baber/WOPTO huggingface dataset:
Patent GB-1099187-A (GB)
Title: A method of making phenol-resorcinol-formaldehyde resins
IPC: C09J161/06
Filed: 1965-06-03
Abstract: A soluble, fusible phenol-resorcinol-formaldehyde resin, characterized by infinite dilutability and comprising 50-95 moles phenol with 5-50 moles resorcinol per 100 moles of total phenol and resorcinol and 0.55-0.75 moles of formaldehyde for each mole total phenol and resorcinol is prepared by (a) reacting the phenol with all of the formaldehyde at an initial pH of 8.5-9.0 and in the presence of an alkali metal sulphite catalyst in an amount of 0.04 to 0.09 moles per mole of formaldehyde, (b) heating the reaction mixture to reflux and adding the resorcinol after the reaction mixture has reached a viscosity of 1.25 poises in a manner such that at least 25% by weight of resorcinol is added when the viscosity has advanced to at least 4.7, and (c) continuing refluxing until the resin has a constant viscosity of 22.7 to 46.3 poises.  The resin may be used as an adhesive by diluting it with water and/or a water-miscible solvent to give a solution having a solids content of 40-60% by weight and a viscosity of 3.4 to 4.3 poises and this solution is then mixed with e.g. paraformaldehyde at a pH of 7.5 to 9.1 along with fillers and extenders.  Sodium sulphite is the preferred sulphite but potassium and lithium sulphites may also be used. Conventional fillers and extenders such as walnut shell flour, wood flour, bark flour asbestos and cellulosic fibres may be used in the adhesive compositions which suitably contain a mixed solvent of ethylene glycol, methanol or ethanol and water.
Patent GB-1391552-A (GB)
Title: Temperature responsive devices
IPC: F02C9/32
Filed: 1972-05-22
Abstract: 1391552 Gas turbine engine fuel systems GENERAL ELECTRIC CO 22 May 1972 [21 June 1971] 23984/72 Heading F1G [Also in Divisions G1 and G3] A system for controlling the supply of fuel to, for example, a gas turbine engine in response to temperature at the air inlet of the engine comprises a pivotally mounted lever arm 30 which is positionally adjusted in accordance with the temperature sensed by a bulb 22 positioned in the air inlet, the lever arm 30 providing a control on the position of a piston 46 in a chamber 44 whereby the piston 46 actuates, by way of a rod 60, a fuel metering valve and also, by way of a rod 62, a lever 66 which is connected by resilient means 72 to the lever arm 30 and acts to urge the lever arm 30 towards its median position where the pressures on both sides of the piston are balanced. As shown, the lever arm 30 forms part of a flapper valve arrangement such that fuel entering the chamber 44 by way of an inlet port 47 and orifices 48, 48 will exit through conduits 50, 52 at rates depending on the temperature sensed by the bulb 22 and hence the position of the lever arm 30. Any difference in the rates will cause a difference in pressures on opposite sides of the piston 46. The piston 46 will therefore move to actuate the fuel metering valve through the rod 60, to re-position the lever arm 30 by way of the lever 66 and resilient means 72 and thereby eliminate the difference in pressures and difference in rates, the fuel being directed out of the fuel control system 10 by way of an outlet port 54. In an alternative embodiment Fig.2 (not shown), the lever arm constitutes a jet pipe along which fuel is passed from an inlet (96) to an outlet (94) the outlet (94) directing the fuel on to a pair of conduits (102, 104) leading to opposite ends of the chamber (44') in which the piston (46') is mounted. As in the previous arrangement the piston (46') is caused to move when the lever arm is rotated from a median position in accordance with the temperature sensed by a bulb 22' so that a fuel metering device is adjusted and the lever arm is restored to its median position.
Patent GB-200786-A (GB)
Title: Improvements in magnets for controlling apparatus on trains
IPC: B61L3/12
Filed: 1922-09-05
Abstract: 200,786. National Safety Appliance Co., (Assignees of Folker, H. S.). July 14, 1922, [Convention date]. Electromagnets.-Bars 10, Fig. 3, of magnetic material, connected by alternate permanent magnets 16 and electromagnets 28 are placed between and parallel to railway track rails and act inductively upon traincarried apparatus. Under danger track conditions the electromagnets 28 are de-energized and the permanent magnets 16 cause the members 10 to have opposite polarity. Under clear track conditions the electromagnets are energized to an extent controlled by a variable resistance 44 so as to neutralize the effect of the magnets 16. The magnets 16 may be compound, and are held by bolts 26 passing through a yoke 24, Fig. 4, supporting a casing 49, both the yoke and casing being preferably non-magnetic. The electromagnet cores 34 are held in highly permeable poles 36 spaced by non-magnetic packing 39 from the bars 10 and held by non-magnetic bolts 38. so that by adjusting the thickness of the packing 39, the effect of the magnets 28 may be varied. The windings 40 are surrounded by an insulating compound contained in an hermetically sealed chamber 54, and are connected in series.
