connection to the wider electrode (normally the cathode) may alternatively be made via the can.
Patent GB-554056-A (GB)
Title: Improvements in or relating to telephone ringers
IPC: G10K1/062
Filed: 1942-03-27
Abstract: 554,056. Transformers. STANDARD TELEPHONES & CABLES, Ltd. March 27, 1942, No. 4073. Convention date, Oct. 22, 1940. [Class 38 (ii)] [Also in Group XXXVIII] In a telephone bell, a rocking armature is mounted to move between the pole faces of a stationary electromagnet and carries a clapper which strikes a gong forming a housing for the whole..In the form shown, the armature, Fig. 8, comprises a permanent magnet 50 to which are secured pole-shoes 51 and an arm 52 carrying a clapper 61. The armature is mounted to rock between the laminated stator poles 14, 15, Fig. 4, of an electromagnet by means of pivots secured to it and joumalled in bearings in front and rear plates bridging the pole pieces. The armature is biased by a spring 63 towards a position in which the axis of the magnet 50 is perpendicular to the line joining the centres of the poles 14, 15, and is tuned by the spring to a natural oscillation frequency equal to that of the alternating current supplied to the field coils 16, 17. The stroke of the clapper may be varied by adjustment of a pivoted cam 40 which forms a stop engaged by a lug 58 on the clapper arm. The clapper strikes a stiff reed 66 secured to the gong and the loudness of the sound may be varied by slight rotation of the gong to alter the point at which the reed is struck. The stator poles 14, 15 are formed by lateral extensions from rectangular laminations constituting, together with a centre portion 70, shown in Fig. 6, which carries the windings, the core of the telephone transformer. The core portion 70 is formed with two longer laminations at one face to provide lugs by which it is attached to the upper and lower limbs of the rectangular portion. The whole assemblage is secured in the gong, which is of a squared form, by a single central screw (not shown).
Patent GB-509334-A (GB)
Title: Improvements in the manufacture and production of nitrogenous products
IPC: C08G73/02
Filed: 1938-02-09
Abstract: 509,334. Mustard oil derivatives; waterproofing. 1. G. FARBENINDUSTRIE AKT.-GES., and JOHNSON, G. W. Feb. 9, 1938, No. 4082. Addition to 466,344. [Classes 2 (iii) and 15 (ii)] [Also in Group VIII] 1 : 2-Alkyleneimines or their polymerization products are reacted with aliphatic (other than allyl) isothiocyanic acid esters. The products have similar properties to those of the products of the parent Specification. In an example, polymeric ethyleneimine is heated with butylmustard .oil. The product renders fibrous materials water-repelling. Methyl, propyl, isobutyl and octyl mustard oils are specified.
Patent GB-114199-A (GB)
Title: Improvements in Wall Constructions and Bricks therefor.
Inventor: FISKE JONATHAN PARKER BROWN
IPC: E04B2/02
Filed: 1917-03-22
Abstract: 114,199. Fiske, J. P. B. March 22, 1917. Walls of the sections shown in Figs. 2, 4, and 6 are made of bricks of the form shown consisting of a body part 1 with facing flanges 2 on one side thereof and one or a pair of projecting ribs 3 on the other side, the depth of the ribs 3 being equal to that of the facing flanges, so that the facing flanges may be sealed by means of mortar to the bricks below while the ribs 3 may be sealed to the body of the bricks above. Figs. 2 and 4 show the walls provided with two longitudinal air spaces separated, in one case by a rib 3, Fig. 2, and mortar 6, and in the other case by the two ribs 3, Fig. 4, the space between which is filled with mortar. In the arrangement shonvn in Fig. 6, the wall has a central air space between the ribs 3, one or both of the spaces between the ribs of one brick and the flanges of another being filled with mortar as shown.
Patent GB-954599-A (GB)
Title: Masking sheet material
IPC: C09J7/21
Filed: 1962-02-05
Abstract: 954,599. Masking sheet material. DAUBERT CHEMICAL CO. Feb. 5, 1962 [June 14, 1961], No. 4414/62. Heading B2E. A masking sheet material comprises a sheet of flexible material 10, 10<SP>1</SP> having a layer 11, 11<SP>1</SP> of a pressure-sensitive adhesive on only one side thereof and along one or both longitudinal edges thereof, the width of the adhesive layer or layers being a minor fraction of the width of the sheet, and a release coating 13, 13<SP>1</SP> on the opposite side and along the same longitudinal edge or edges of the sheet, the width of the release coating being not less than the width of the adhesive layer or layers but still a minor fraction of the width of the sheet. The sheet may be of sulphite or kraft paper impregnated with a resinous or rubbery polymer, e.g. rubber or synthetic rubber latex, neoprene, copolymers of butadiene with styrene isobutylene, methyl methacrylate, acrylic nitrile and alpha methacrylic nitrile, fluorochemical materials, chromium stearic acid complex, and ketene dimers. The release coating may comprise any suitable silicone based material. The pressure-sensitive adhesive may lie along only one longitudinal edge of the sheet and the release coating may lie along the same longitudinal edge but on the opposite side of the sheet. The width of the impregnation 12, 12<SP>1</SP> with the polymer may be substantially that of the adhesive layer. The sheet material, which may take the form of a roll comprising a plurality of convolutions, may contain from 8 to 9 pounds of polymer solids per ream. The width of the sheet material may be from 6 to 36 inches and the width of the individual adhesive layer or layers is from three-eighths to five-eighths of an inch.
