baber/WOPTO huggingface dataset:
Patent GB-966193-A (GB)
Title: Process for the treatment of cellulose textile materials with hardenable resin precondensation products and brightening agents
IPC: D06P3/60
Filed: 1961-08-25
Abstract: The brightening agent having the formula: <FORM:0966193/C1/1> is prepared by reacting 4-nitro-41-amino stilbene-2,21-disulphonic acid with a pre-reacted mixture of cyanuric chloride and methanol and with diethanolamine, followed by reduction with iron and acetic acid to produce the intermediate product 2-methoxy-4-diethanolamino-1, 3, 5-triazinyl-6-(4, 41-diamino stilbene-2, 21-disulphonic acid), which is further reacted with a pre-reacted mixture of cyanuric chloride and methanol and with taurine. Alternatively the brightening agent may be prepared by reacting 4, 41-diamino stilbene-2, 21-disulphonic acid with a pre-reacted mixture of cyanuric chloride and methanol and then further reacting the product with diethanolamine and taurine. The brightening agent having the formula: <FORM:0966193/C1/2> may be similarly prepared by using, instead of taurine and diethanolamine, methyl taurine and monoethanolamine.ALSO:Cellulosic textile materials, e.g. cotton, are crease proofed and brightened by treating them in a single bath simultaneously with hardenable resin precondensation products, e.g. dimethylol urea, dimethylol ethylene urea, dimethylol-dihydroxy ethylene urea, tetramethylol acetylene diurea and hexamethylolmelamine and their alkyl ethers, and bis-triazinyl-amine stilbene compounds of the formula <FORM:0966193/D1-D2/1> in which R1 and R2 are 1-6 C atom alkyl radicals, R3 is a hydrogen atom or a methyl radical, X is an amino group which may be substituted by aliphatic or cycloaliphatic radicals and Y is a hydrogen atom or salt forming cation, and then heating the textile materials to harden the resin precondensation products.  Suitable amines giving rise to the radical X are ammonia, monomethylamine, dimethylamine, monoethanolamine, N-methyl-monoethanolamine, diethanolamine, monoisopropanolamine, morphidine, piperidine and piperazine.
Patent GB-307460-A (GB)
Abstract: 307,460. International General Electric Co., Inc., (Assignees of Allgemeine Elektricitõts-Ges.). March 8, 1928, [Convention date]. Void [Published under Sect. 91 of the Acts]. Systems, electric.--A distributor and contact breaker 1 for a battery circuit is mounted on and driven from the shaft 3 of a magneto 1. Two sets of sparking-plugs are used and may be connected to either the magneto or the battery circuit or to both simultaneously.
Patent GB-1055908-A (GB)
Title: Cellular glass nodules
IPC: C03B19/10
Filed: 1964-08-04
Abstract: 1,055,908. Cellular glass nodules. PITTS. BURGH CORNING CORPORATION. Aug. 4, 1964 [July 23, 1963], No. 30799/64. Heading C1M. A cellular glass nodule comprises a core having a plurality of small uniform cohered glass bubbles and a thin outer skin of vitrified material of composition different from the core glass. The nodules are made by admixing preformed glass particles and a cellulating agent, wetting and forming into discrete pellets, e.g. on a rotating disc, coating with a particulate glass-former refractory oxide, and heating, e.g. in a rotary furnace to cellulate the pellets and form a vitreous surface coating. The pellets may be dried at e.g. 250-350‹ F. before the coating step. The cellulating agent may be e.g. lamp black or coal, or carbon black with or without sodium sulphate. The wetting agent contains a fluxing agent and binder, e.g. sodium silicate. The glass-former may be e.g. Al 2 O 3 .3H 2 O, MgO, CaO, or an oxidized product of BN. The coated pellets may be fired at e.g. 1575-1700‹ F.
Patent GB-822304-A (GB)
Title: Gas burners
Inventor: BIGGS NORMAN BENJAMIN
IPC: F23D14/06
Filed: 1956-10-10
Abstract: 822,304. Gas burners. RADIATION Ltd. Sept. 4, 1957 [Oct. 10, 1956], No. 30844/56. Class 75(1) A gas burner for burnng butane, propane, natural gas or other gases having a low flame velocity as compared with, e.g. coal gas, comprises a head piece a and a separately formed cover piece b supported on the upper side of the head piece, the pieces a and b being shaped to provide between them a chamber tapering horizontally from a vertically extending central orifice f in the head piece to terminate in one or more peripheral orifices k so that the velocity of the gas-air mixture flowing through the peripheral orifice or orifices k can be made greater than the flame velocity. As shown, the main part a secured by screws c to the feed pipe d is shaped to provide a slightly conical or concave upper surface e. The piece b has an underside g of shallow concave or conical form and is supported on the piece a by projections h engaging radial grooves i in the piece a. Notches k formed in the underside of the marginal part of piece b form with the piece a the peripheral orifices. An annular drainage groove n communicating with the - grooves i serve to drain spilled liquid that may enter the notches k into the central channel f.