Patent GB-337813-A (GB)
Title: Improvements in mordanting, weighting, and dyeing
IPC: D06M11/83
Filed: 1929-08-07
Abstract: 337,813. British Celanese, Ltd., Dickie, W. A., and Hill, F. B. Aug. 7, 1929. Bronzing.- Textile materials and films and like materials are treated with a stream of particles of metal moving at a high speed, the metal being then partly oxidized on the material, if it is not oxidized during its passage thereto. A Schoop metallizing apparatus may be used, and the amount of oxygen supplied to the apparatus may be increased so that the metal is partly oxidized in transit. The metal may be applied intermittently or in a pattern or over the whole of the material. Suitable metals are aluminium, tin, and zinc, and alloys of these metals with other metals. The metal deposited on the material may be burnished, locally or otherwise. Reference is made to the treatment of materials containing cotton, wool, natural silk, regenerated cellulose, cellulose formate, acetate, propionate, or butyrate, or methyl, ethyl, or benzyl cellulose.
Patent GB-655345-A (GB)
Title: Improvements in or relating to hydraulic reversing gear for propellers
IPC: B63H3/08
Filed: 1947-09-01
Abstract: 655,345. Variable-pitch propellers. AALBORG VAERFT AKTIESELSKABET., and KJAER, V. A. Sept. 1, 1947, Nos. 24124 and 24125. Convention dates, Feb. 4, 1946, and March 9, 1946. [Class 114] A hydraulic reversing gear for variable-pitch propellers is provided with a relief valve 1 in a liquid supply line 4, provided with a supplementary piston 38 adapted to be subjected to liquid-pressure tending to open a valve 37 to byepass the operating liquid through an outlet 39 when the pitch-changing mechanism is inoperative, and to be relieved of pressure to allow the valve 37 to close and a high pressure to build upon the line 4 when the reversing gear is in operation. Operation of the reversing gear is controlled by a slide valve 16 which by means of a land 20 controls the supply and relief of pressure to the piston 38 through a pipe 36. The valve 37 may have a cylindrical extension (Fig. 3, not shown) to delay its opening and consequently the fall in pressure to allow the blades to make their full movement before returning the valve 16 to its neutral position through hunting gear (Fig. 2, not shown).
Patent GB-1477383-A (GB)
Title: High pressure infrared cell
IPC: G01J3/02
Filed: 1974-05-31
Abstract: 1477383 Optical sample cells UNION CARBIDE CORP 31 May 1974 [19 June 1973 15 March 1974] 24139/74 Heading G2J An infrared sample cell for continuous flow analysis of material at high-pressure, e.g. up to 50,000 p.s.i.a., and temperatures of 100-500C comprises a cell block 1 e.g. of stainless steel having an aperture provided with sample inlet 5 and outlet 6. A metal sleeve 7 is located within the aperture and has holes mating with the inlet 5 and outlet 6. Two infrared transmitting windows 9, 11 e.g. of zinc sulphide are located inside sleeve 7 and have optically flat surfaces the outer ones of which are in direct contact with the optically flat inner surfaces 19 of plugs 3 which are fitted and secured e.g. by screw threads into the ends of the aperture. The inner end portion of each plug 3 is surrounded by two sealing means, the first e.g. O-ring 15 being in direct contact with the end surface of the sleeve 7 but not in contact with the window and the second e.g. copper K-ring 17 being spaced from the end surface of sleeve 7 by the first sealing means 15. Heating means, e.g. tubular heaters are provided for the block 1 together with means e.g. a thermistor for monitoring and controlling the temperature of the block. Instead of the threaded plugs 3 shown, plugs containing exterior threaded bosses fitted with matching caps may be employed or spring-loaded bayonet type caps or exterior plates bolted or screwed to the block 1.
