baber/WOPTO huggingface dataset:
Patent GB-1036682-A (GB)
Title: Process for coating porous or non-porous substrates
IPC: C09D133/06
Filed: 1965-01-26
Abstract: A coating composition comprises a solution in an organic solvent of (1) a copolymer of (a) 15 to 50% of a vinyl ester of an aliphatic saturated monocarboxylic acid, (b) 40 to 80% of an alkyl ester of an aliphatic a ,b -ethylenically unsaturated carboxylic acid and (c) 2 to 10% of an aliphatic a ,b -ethylenically unsaturated carboxylic acid and (2) an aminoplast soluble in organic solvents, preferably an ether of a methylol compound of urea or a diamino or triamino 1,3,5-triazine, used advantageously in amount 5 to 30% referred to the copolymer (1). Specified monomers of type (a) are vinyl esters of acids containing 1 to 5 carbon atoms, e.g. formic, propionic and acetic acids.  Monomer (b) may be an alkyl ester of an acid containing 3 to 5 carbon atoms, e.g. methacrylic, itaconic, fumaric, crotonic and acrylic acid, the alkyl group preferably being derived from saturated aliphatic alcohols containing 1 to 12 carbon atoms. Examples of such esters are methyl methacrylate, ethyl acrylate, 2-ethylhexy acrylate, dodecyl methacrylate and n-butyl acrylate. Monomer (c) may contain 3 to 5 carbon atoms, e.g. the acids specified in (b). The aminoplast may be an ether derived from aliphatic or alicylic monoalcohols containing 1 to 6 carbon atoms and from methylolated urea or 1,3,5-triazines containing 2 to 3 amino groups, e.g. benzoguanamine, acetoguanamine, formoguanamine and melamine. The methylol compound may contain at least 2 methylol groups and is etherified with 2 to 6 moles of the monoalcohol, e.g. methanol, ethanol, n-propanol, isopropanol, hexanol, cyclohexanol and n-butanol.  In examples, ethyl acetate solutions of a mixture of (1) a copolymer of vinyl acetate, n-butyl acrylate and acrylic acid and (2) an n-butanolic solution of a hexamethylolmelamine ether containing 2 to 3 n-butyl ether groups, a di-methylol urea n-butyl ether or an n-butyl ether of methylol benzoguanamine are prepared. The compositions are applied to substrates and cured at 80 DEG  to 180 DEG  C.ALSO:In a process for coating porous or non-porous substrates a solution in an organic solvent of (1) a copolymer of (a) 15 to 50% of a vinyl ester of an aliphatic saturated monocarboxylic acid (b) 40 to 80% of an alkyl ester of an alphatic a ,b -ethylenically unsaturated acid and (c) 2 to 10% of an aliphatic a ,b -ethylenically unsaturated acid and (2) an aminoplast soluble in organic solvents, preferably an ether of a methylol compound of urea or a diamino or triamino 1, 3, 5-triazine the said aminoplast being advantageously used in amount 5 to 30% referred to the copolymer (1) is applied to a substrate and the coated substrate is dried and then cured at 80 DEG to 180 DEG C.  Substrates specified are fabrics e.g. nylon, paper, leather, glass, building materials and wood.  The coating is applied with a brush or a spraying device, or by dipping and subsequent expression, or with the aid of a coating machine, preferably with a doctor device. The composition may also contain fillers, pigments or plasticizers.
Patent GB-134455-A (GB)
Title: Improvements in Moistening or Conditioning Apparatus.
Inventor: SMETHURST HERBERT
IPC: D01G99/00
Filed: 1919-02-12
Abstract: 134,455. Smethurst, H. Feb. 12, 1919. Circulating and passing fluids through materials.-In moistening and conditioning apparatus for textiles, tobacco, &c. having liquid-spraying and heating means, a predetermined quantity of liquid is delivered through the sprayers so that the material has a definite proportion of liquid added thereto. The moisture is supplied by sprayers in which the liquid is atomized by compressed air, both being preferably under pressure, the liquid pressure being obtained and regulated by the means described in Specifications 109,220 and 121,203, [both in Class 69 (iii), Spray-producers &c.]. Either the liquid-pressure receptacle is filled to a certain height, or a fixed quantity of liquid is fed from the main receptacle to a supplementary receiver from which it is fed to the atomizer. When this liquid has been fed, the sprayers are put out of service and the temperature of the material reduced. The chamber a is preferably lined with felt and zinc and has jacketed walls. It is provided with duplex radiators, each traversing one end and half a side, while a fan i is mounted centrally. The sprayers comprise a water jet j and an air jet k. Filtered air is supplied through the pipe l and water from a pressure receptacle n through a tube m. Doors are provided in the end o.