Patent GB-773962-A (GB)
Title: Transistor logical circuits
IPC: H03K19/082
Filed: 1954-10-26
Abstract: 773,962. Transister switching circuits and trigger. INTERNATIONAL BUSINESS MACHINES CORPORATION. Oct. 26, 1954 [Oct. 29, 1953], No. 30845/54. Class 40(6) In a logical circuit, a number of transistors having individual inputs and a common output are biased so that an output occurs when the input circuits are energized in a manner satisfying predetermined conditions. The circuits may operate at AND, OR, EXCLUSIVE or SELECTIVE OR gates; a trigger circuit is also described. With both' switches 5, 9 open, little collector current flows and the output terminal 15, Fig. 1 is near the potential of battery 13. When either or both switches are closed, the corresponding emitter circuit is completed to cause heavy collector current so that terminal 15 approaches the potential of the common lead 14. In a modification, Fig. 5, the emitters are earthed and the base potential varied by switches 27. The transistors 28, 29 may have the emitter of each connected to the base of the other, Fig. 6 so that when the switches 37, 37a are in like positions the transistors assume states of low conductivity to form an exclusive OR circuit. When one switch 37 is connected to positive battery and the other to earth, the transistor 29 passes heavy current through the load 31. In a similar manner, reversal of both switches causes transistor 28 to conduct so that the circuit operates only when an input is applied to one or other of the inputs. Two transistors 54, 55 may be arranged with their collector paths in series, Fig. 14 so that only when both are made conductive by closing switches, 56S, 57S. does the current through load resistor 63 rise appreciably while. with either one or both switches open the current flowing drops to a low value. Trigger circuit. The emitter of transistor 55, Fig. 16 may be returned to earth so that it acts as a regenerative circuit with the base resistance varied by the condition 'of the collector impedance of transistor 54. With switch 56S open, the impedance is high, Fig. 17 (not shown), so that heavy current flows in the collector circuit of transistor 55 and load 63. When the switch is closed the emitter current in transistor 54 lowers its collector impedance, biasing off transistor 55, only a small current then flowing in load 63. The circuit may be operated in a quiescent condition with a small emitter current flowing in transistor 54. In a modification, Fig. 20 (not shown) a diode is connected between the base of transistor 55 and earth. Selective OR circuit. By adding ' a switch 69S Fig. 18, the circuit will only pass to the on condition if switch 56S is opened while switch 69S remains in the position shown. In the on condition, operation of switch 69S is ineffective.
Patent GB-771478-A (GB)
Title: Process for the manufacture of water-insoluble nitrogen-containing polymerisation products
IPC: C08F8/00
Filed: 1953-11-06
Abstract: Polyacrylamide and copolymers of acrylamide with acrylonitrile are rendered insoluble in water by heating under exclusion of air, in the presence of non-oxidizing vapours or gases, or in the presence of a carboxylic anhydride at a temperature of 139 DEG C. or more.  The anhydride may be acetic anhydride or a mixed anhydride of acetic acid and caproic acid, and when heating in the presence of an anhydride the polymer may be swollen with a solvent such as water, formic acid or acetic acid.  Heating under exclusion of air may be effected in an inert liquid such as ethyl hexanol or water. The product may be subsequently treated with formaldehyde.
Patent GB-421139-A (GB)
Title: Improvements in or relating to the manufacture of aluminium fluoride
IPC: C01F7/50
Filed: 1933-11-07
Abstract: A cyclic process for producing aluminium fluoride comprises heating aluminium fluosilicate at temperatures up to 600 DEG  C. to drive off silicon tetrafluoride, combining the latter with hydrofluoric acid, and utilizing the fluosilicic acid so obtained to produce aluminium fluosilicate from aluminium oxide or hydroxide to continue the cycle. The production of fluosilicate is effected at boiling temperature using excess of acid, and after cooling and separation from the mother liquor, the fluosilicate is dried below 40 DEG  C. prior to its decomposition by heat. Substantially anhydrous aluminium fluoride is obtained, but it may, if desired, be reheated at temperatures between 100--600 DEG  C. in an aluminium vessel.