Patent GB-481153-A (GB)
Title: Improvements in or relating to ultra-short wave devices
IPC: H05K7/02
Filed: 1937-09-03
Abstract: 481,153. Electric condensers. LORENZ AKT.-GES., C. Sept. 3, 1937, No. 24154. Convention date, Sept. 5, 1936. [Class 37] [Also in Group XL] The tuning condenser comprises a pair of semicircular plates 14 screwed to the block 1, the capacity being varied by a cylinder 13, of a dielectric material free from losses and mechanically strong, which slides between plates 14 by the screw action of the tuning shaft on a screwed sleeve 24' to which cylinder 13 is secured by a transverse pin 25. Sleeve 24 is supported by a member 16 which slides on shaft 23. The cylinder 13 is covered by a thin metal layer 17 which is also coated with a thin layer of insulating material of very high dielectric constant. Layer 17 strongly localizes the field range and increases the capacity. The cathode leads 19 of the valve are constructed as metal tapes constituting plates of a condenser with the earthed plate 20 whereby the leads are short-circuited to earth for highfrequency currents. Specification 472,106, [Group XL], is referred to.
Patent GB-173015-A (GB)
Title: Improvements in or relating to walls for buildings
IPC: E04B2/56
Filed: 1920-08-21
Abstract: 173,015. Brown, C. A. H. Aug. 21, 1920. Building - blocks, special shapes of. - Walls are formed of double slabs or single hollow slabs connected by symmetrical joining blocks f, r which may be precast or cast in situ and are provided at each side with a groove having a flat middle portion and inclined sides t. The outer edges of the sides t may be flattened. Corner blocks s are arranged to break joint. The slabs may be ribbed to maintain the spaces e, or wedges may be used between flat slabs.
Patent GB-1377558-A (GB)
Title: Light producing signal device
IPC: B60Q7/00
Filed: 1972-05-24
Abstract: 1377558 Road traffic warning sign C FERRARIS 24 May 1972 24389/72 Heading E1G [Also in Division G2] A triangular warning sign for indicating the presence of a broken down vehicle on a road comprises an opaque housing having a triangular face 6 pierced by light diffusing studs 1, each comprising a prism and lens which may be of methyl methacrylate polymer, and enclosing a single centrally disposed light source 2 illuminating the optionally coloured inlet face 7 of each prism which supports on its exit face a planoconvex faceted lens 4. Light conducting means or reflectors may be disposed between the prisms and the light source which may be continuously or intermittently lit.
Patent GB-725908-A (GB)
Title: Improvements in or relating to typographical composing machines
IPC: B41B11/18
Filed: 1953-09-04
Abstract: 725,908. Type - bar - making machines. MERGENTHALER LINOTYPE CO. Sept. 4, 1953 [Sept. 5, 1952], No. 24467/53. Class 100 (3). Assembling matrices; driving-mechanism.- In a typographical line-composing machine operated by an automatic tape control unit, the assembler shoot through which the matrices pass on their way to the assembler elevator comprises a lower guide-rail and a pivotally mounted upper finger, and an abnormal pivotal movement of the finger, caused by a pile-up of matrices in the shoot, actuates means to arrest the operation of the tape control unit. Clockwise pivotal movement of the finger 6 closes a switch 23 to energize a solenoid 25, whereupon a lever 18 moves against the tape-advancing shaft 12. A lug 19 on the shaft enters a hole in the lever 18 so shaped as to cause axial movement of the shaft to disengage a clutch and disassociate the shaft 12 from its drive-shaft.
Patent GB-1182076-A (GB)
Title: Gyromagnetic Resonance Spectrometer
Inventor: HALL HUGH JOHN
IPC: G01R33/30
Filed: 1968-05-22
Abstract: 1,182,076. Gyromagnetic resonance spectrometers. VARIAN ASSOCIATES. May 22, 1968 [June 12, 1967], No. 24523/68. Heading G1N. In a gyromagnetic resonance spectrometer having a closed yoke magnet system enclosed in a temperature controlled oven, sample containers are automatically loaded into and ejected from the probe structure. In a preferred arrangement including an air driven turbine for sample spinning, the turbine stator is formed by part of the probe structure and the rotor by part of the sample container in the probe structure. Ejection is carried out by diverting the turbine air supply to an annular chamber beneath the rotor whereby to drive the rotor and sample container upwards out of the probe structure. A succession of samples may be automatically loaded, tested and ejected under the control of a programmer. The sample containers and the turbine air supply are pre-heated to the temperature of the magnet.