Patent GB-1377152-A (GB)
Title: Cascade developing apparatus for electrostatic latent images
IPC: G03G15/08
Filed: 1972-01-25
Abstract: 1377152 Electrostatic printing apparatus XEROX CORP 25 Jan 1972 [28 Jan 1971] 3462/72 Heading G2H As an imaged xerographic member is cascadedeveloped with a mixture of magnetic carrier particles and non-magnetic triboelectrically charged, toner particles, spillage of developer discharged from conveyor buckets 20 is prevented by a magnetically-formed bridge 40 of carrier particles which minimizes the gap between the buckets 20 and developer chute 32. Preferably a bar magnet 50 is attached to the lower surface of the chute with its magnetic axis at right angles to the chute. As developer material is unloaded from successive buckets the bridge is constantly broken and reformed.
Patent GB-831030-A (GB)
Title: Improvements in or relating to towable air targets
IPC: B64D5/00
Filed: 1958-02-03
Abstract: 831,030. Aerial towed targets. BULOW, K. O. Feb. 3, 1958 [Feb. 4, 1957 (2)] No. 3488/58. Class 4. A towed aerial target comprises three longitudinally arranged wings A interconnected at C 120 degrees apart and each attached to a nose tube B provided with a front runner E, other runners or skis being mounted on the edges of two of the wings to be co-planar with runner E to support the target on the ground during launching and alighting. A towing link D, for the attachment of a towing cable, is secured to the target at H substantially at the centre of gravity. The position of the centre of gravity may be trimmed by the provision of balance weights in tube B. A radar reflector G is provided to facilitate detection of the target and an arrangement for connecting two or more targets in train is described.
Patent GB-258777-A (GB)
Title: Improvements in boxes
IPC: B65D43/02
Filed: 1926-02-08
Abstract: 258,777. Schwieger, A. Feb. 8, 1926. Lids.-The body portion of a box for polish &c. has a circumferential abutment 4 over which the flanged cover fits, the rim of the latter being extended below the abutment at 2. Opening is effected by exerting a pressure of the fingers on opposite sides of the rim whilst slowly rotating the box.
Patent GB-468253-A (GB)
Title: Improvements in electric measuring instruments
IPC: G01R5/14
Filed: 1936-02-05
Abstract: 468,253. Current and voltage meters. MOSS, F., TRIGG, A. A., and METROPOLITAN - VICKERS ELECTRICAL CO., Ltd. Feb. 5, 1936, No. 3545. [Class 37] A moving-iron meter is provided with an additional fixed iron 7 located within the coil 1 for repelling the moving iron 2 at the position of maximum rated current, the repulsive force swamping that of the main couple and tending to cramp the scale at that position. A further iron 8 outside the coil attracts the moving-iron and can be adjusted in position to alter the maxmium deflection point within narrow limits. The fixed iron 7 is smaller than the main fixed iron 6, being preferably half its length.and one-fifth of its thickness. The outside iron 8 is bent around the coil and pointed in the direction of maximum deflection position.
Patent GB-284732-A (GB)
Title: Improved manufacture of silicon carbide refractory articles
Filed: 1928-02-04
Abstract: 284,732. Carborundum Co., Ltd., (Assignees of Hartmann, M. L.). Feb. 4, 1927, [Convention date]. Refractory substances.-Refractory articles are made of silicon carbide, substantially free from iron and other easily reducible metals or compounds thereof, and a permanent bond. In an example, crushed silicon carbide grain is freed from iron by magnetic treatment and by acids, and to 90 parts of this. is added bonding material comprising 8 parts pure kaolin and 2 parts feldspar. The materials are mixed with water, moulded and fired.
Patent GB-191634-A (GB)
Title: Means for retaining bedclothes, curtains and the like in position
IPC: A47C21/02
Filed: 1922-02-07
Abstract: 191,634. Sales, H. Feb. 7, 1922. Hooks.-A device for retaining bedclothes, curtains, &c., in position comprises a length of metal bent to form hooks 1 at its ends to engage a bedstead, curtain-rod &c. its central portion having approximately parallel portions 3 to engage the bedclothes or curtains. The ends of the hooks 1 may be protected by caps. The side portions 3 may be crossed at the ends near the hooks 1.