Patent GB-656255-A (GB)
Title: Improvements in or relating to mercury arc rectifiers
IPC: H02M7/06
Filed: 1948-02-16
Abstract: 656,255. Rectifying. MASCHINENFABRIK OERLIKON. Feb. 16, 1948, No. 4514. Convention date, March 19, 1947. Drawings to Specification. [Class 38 (ii)] A heavy current mercury arc rectifier system having a triple single phase push-pull wave connection has the main rectifier transformer star connected on the primary side with the iron circuit of each phase having an independent magnetic return path so as to increase the utilization of each anode for more than 180 degrees electric. The independent magnetic return path of each phase comprises a leakage path which may be through air or through an iron keeper placed between the yokes to ensure that the lines of force of any one phase do not link with any other phase. The rectifier transformer may comprise one three-phase transformer or three single-phase transformers appropriately connected.
Patent GB-745380-A (GB)
Title: A new or improved method and apparatus for joining metal sheets
IPC: B21D39/03
Filed: 1953-02-18
Abstract: 745,380. Riveted joints; punches. VICTAULIC CO., Ltd., and BENNETT, K. J. May 17, 1954 [Feb. 18, 1953], No. 4569/53. Class 83 (4). A method of securing together two or more layers of sheet metal is characterized in that the layers are superimposed and a hole is pireced through the superimposed layers so that the displaced metal of the layers projects from the margins of the hole on one face of the assembly and this displaced metal is bent over outwardly and pressed against that face of the assembly to clamp the layers together. A tool for carrying out the method comprises a fixed jaw member 1 integral with a hand lever 2 and a sliding jaw 3 whose shank 4 and supporting stem 5 are slidable on the fixed jaw. A second hand lever 6 has a perpendicularly projecting arm 7 pivoted to the lever 2 and shank 4. The two levers are biased apart by a spring 8. Secured in a recess in the jaw is a plunger 9 having a wedge-shaped cutting edge which co-operates with a die on the fixed jaw 1 formed by an enlargement on the upper end of the bore of a tubular spring- loaded sleeve 10 slidable on a post 11. Longitudinally slidable in a groove in the shank 4 is a member 14 which has a projection 15 at its lower end and an arm at its upper end carrying a stripping plate 17. In operation two or more layers 18 placed on the die platform 12 are pierced by the plunger 9 and the displaced metal tabs are curled under by the plunger as shown in Fig. 2. When the enlarged end 19 of the plunger engages the uppermost metal layer the sleeve 10 is forced down and the curled tabs are clamped to the under surface of the layers by pressure between the end of the post 11 and the enlarged end 19 of the plunger. On releasing the pressure of the hand levers the plunger 9 is lifted out of the die and a leaf spring 23 lifts the member 14 with the sliding jaw 3 until the projection 15 engages the jaw 1 whereupon the joined layers are stripped from the plunger. In an embodiment a metal label 20 is bent around a bolt 21 on a pipe coupling and secured as shown in Fig. 3.
Patent GB-299247-A (GB)
Title: Improvements in electrical measuring instruments
IPC: G01R1/16
Filed: 1928-02-14
Abstract: 299,247. Good, W. B. Feb. 14, 1928. Electromagnetic current and pressure meters.-The two pole-pieces a' are connected by strips of brass, spelter, soft solder, white metal, or other non-magnetic alloy m, the tunnel c' between the pole-pieces being afterwards drilled so as to cut into the non-magnetic metal. The pairs of pole-pieces may be formed from a solid bar of iron having grooves b on opposite sides, which are filled in with non- magnetic metal m, the bar afterwards being cut into the required lengths and the tunnel c<1> being drilled in each pair. Alternatively, each polepiece may consist of a bar of metal having three sides at right-angles, a segmental groove on the fourth side, and sloping faces b to take a wedgeshaped projection on a non-magnetic strip joining the pole-pieces. The grooves are of less diameter than the tunnel, which is afterwards drilled out. The lengths of iron h forming the cores are centred at each end at i and are formed with grooves j on opposite sides, in each of which grooves are drilled three holes. The end holes are fitted with pins or screws k, the outer ends of which are ground off whilst the core is rotated between centres, so that the pins k fit the inner faces of the non-magnetic blocks m, or into grooves therein. The central holes are screwthreaded to receive screws o passing through the blocks m. Bridge-pieces p of non-conducting material are fastened by screws r screwing into tubular or bored screws which screw into the pole-pieces. The pole-pieces are attached to the magnet of screws engaging threaded poles s.