Patent GB-369881-A (GB)
Title: Process for the production of rolling-mill products from magnesium and its alloys
IPC: B21B3/00
Filed: 1931-11-09
Abstract: 369,881. Castings. I. G. FARBENINDUSTRIE AKT.-GES., Frankfort-on- Main, Germany. Nov. 9, 1931, No. 31023. Convention date, Dec. 16, 1930. [Classes 83 (i) and 83 (iv).] Rolling ; molecular structure, altering by mechanical treatment.-The grain of cast ingots of magnesium and its alloys is improved, prior to rolling, by subjecting the material in known manner to plastic deformation at high temperatures by the application of moderate pressures per unit area exposed to the pressure, such pressure acting on a considerable portion of the boundary surfaces of the material, in contradistinction to rolling where the pressure is concentrated on small areas. The deformation is preferably effected by forging or by means of an extrusion press. A moulding action appropriate to the further treatment of the material may be combined with the kneading action. The treatment is stated to prevent the splitting of the material which is liable to occur under rolling.
Patent GB-426359-A (GB)
Title: Improvements in or relating to automatic machines for cutting off predetermined lengths from metal stock-bars
IPC: B23D21/00
Filed: 1933-11-08
Abstract: 426,359. Lathes. MERCER, C., Park Cottage, Park Road, Radlett, Hertfordshire. Nov. 8, 1933, No. 31098. [Class 83 (iii)] In a machine for cutting off predetermined lengths from stock bars such as for making nut or bolt blanks from hexagonal bars, 9, with or without performing a forming operation on each length of bar, a number of hollow rotary work spindles 1-6 through which the bars are intermittently fed are arranged around a continuously rotating head 7 carrying a corresponding number of tools 10 which are reciprocated to and from the work-spindles by a stationary cam groove 11 which acts on rollers 12 to impart one cyclic reciprocation to each tool-slide 13 for each revolution of the head. The severing operation is in the case of each spindle completed at the lowest point A of the spindle travel so that the severed blank may drop into a receptacle 17 or into a shoot. While a spindle passes from A to C the corresponding tool is quickly withdrawn so that the bar may be fed at the point C and the tool returned to start the cut on the next length at B. The spindles are driven from a motor 18 through a belt 20, shaft 22, gears 24, 27 and large gear 28, integral with an internal gear 30, Fig. 4, engaging pinions 31 on the spindles. The gear 27 is also connected through pinion 62, clutch 57, gearing 60, bevel gearing 64, and worm gearing, (not shown), to the head 7 which is thus driven slowly to impart the orbital movement to the spindles. A stationary shaft 37 secured to a front bracket 38 carries cams 39, 40, controlling the chuck-opening and workfeed respectively. The cam 39 actuates a follower 41 to slide a member 43 coacting with pivoted fingers 44 to operate the sleeve 47 of the collet chuck 48. When the chuck is open the cam 40 slides a member 53 on the feed tube 54 which feeds the bar by the desired step. The head 7 may be manually rotated by a hand crank applied to the shaft 56, the clutch 57 being disengaged. In a modification, the cam 11 may be manually rotated for setting-up purposes.
Patent GB-248298-A (GB)
Title: Improvements in feeding apparatus for automatic drilling machines
IPC: B23Q5/32
Filed: 1924-11-26
Abstract: 248,298. Cronstr÷m, H. Nov. 26, 1924. Drilling-machines.-In a feed mechanism for automatic drilling-machines, more particularly for combined drilling and turning machines for mak. ing thread reels, as described in Specification 248,068, the drill is fed through resilient means so that the rate of feed may vary slightly according to the resistance to the drill, while if the drill encounters any obstruction, the feed may be entirely arrested. The drill is mounted in a spindle 59 adjustable in a sleeve 61 which is rotated by a pulley 6" driven from a motor 69. Axial movement of the drill is effected through a bracket 75 adjustably secured to a shaft 78 connected by a rod 84 to a swinging lever 85 which also actuates the pusher 33. The lever 85 is oscillated from a second lever 88, the lower end 90 of which is connected through a link 91 to a pivoted counterweight 92 which normally rests on pegs 94. The lever 88 which is actuated by a crank disc 97, normally rocks about the point 90 but if the drill encounters an impenetrable obstruction the lever rocks about the point 89 and the counterweight is tilted about one of its pivots, the defective blank being subsequently ejected undrilled. In order to minimize shock and to allow the forward feed of the drill to vary slightly when obstructions which are not sufficient to move the counterweight are encountered, one of the halves of the bearing connecting the link 91 with the counterweight is made of indiarubber. After the drilling is completed, the drill is withdrawn, the work being prevented from moving by means of a notched disc.