Patent GB-432891-A (GB)
Title: Improvements in or relating to methods of and means for cooling thermionic valves
IPC: H01J19/36
Filed: 1934-02-03
Abstract: 432,891. Thermionic valves. MARCONI'S WIRELESS TELEGRAPH CO., Ltd., Electra House, Victoria Embankment, and PRIVETT, P. E., 30, Wilton Crescent, Wimbledon, both in London. Feb. 3, 1934, No. 3611. [Class 39 (i)] In a cooling system for one or more thermionic valves having external anodes, each anode is provided with a cooling jacket containing water which is boiled by the heat generated in the electrodes, the major part of the cooling being effected by evaporation. In the system shown in Fig. 1, the anode of a thermionic valve is surrounded by a jacket B containing water. Steam passes to the air-cooled condenser E and the condensate returns to the jacket through the supply tank G. The condenser E may be open to the air, or the system may be provided with relief valves loaded at or above atmospheric pressure. Cooling at pressures lower than atmospheric may be obtained by using a condenser pump. In a modification, Fig. 3, an auxiliary chamber A<1> is interposed between the jacket B and the condenser, which collects water carried over from the jacket and returns it to the chamber G. A continuous circulation of water is thus produced which serves mainly to prevent the trapping of steam bubbles in the jacket, but may also have a small cooling effect. A small pump may be included in the feed pipe D and a valve may then be inserted in the pipe A<11> to maintain the water in the jacket at a pressure above atmospheric. Several cooling jackets may be connected in parallel between the tanks A<1> and G, Fig. 4 (not shown). Fig. 2 shows a form of jacket in which circulating tubes A are provided external to the main body B. Steam rises into the annular space A1 and is carried off to a header A3. The circulation through the tubes A prevents the formation of "hot-spots" and bubbles on the anode ; further circulation may be induced by a diffusing jacket loosely surrounding the anode. The hot air from the condensers may be used to warm the station containing the apparatus, and the whole or part of the system may be insulated from earth. According to the Provisional Specification the condenser and storage tank (E and G in Fig. 1) may form a single vessel with the steam pipe entering at the middle and in addition water circulation may be obtained by a pipe entering the jacket below water level and connected to the storage tank, no separate tank (A<1> in Fig. 3) being used.
Patent GB-571652-A (GB)
Title: Improvements in or relating to electric transmission lines
IPC: H01P3/04
Filed: 1944-02-28
Abstract: 571,652. Electric cables. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. Feb. 28, 1944. No. 3615. Convention date, Feb. 27, 1943. [Class 36] An air-space radio-frequency cable has parallel conductors A, B held together but spaced apart by a length of insulation C wound about and between the conductor, parts of which are left bare. The insulation C may consist of a polystyrene or rubber ribbon wound so as to provide,single turns on each conductor, Fig. 1, or one and a half turns alternately, Fig. 2. U.S.A. Specification 1,996,186 is referred to.
Patent GB-1073232-A (GB)
Title: Improvements in or relating collapsible huts
Inventor: ROBENSON JOHN PALMER
IPC: E04B1/344
Filed: 1964-01-28
Abstract: 1,073,232. Collapsible huts. R. & H. WALE (JOINERY) Ltd. Jan. 27, 1965 [Jan. 28, 1964], No. 3649/64. Heading E1A. A collapsible hut comprises front, back and side wall units of plywood arranged to be detached from or folded onto a floor structure and to detachably receive when erected a roof, the floor, roof and wall units being flat to facilitate packaging. The wall units are secured to corner posts by diagonal plates and screwthreaded dowel pins, see Fig. 9 (not shown), the side walls being hinged to the floor at different levels, Fig. 6 (not shown) and the front and back walls fixed tothe box by coach screws engaging open-slotted angle brackets Fig. 7 (not shown). The gutter roof sections 43 are fixed by toggle-mechanisms, see Fig. 10 (not shown). The hut may be provided with a hinged canopy 67 supported on corner posts 72 stub tenoned into a floor 73, a detachable balustrade being provided as shown.