Patent GB-162440-A (GB)
Title: Improvements relating to the drawing rollers of machinery used in the production of yarns or threads of fibrous substances
IPC: D01H5/48
Filed: 1920-02-17
Abstract: 162,440. Mylchreest, T. G., and Benson, A. L. Feb. 17,1920. Rollers.-The weight hook or hanger of the upper drawing-roller of machines such as draw. ing, roving, and like frames is slotted to accommodate the arm 2<a> of a bearing 2 which, in order to relieve the arbor of the roller of the weight, is turned by the arm 2<a> and pivots about the part 5b of the hook, without leaving the arbor. The lower part 5d of the hook is provided with projections g so as to prevent disengagement from the eyebolt 6 when the weight is relieved. The eyebolt may be formed with an enlarged part 6<a>, Fig. 5, to facilitate the engaging of the hook therewith. The handle is provided with an oilduct 2d for the bearing and with a pin 2b to limit its movement. In the Provisional Specification it is stated that the weight hook may be formed in the ordinary manner and a cross-pin inserted in the hook or eye-bolt to prevent disengagement.
Patent GB-267686-A (GB)
Title: Improvements in syphonic control fluid supply systems
IPC: E03D1/12
Filed: 1926-02-19
Abstract: 267,686. Gayfer, C. J. Feb. 19, 1926. Siphons.-An air release valve for a liquid-sealed siphon comprises a conical plug 8 pressed against a seating 9 by a spring diaphragm 10.
Patent GB-1434185-A (GB)
Title: Electrolytic cells and methods of operating them
IPC: C25B1/46
Filed: 1975-02-04
Abstract: 1434185 Nickel and nickel oxide curing agents ELECTRONOR CORP 4 Feb 1975 [3 April 1974] 4762/75 Heading C3E [Also in Division C7] The conventional zinc and magnesium oxide filling and curing agents in chlorinated rubber or neoprene compositions are replaced by a mixture of powdered Ni and nickelous oxide, which have the same function. From 25-15% of the mixture is used at a Ni : oxide ratio of 3 : 1 to 1 : 1. The composition is useful as a corrosion-preventing seal or gasket in electrolytic cells (see Division C7) and may contain other conventional additives.
Patent GB-1416118-A (GB)
Title: Scanning control arrangement for a telecine system using a flying spot cathode-ray tube
IPC: H04N3/36
Filed: 1974-02-01
Abstract: 1416118 Film scanning THOMSON-CSF 1 Feb 1974 [2 Feb 1973] 04891/74 Heading H4F To ensure correct vertical deflection of a flying-spot cathode-ray tube (Fig. 1) which scans a continuously moving film travelling vertically in a gate 5 a beam-splitting mirror 4 directs some of the scanning light on to a target 7 carrying marker zones which via a photo-electric pick-up device 9, provide signals indicative of the vertical position of each scanned line such signals being employed in a control circuit 10 supplied with the vertical rate sawtooth from source 11 to produce correction signals for the vertical deflection of tube 1. The control circuit is described with reference to Fig. 3 (not shown). Fig. 2 shows (in a plane perpendicular to the plane of Fig. 1) one embodiment of the target 7 which comprises two identical portions 7a, 7b, corresponding to respective " fields " 5a, 5b on the film (Fig. 1) each portion consisting of (as shown for portion 7a) a " vertical " transparent slot 71 and an oblique transparent slot 72. In operation, as the beam scans across the target 7 a pair of pulses is produced for each line scan the interval between which is indicative of the vertical position of such line and the control circuit, using the actual vertical sweep supplied to the tube 1 as a reference, produces the required correction signals. In a modification the target may consist of horizontal arrays of opaque and transparent portions arranged at the side of the film gate to produce, at each line scan, a digital representation of the vertical position of each line (Figs. 4 to 6, none shown).  In Fig. 1, the mirror 3 is tripped between fixed positions M1, M2 during successive field retrace intervals when anamorphotic scanning is employed. When non-anamorphotic scanning is employed the mirror has a continuous motion from position M1 to position M2 during trace intervals and is returned to position M1 during retrace intervals. For reasons of clarity, the images of the raster produced by tube 1 are shown at T1, T2 and R1, R2 spatially remote from their true positions in the plane of the film 5a, 5b and in the plane of the target 7a, 7b respectively. The tube 1 may be operated with an interlaced or a non-interlaced raster.