Patent GB-1482091-A (GB)
Title: Fire retardant unsaturated polyesters
IPC: C08G63/682
Filed: 1974-07-15
Abstract: 1482091 Fire-retardant unsaturated polyesters HOOKER CHEMICALS & PLASTICS CORP 15 July 1974 [30 July 1973] 31180/74 Heading C3P A fire-retardant polymer composition comprises (i) an unsaturated polyester, (ii) a copolymerizable monomer, wherein said polyester contains, at least 4 weight per cent of halogen, based on (i) plus (ii), and (iii) as fire-retardant, 0À25 to 5 weight per cent, based on (i) plus (ii) of copper or a copper compound. In the examples the polyester resins consists of styrene solutions of (I) ethylene glycol and diethylene glycol esterified with 1,4,5,6,7,6-hexachlorobicyclo - (2.2.1) - 5 - heptene - 2,3 - dicarboxylic anhydride and maleic anhydride; (II) propylene glycol esterified with the anhydrides of (I); (III) propylene glycol esterified with fumaric acid and tetrachlorophthalic anhydride; (IV) the glycol mixture of (I) esterified with maleic anhydride tetrabromophthalic anhydride, phthalic anhydride and sodium acetate, (V) 1,2- dibromopropanol, ethyleneglycol and glycerol esterified with chlorendic acid and maleic anhydride; (VI) as (I) except that vinyl benzyl chloride is added; and the copper compounds used are cupric and cuprous oxide, cupric chloride and the dihydrate, anhydrous and hydrated cupric sulphate, metallic copper, curpous cyanide, cupric carbonate, cupric oxychloride, cupric chromate, cupric tungstate, cupric thiocyanate, cupric borate, cupric phosphate, and cupric bromide. The compositions may also comprise reinforcing agents, fillers and stabilizers.
Patent GB-1240733-A (GB)
Title: Method of making flexible sheet material
Inventor: LOWE JACK MILNER
IPC: B29C43/00
Filed: 1968-06-29
Abstract: 1,240,733. Flexible foamed sheet materials; laminates. DUNLOP HOLDINGS Ltd. 26 June, 1969 [29 June, 1968], No. 31203/68. Headings B5A and B5N. A sheet of cellular plastics material is compressed by positioning it between a pair of belts and passing the belt/sheet/belt assembly through a nip formed by a pair of platens, the narrowest part of the nip being smaller than the initial thickness of the assembly and the softening point of the sheet being greater than. the maximum temperature of compression. The belts are preferably made of pliable metal, e.g. stainless steel and one or both of the platens may be heated, preferably by internal heating either uniformly or with a temperature gradient. The plastics foam may be reticular polyurethane, a natural or synthetic rubber, poly- (vinyl-chloride), polyethylene, polypropylene or polystyrene. The process may be used to laminate two foam sheets with different properties, using either heat or an adhesive to bond the materials or may be used to bond a sheet of foamed plastics material to a knitted, woven or non-woven textile fibre layer or to a non-foamed sheet of an acrylic polymer, nylon or a polyurethane. As shown, a foamed sheet of depth B is located between belts 3, 4 and is compressed to thickness A by passage of the belts and sheet between plates 1 and 2.
Patent GB-781381-A (GB)
Title: m-substituted ethyl thiolbenzoates
Inventor: DRIVER GEORGE WILLIAM
IPC: A61K31/265
Filed: 1954-10-29
Abstract: The invention comprises compounds of the formula <FORM:0781381/IV (a)/1> where R is a nitro or an amino group.  The nitro compounds are prepared by the reaction of an acid halide of the formula <FORM:0781381/IV (a)/2> wherein X is a halogen atom and R is a nitro group, with ethyl mercaptan, preferably in the presence of a solvent or diluent such as benzene and an acid-binding agent such as caustic soda.  The compound wherein R is an amino group is made by reduction of the compound wherein R is a nitro compound by means of reducing agents such as hydrogen and a hydrogenation catalyst, e.g. Raney nickel. Examples describe the preparation of the ethyl esters of m-nitrophenylthiolcarboxylic acid and m-aminophenylthiolcarboxylic acid.