Patent GB-554423-A (GB)
Title: Improvements in or relating to landing gear for aircraft
IPC: B64C25/50
Filed: 1942-03-20
Abstract: 554,423. Hydro-pneumatic shock-absorbers. AUTOMOTIVE PRODUCTS CO., Ltd., and FOSTER, S. March 20, 1942, No. 3744. [Class 108 (iii)] [Also in Group XXXIII] A resilient telescopic strut comprising a plunger 11, for carrying a landing element, slidable and rotatable in a cylinder 10 fixed to the aircraft, is fitted with a friction brake arranged between a fixed abutment in the cylinder and a piston 34, coupled to the plunger for rotational movement with it, and subjected to the pressure of the resilient means in order to damp shimmy of the landing element, an abutment 32 coupled to the plunger 11 being adapted to engage a sleeve 35 on the piston 34, when the strut is fully extended, to prevent pressure from being transmitted to the brake. The plunger 11 has a floating piston 15 beneath which compressed air is confined, the space above it and the cylinder 10 being filled with oil which is forced through restricted passages 16 in a head 22 on the plunger as the plunger moves. A ring 17 with smaller passages 18 seats over the lower ends of the passages 16 when the head 12 descends. A tube 26 having a flange 27 at its lower end has external ribs engaging corresponding grooves in the head 22 and in the piston 34, and the upper end of the tube carries a centring cam 28 co-operating with a cam 30 on a stem 31 secured to the abutment 32 which can slide but not rotate in the cylinder. A spring 33 presses the cams together at all times. A multiple disc brake 41, 42 is mounted between the piston 34 and the fixed abutment to resist relative rotation, the effectiveness of the brake varying with the load on the landing element. When the plunger 11 extends outwards the head 22 engages the flange 27 on the tube 26 and the abutment 32 is drawn down into contact with the sleeve 35 on the piston 34 and the pressure on the brake is relieved. A flange 45 on the abutment 32 limits its downward movement.
Patent GB-1371531-A (GB)
Title: Tractor hitching device
IPC: A01B59/043
Filed: 1972-02-02
Abstract: 1371531 Coupling implements to tractors JOHN H TAYLOR Ltd 2 Feb 1972 [4 Feb 1971] 3905/71 Heading A1P A drawbar 23 of a tractor is held in position adjacent transverse member 1 by lugs 5 and lower retainer lever 11, and tractor top link 24 is held in slot 4 by retainer lever 12. Lower linkage arms 21, 22 are positioned between end plates 6 and stop plates 7 which are fixedly attached to transverse member 1. A spindle 10, which carries the retainer levers 11, 12, is provided beside pillar 2 and to it is attached operating arm 13 by which the retainer levers can be manually moved into or out of locking position. The device which is hitched to the tractor is shown in Fig. 1 attached to a yard scraper, and latch 31 holds support bar 43 of the yard scraper in position.
Patent GB-244394-A (GB)
Title: Improvements in two-wire amplifiers
IPC: H03F3/64
Filed: 1925-02-12
Abstract: 244,394. Keller, H. Dec. 10, 1924, [Convention date]. Repeating and amplifying systems.- Relates to improved circuits for a two-wire two-way repeater in which a single amplifier serves for transmission in both directions. Incoming currents are conveyed through the input transformer II to the primary windings a - - d of the transformer VU in series, the secondary winding g being connected to the grid of an amplifying valve KL. The amplified currents pass through the valve transformer NU to the primary windings of the transformer III in parallel circuits, which balance as regards the transformers VU, II, and thence to the output transformer I. The secondary windings of the transformer III are excited by the incoming currents by way of the transformer I and act as a choke-coil. A third winding of the valve-transformer NU may be connected to an operator's telephone set. Instead of the single valve KL, several valves connected in parallel may be employed. It is found that balancing networks are unnecessary except when the characteristics of the lines differ considerably, and simple balancing circuits are suggested for this case.
Patent GB-968089-A (GB)
Title: A method of making a cement joint between an externally screw threaded carbon member and an internally screw threaded carbon electrode
IPC: H05B7/14
Filed: 1961-02-02
Abstract: <PICT:0968089/C1/1> <PICT:0968089/C1/2> A cement joint is made between an externally screw-threaded carbon member and an internally screw-threaded carbon electrode by applying, before the member is screwed to the electrode, a quantity of cement which is plastic on application to an area of the screw-thread of the member and/or electrode which is equal in length in the axial direction to a few, e.g. 4, screw-threaded turns and is transversely of the same or smaller width as the length.  The cement may be expressed from a bag or tube, e.g. of polythene, of which the contents are sufficient for the quantity to be applied.  The cement may be introduced, e.g. in the bag, into recesses, e.g. round, square, or elongated-rectangle, in the threads and which may extend 2-4 threads of the member and/or electrode.  The screw-thread turn adjacent the butt end may remain free from cement.  The depth of the recesses may be not greater than the depth of the threads.  The first 4 or more turns of the threads of the member and electrode may be profiled or corrugated starting from the base of the thread socket.  The cement may consist of 40-60 parts of a polyformaldehyde resin, 30-50 parts pitch powder of softening point above 150 DEG  C. and 10-20 parts coke powder of mean grain size less than 100m  and which may harden at 100 DEG  C., and/or with a curing catalyst in the form of a capsule or tablet, which may be introduced into the recess in the threads.