Patent GB-288412-A (GB)
Title: Drift correcting compass for use on aircraft
IPC: G01C17/00
Filed: 1927-02-22
Abstract: 288,412. Blagden, W. M., and Fryer, W. G. Feb. 22, 1927. Acronautical compasses.-A compass for use on aircraft to enable a given course to be steered in relation to the ground has a transparent base through which the ground can be observed and a system of sighting wires or vanes which can be adjusted in relation to the magnet according to the course to be followed. The magnet a is supported on a pivot in the compass bowl which is provided with an azimuth scale h and the wires b are connected frictionally with the magnets by a spring c. For adjusting the wires, a toothed wheel d can, by depressing a knob i be brought into engagement with a similar wheel on the pivot cup. The spindle of the wheel d passes through a square-section rod f having a projection g which makes contact with a similar projection on the boss carrying the wires when the wires are pointing to the zero of the scale h. To set the wires, the knob i is depressed and turned until the two projections engage. It is then further turned until the north pointer of the magnets is opposite the desired course in the scale h. The knob is then released and the compass is used by observing objects on the ground through the transparent base and steering the craft so that the apparent direction of movement of such objects is along or parallel to, the wires b. Specification 12442/11 is referred to.
Patent GB-114313-A (GB)
Title: Method of Determining the Quantity of Steam Flowing through a Pipe.
IPC: G01F1/704
Filed: 1918-03-20
Abstract: 114,313. Deutsche Gasgluhlicht Akt.- Ges. (Auer. Ges.). March 20, 1917, [Convention date]. Steam meters.-A process for measuring the flow of steam in a pipe by introducing gas or vapour at a known speed and determining the proportion of gas to steam in the mixture by tapping off a portion of the mixture and determining the proportion of steam therein is modified by employing a gas such as air which is not sufficiently soluble in the steam to prevent the proportion of gas to steam being determined by volumetric determination. In carrying out the process, air is forced by a pump through a gas meter and thence into the steam pipe. A proportion of the mixed steam and air are passed through a branch pipe, the steam is condensed and measured, and the air is led into a graduated receptacle. To correct for foul air or gas dissolved in the steam, the proportion of air in the steam may be determined at a point in front of the air inlet.
Patent GB-622511-A (GB)
Title: Improvements in and relating to aqueous emulsions, latices, or dispersions of polymers and interpolymers of vinyl chloride
IPC: C08J3/215
Filed: 1947-02-21
Abstract: Aqueous dispersions are prepared by mixing an aqueous solution containing an electrolyte stabilizer and an emulsifying agent, whose activity is not destroyed by the stabilizer, with an aqueous dispersion of one or more polymers and/or copolymers of vinyl chloride.  Examples of stabilizers are sodium carbonate, potassium bicarbonate, sodium percarbonate, borates, phosphates, nitrates, nitrites, sodium bromate, chlorate, sulphide and acetate.  These are present preferably in amounts of 0.1 to 1.0 per cent by weight of the polymeric material.  Suitable emulsifying agents, which are preferably present in amounts within the same range, are sulphonation or sulphation products of long chain hydrocarbons, naphthalene-formaldehyde condensation products and castor oil, and soluble salts thereof; the ammonium salt of sulphated oleic acid; the sodium salt of sulphated methyl oleate; and alkylated naphthalene sulphonates.  Certain other heat stabilizers, e.g. monophenyl urea and thiourea, may be added to the dispersions. The solid polymeric material, which may be isolated by coagulation or spray drying, may also be further stabilized by milling with, for example, aniline, urea, phenyl urea, urea oxalate, nitrate and hydroperoxide, thiourea, allyl, phenyl, diphenyl and ditolyl thioureas, benzylidene aniline and triethanolamine.  The compositions may be used for pastes, coatings, e.g. in leathercloth, extrusion and for the production of plasticized or unplasticized sheets and other articles by moulding. Copolymers which may be employed are those of vinyl chloride with other ethylenically unsaturated compounds, e.g. vinylidene chloride, vinyl acetate, methyl methacrylate, ethyl alpha - chloroacrylate, acrylonitrile, styrene, diethyl fumarate and diethyl maleate.