Patent GB-500389-A (GB)
Title: Improvements in and relating to tubular heat exchangers for fluids
IPC: F28F9/22
Filed: 1937-11-16
Abstract: 500,389. Plate heat exchangers. LEYLAND MOTORS, Ltd., and LUCY, B. Nov. 16, 1937, No. 31504. [Class 64 (iii)] A heat-exchanger comprises a cylinder 1 along the inner surface of which heating or cooling fluid flows from an inlet 10 to an outlet 11 in a cap carrying a cylindrical baffle 9, and a casing 2 having an inlet 6 and an outlet 8 for the fluid to be heated or cooled, the annular spaces between the cylinder and the baffle and the casing being provided respectively with channels 13 and baffles 3 and heat-exchange fins 4. The adjacent baffles, which are preferably of the form shown in Fig. 4, are arranged with their flats oppositely disposed so that the fluid to be heated or cooled flows in a zigzag circumferential path through the annular space. The fins are formed with pairs of oppositely disposed flats and divide the fluid flowing between the baffles into separate streams. The baffles and fins maybe loosely threaded on the cylinder 1 or secured thereto.
Patent GB-593785-A (GB)
Title: Improvement in manufacture of bearing elements especially with faces under high surface pressure
IPC: B23K1/00
Filed: 1944-02-10
Abstract: An alloy for a bearing surface adapted to withstand high surface pressure comprises 2 per cent by weight of beryllium; 0.25 per cent cobalt and the remainder copper.  A sheet of the alloy is attached to a bearing element and subsequently hardened (see Group XXII).
Patent GB-680826-A (GB)
Title: Electric selector switch
IPC: H01H21/50
Filed: 1949-12-08
Abstract: 680,826. Retractive switches; snap-action switches. DEHN, S. G., (Globe-Union, Inc.) Dec. 8, 1949, No. 31556/49. Class 38 (v) A selector switch, Figs. 2, 3, comprises an insulating contact carrying, stator 27 secured to vertical ears 22 on a base 16. A spindle 32 supported by a further ear 23 on the base 16 and by a plate 18 staked thereto, carries a hub to which is fixed a contact-carrying rotor 33 and operating lever 39. To index the lever 39 in different positions or return it to a particular position from another position, a bell-crank lever 50 pivoted at 51 to the plate 18 and controlled by a spring 57 attached to a lug 58 on the plate 18, carries a roller 52 which co-operates with an internal cam surface in the body portion 36 of the lever 39. In Fig. 2 the cam surface comprises a central low part and two outer high parts 43, 44, whereby if the lever 39 is moved to either of its extreme positions corresponding to high part 43 or 44, and then released, it is returned to the central position by the spring 57 acting through the roller 52. By using the cam surface shewn in Fig. 9, the switch is retained when the lever 39 is moved counter-clockwise to an extreme position in which the roller 52 engages the low part between surfaces 63, 67, but is returned to the central position after being moved to the other extremity. In an alternative construction, Figs. 10, 11, a number of stator/rotor units may be spacedly mounted on bolts 81 supported by a plate 80, a single stator 27 being shewn. The switch is operated by a shaft 83 supported by a bearing 84 in the plate 80 and to which is fixed the rotor and an external surface cam 87. A lever 89 pivoted at 90 to the plate 80 carries a roller 88 urged by a spring 91 against the cam 87. In either extreme position when the roller engages the cam surface 97 or 98 and the operating force on the shaft 83 is released, the latter will be rotated until the roller occupies the low part 94 or 96. The switch may also be retained in the central position in which the roller occupies the low part 95. Alternatively, the cam parts, 94, 96 may be omitted in which case the switch is centralised by the spring 91, Fig. 12 (not shown).
Patent GB-145359-A (GB)
Title: Improvements in lead pencil cases
IPC: B43K21/08
Filed: 1919-12-17
Abstract: 145,359. Mawson, J. R., (trading as Baker & Son, E.). Dec. 17, 1919. Pencil-holders.-A screw-propelling pencil of the kind comprising an ejector operated by spiral action in a central lead-carrying tube is provided with a central tube 1 extending into the nozzle, a spiral sleeve 8 disposed around the tube 1, an ejector 5 engaged with the sleeve 8 by a radially bent end 6 projecting through a longitudinal slot 4 in the tube 1, and a spring collet 21, each as described in Specification 7985/10, in alinement with the tube 1 at the nozzle end, for gripping the lead. The sleeve 8 is attached to a surrounding tube 9 which is extended and carries a screw cap 11. The tapered portion of the outer casing is made in two parts 3, 17, the part 3 screwing upon the collet 21, which is attached to the part 17 and to the tube 1. The part 12 of the outer casing between the part 17 and the cap 11 is provided with a bearing-sleeve 20, extending into the part 17, and is attached to the tube 9 by distance wires or tubes 13, forming two annular compartments for storage of reserve leads.