Patent GB-1027035-A (GB)
Title: Cigarette or cigar holder
IPC: A24F13/06
Filed: 1963-01-31
Abstract: 1,027,035. Cigarette and cigar holders. FILTOX S.A. Jan. 31, 1963, No. 4085/63. Heading A2M. A cigarette or cigar holder has a cigarette or cigar holding cavity 3 provided with a projection b which engages a cap c<SP>1</SP> leaving a smoke passage 5 through the projection, a passage 9 between the projection and the cap, and an expansion chamber 7 through which the smoke passes between the outside of the cap and the holder casing. The smoke then passes through filter material 8 to the mouthpiece 1. In alternative embodiments the passages 9 are replaced by grooves in the projection b (Figs. 6, 7, 13 and 13, not shown), or by a spiral passage around the projection (Fig. 5, not shown). In further embodiments a tortuous path is provided for the smoke by partitions formed on the cap (Figs. 10 and 11 not shown), or by a plurality of studs located between the projection and the cap (Figs. 14 and 15 not shown).
Patent GB-715643-A (GB)
Title: Improvements relating to the manufacture of seamless tubes
Inventor: SEVERIN JOSE
IPC: B21C1/26
Filed: 1952-02-15
Abstract: 715,643. Making seamless tubes. KOCKS GES., F. Feb. 15, 1952, No. 4136/52. Classes 83 (2) and 83 (4). Drawing; Stamping.-In a method of making seamless tubes of length longer than is normally possible on a push bench, rolls 7, mounted on the end of a push'bench, grip the end of the formed tube 2 as it emerges from the die set 4 and draw the remainder of the length of the tube through the dies. A blank of length greater than 5-7 times the diameter of the central hole for the mandrel is pushed through the dies by a mandrel 5 of sufficient length for a longer tube, the push-rod 3 being short and only of sufficient length for the end of the mandrel 5 to reach the rolls 7. The rolls 7 are driven through a free-wheel at a speed lower than that equivalent to the mandrel speed so that as the push-rod 3 is braked the rolls gradually take up the drive. The first pair of rolls 7 grip the tube and the second grip and deform it to an oval section, the final pair restore the shape and thereby free the tube from the mandrel. '
Patent GB-1421736-A (GB)
Title: Logarithmic amplifier
IPC: G06G7/24
Filed: 1972-01-28
Abstract: 1421736 Logarithmic amplifier circuits WEIR ELECTRONICS Ltd and J D WATSON 1 Jan 1973 [28 Jan 1972] 4147/72 Heading G4G A logarithmic amplifier circuit comprises an amplifier A1 and a capacitor C1 which is charged by a reference voltage V 2  and then allowed to discharge exponentially through R1, the amplifier being arranged, e.g. by being operated in a saturated mode, to provide a constant output until the discharging potential falls to a level determined by an input signal V 1 , the duration of the output being then proportional to the logarithm of the input voltage. While C1 is being charged a feedback path through R2 charges capacitor C2 to compensate for amplifier off-set. In Fig. 4 (not shown) a generally similar circuit provides an output proportional to the logarithm of two input voltages which are alternately applied in place of V 1  and during the application of one of them the output of the amplifier is inverted. It is shown that the average output will give the required logarithmic function. Fig. 5 (not shown) is a current input signal embodiment in which a capacitor (C1) is charged to a reference level then discharged through a resistor (R1) to a junction which also receives the input current signal. Depending on the difference between the capacitor discharge current and the input signal current a feedback current will flow through one of two reverse-parallel connected diodes (MR1, MR2) connected as a feedback path to the inverting input of an amplifier (A1) which is also connected to the junction. The output of the amplifier will change state when conduction switches from one diode to the other, the change being dependent on the offset voltages of the diodes. The time duration of the output states are shown to give the required logarithmic relationship with the input signal current.
Patent GB-373167-A (GB)
Title: Improvements in or relating to manufacture of hollow drill steel
IPC: B23P19/02
Filed: 1931-02-10
Abstract: A core for use in making hollow drill steel by rolling or drawing down a hollow billet consists of steel containing 0,1 per cent of carbon, 0,3 per cent of silicon, 0,5 per cent of manganese and 5 per cent of nickel, or of steel containing 0,35 per cent of carbon, 4 per cent of nickel and 1,5 per cent of chromium.