Patent GB-659757-A (GB)
Title: Improvements in or relating to harvesters or leaf plucking machines for tea leaf
IPC: A01D46/04
Filed: 1948-09-20
Abstract: 659,757. Harvesting tea. GORDON. J. B. Sept. 20, 1948, No. 24525. '[Classes 6(ii) and 6(iii)] A machine for harvesting tea comprises a framework 2 adapted to be supported on the shoulders of an operator. A further frame 31 is slidably mounted on the frame 2 and is provided with guides 32 which carry a table 35 on which is mounted cutting mechanism comprising a chain of knives 58 which co-operate with fixed fingers 52. The knives are driven through bevel gearing 39, 40 and a flexible shaft 29 by means of a hand-lever 15. A freewheel mechanism 12 co-operates with a chain 13 attached to a link 14 pivoted on the lever 15, a spring 20 returning the chain to its original position after each movement of the lever 15. The knives comprise a series of blades fixed on a chain engaged by two sprockets, one of which is driven by the gear 40. An impeller 50 driven from the knife gearing is provided with flexible slats 51 for clearing cut leaves from the blades. A canvas apron is provided at the rear of the table 35 and it may be formed into a loop to hold the cut leaves. A handle 67 moves the table 35 along the guides 32. In a modification a bag may be used in place of the canvas apron and the knives may cut with a reciprocating action.
Patent GB-278878-A (GB)
Title: Improvements in or relating to bakers' ovens
IPC: A21B1/00
Filed: 1926-10-04
Abstract: 278,878. Schierz, G. Oct. 4, 1926. No Patent granted (Sealing fee not paid). Bakers' ovens.-In a baker's oven of the kind in which the products of combustion escape through a number of flues opening into a common smoke-box leading to the chimney, each flue connection b has a separate sliding damper d operated by a toothed sector e on a rod f journaled in the front and rear walls of the box, the rod having at its outer end a two-part operating- handle. A pivoted flap s gives access to the flues for cleaning. The handle consists of an inner part l fast on the rod f and a hinge-connected outer part m having a projecting finger m<1>, which is spring-pressed into recesses in a plate o.
Patent GB-1045833-A (GB)
Title: Method of manufacturing an encapsulated magnetic contact unit
IPC: H01H11/00
Filed: 1963-06-20
Abstract: 1,045,833. Electromagnetic relays. WESTERN ELECTRIC CO. Inc. June 20, 1963 [June 29, 1962], No. 24570/63. Heading H2B. The movable contact member 4 of a sealed magnetic contact unit is deformed beyond its elastic limit to its set position by a magnetic field after the glass envelope 1 of the unit has been sealed. In the change-over contact unit shown the contact members 2, 3, 4 are held in place during sealing by an axial magnetic field and a magnetic field perpendicular to it. The contact member 2, which may be magnetic or non-magnetic, may be deformed beyond its elastic limit when the movable contact is being set. The contact members 2 and 4 may be hollow to enable the envelope to be filled with gas. If the member 2 is non-magnetic a magnetic wire is inserted in it to enable it to be magnetically held in place during sealing.
Patent GB-1267737-A (GB)
Title: An improved dishwashing or other washing machine
IPC: D06F39/08
Filed: 1969-05-14
Abstract: 1,267,737. Washing machines. INDUSTRIE A. ZANUSSI SpA. 14 May, 1969 [15 May, 1968], No. 24717/69. Heading D1A. [Also in Division A4] In a dishwashing or other washing machine having a pressure-stat which controls the maximum level of water fed to a washing compartment 10, a water delivery pipe 19 communicating with the washing compartment 10 has, connected thereto at a position above said maximum water level, a branch conduit 24 opening downwardly into a pressure sensing device 21 of the pressure stat. During operation of the illustrated dishwashing machine a circulating pump 17 feeds washing liquid to sprayers 11 via ducts 18, 19 and part of the washing liquid passes via the conduit 24 into a passage formed by a partition wall 28 in the device 21 to swirl in the latter and clean it. The device 21 is connected to the discharge conduit 13 of the machine and senses the level of liquid in the sump 12 when washing liquid is initially fed into the compartment 10. A pressure actuated device 23 communicating via a tube 22 with the device 21 cuts off the liquid feed when the desired liquid level is reached.
Patent GB-887303-A (GB)
Title: Improvements in or relating to therapeutic compositions comprising novobiocin
IPC: A61K31/335
Filed: 1958-07-31
Abstract: A therapeutic composition comprises novobiocin and sulphamethylthiadiazole and, optionally, one or more other sulphonamide drugs.  The antibiotic ingredient may be in the form of a therapeutically active salt, e.g. a mono- or di-alkali or alkaline earth metal or insoluble amine salt.  Specified additional sulphonamides are sulphadiazine, sulphamerazine, sulphamethazine, sulphisomidine, sulphacetamide, sulphisoxazole, acetyl sulphisocazole, phthalylsulphathiazole, succinylsulphathiazole, sulphomethylthiadiazole.  A sulphamethoxypyridazine singly or in combination.  The composition may be in conventional pharmaceutical forms, e.g. tablets, hard and soft gelatine capsules, syrups, aqueous suspensions, oil/water emulsions, ointments, lotions and jellies. Unit dosage forms may contain from 25 to 500 (preferably 100 to 300) mg. of the antibiotic and from 50 to 1000 (preferably 200 to 600) mg. of the sulphonamide, the ratio antibiotic to sulphonamide being from 1 : 1 to 1 : 4 and preferably 1 : 2.  Additional therapeutically useful ingredients which may be present include vitamins, e.g. thiamine, riboflavin, ascorbic acid, niacinamide, pyridoxine, pantothenic acid (or salts), Vitamin B12 and folic acid; materials having duiretic, urinary analgesic and antibacterial activity, e.g. phenylazodiaminopyridine hydrochloride, mandelic acid, methenamine manolelate, methenamine, nitrofurantoin, 6 - ethoxy - (benzothiazole - 2 - sulphonamide), ammonium chloride and acetazolamide; corticoids, e.g. cortisone, hydrocortisone, prednisone, prednisolone and derivatives thereof; other antibiotics, e.g. tetracycline, chloramphenicol, penicillin, neomycin, polymixin, bacitracin, erythromycin, fumagillin, streptomycin and dihydrostreptomycin.
Patent GB-598940-A (GB)
Title: Improvements in or relating to handles for suit cases and like portable articles
IPC: A45C13/42
Filed: 1945-09-24
Abstract: 598,940. Labels. STADIUM, Ltd., and WISEMAN, S. Sept. 24, 1945, No. 24742. [Class 73] [Also in Group XVII] A label or transparent slide with an identification label is fitted into a shaped recess provided on the upper surface of a suitcase handle and held by overlapping edges 2. The parallel edges 2 may be longitudinal. The slide may be of celluloid bent over to form an envelope for the identification label.
Patent GB-852920-A (GB)
Title: 3-isopropylphenyl n-methylcarbamate and insecticidal compositions containing the same
IPC: C07C271/06
Filed: 1958-08-01
Abstract: The invention comprises 3-isopropylphenyl-N-methyl carbamate which may be prepared by treating 3-isopropylphenol with methyl isocyanate or by treating sodium 3-isopropylphenolate with phosgene to give 3-isopropylphenyl chloroformate which is then reacted with at least 2 mols of methylamine.  The reaction with isocyanate may be carried out in the presence of a tertiary amine e.g. pyridine at 20-100 DEG C. and a pressure up to 250 lb./sq. in. for 2 to 170 hours using an anhydrous solvent such as chloroform, benzene or toluene.  The reaction with phosgene may be carried out at -40 DEG  to 10 DEG C. at up to 250 lb. sq. in. pressure for 3 to 30 hours using an inert solvent such as benzene, toluene or xylene to give the chloroformate which may be treated with methylamine at 0 DEG C. to 60 DEG C., at pressures up to 100 lb./sq. in. for 1/2 to 20 hours in the presence of 100% to 900% by volume of water.  The compound may be used as an insecticide (see Group VI).ALSO:Insecticidal compositions comprise 3-isopropylphenyl N-methyl carbonate (see Group IV(b)) together with a using solid or liquid carrier such as water, mineral oils, organic solvents, e.g. acetone, carbitol, talc, bentonite, diatomaceous earth, silica, pyrophyllite, fuller's earth, lime, gypsum and flour derived from cotton seeds and walnut shells.  Other additives such as emulsifiers, wetting agents, binding agents, liquified gases, p odourants and stabilizers may also be included.
Patent GB-1535400-A (GB)
Title: Continuous casting of a steel strand
IPC: B22D11/124
Filed: 1976-06-15
Abstract: 1535400 Continuous casting I ROSSI 15 June 1976 [3 Oct 1975] 24788/76 Heading B3F In order that end shell-walls 5, Fig. 3, of a continuously cast slab withdrawn from a mould 1, Fig. 2, should thicken, as at 12 1 , Fig. 3, more rapidly than the wide side walls 3, the end walls are subjected to more intense cooling, as by closely packed water spray nozzles 11, than the side walls 3, cooled as by water spray nozzles 13; the thickened walls 12 1  support and resist deflection of the wide walls and the differential application of coolant continues along the strand length to the level where the walls are self-sustaining. As indicated, the wide walls 3 are inwardly arched and each supported by a pair of triangular apertured plates 14 (which may be hollow for feeding water to the strand surface) or by grids of longitudinal bars which are of various lengths so that each grid forms a triangular assembly. The triangle apices extend at least to the level where the shell is self-sustaining. The strand is guided and supported by short rollers 7.