baber/WOPTO huggingface dataset:
Patent GB-575463-A (GB)
Title: Improvements in and relating to means for the measurement of magnetic field intensities
IPC: G01R33/028
Filed: 1944-03-18
Abstract: 575,463. Magnetic measurements. HUGHES & SON, Ltd., H., SMITH, E., and HUGHES, A. J. March 18, 1944, No. 5064. [Class 37] A square alternating current bridge network having arms composed of nickel iron alloy wires, as described in Specification 563,522 is arranged for the measurement of the total field intensity and the two rectangular components thereof by surrounding the alloy wires by solenoids through which a measured direct current may be passed. The four wires d of magnetically sensitive alloy are arranged at right angles to form a bridge network to one diagonal of which an alternating current source z is connected. The other diagonal is connected to an amplifier and indicating instrument u. Solenoids f<1>, f<2>, f<3>, f<4> surround the wires d and opposite pairs are connected in series so as to produce magnetic fields in the same direction. Energising current for the solenoids f<1>, f<4> is supplied by a battery n and can be varied by an adjustable resistance o and a reversing switchp. Measurement is effected by apotentiometer comprising a standard cell g. resistances r, r<1>, r<2> and a galvanometer s. The solenoids f<1>,f<4>arewound on tubes enclosing the alloy wires d and are mounted in grooves in an insulating disc arranged to be adjustable about vertical and horizontal axes, one parallel pair being mounted on one side of the disc and the other pair on the other side. Each alloy wire d is supported in a straight groove in which it is disposed without constraint. The disc is enclosed in a polished non-magnetic metal case with a lining of cork, baize, felt or other thermal insulator. To measure the total field intensity the disc is set in a vertical plane parallel to the magnetic meridian and the bridge is balanced by turning about the horizontal axis. A measured current is then passed through the solenoids f<1>, f<4>, and the disc is rotated to restore balance. The total field intensity may then be deduced from the amount of this adjustment and the value of the current. To compensate for mechanical imperfections the switch p is reversed and the amount of rotation of the disc in the opposite direction for balance is observed. The mean of the readings in opposite directions is used. To measure the vertical component the disc is set in a vertical plane perpendicular to the magnetic meridian with the pivotal axis vertical and balanced. The solenoids are energised and the balance is restored by rotation in the meridian plane, the switch p is reversed and balance again restored, the mean of the angular adjustment being taken and used to calculate the vertical component. For measuring the horizontal component the apparatus is similarly set up, restoration of balance being effected by rotation in azimuth.
Patent GB-1447493-A (GB)
Title: Coated synthetic film materials electric circuit arrangements for energising electromagnetic
IPC: C08J7/04
Filed: 1973-02-01
Abstract: 1447493 Coated styrene polymer film IMPERIAL CHEMICAL INDUSTRIES Ltd 10 Jan 1974 [1 Feb 1973] 5089/73 Heading B2E [Also in Division G2] A light-transmitting coated film material is produced by treating the surface of a styrene homo-polymer or copolymer film with a solvent for the film, drying the surface, subjecting it to a corona discharge treatment, and coating it with a gelatin-containing layer. The film is of polystyrene or styrene/butadiene and/or acrylonitrile copolymer and may be biaxially oriented. The solvent is applied by dipping or roller coating and may be methyl ethyl ketone, toluene, 1, 1, 1-trichloroethane, acetone, methylene chloride, methyl acetate or ethyl acetate. A gelatin-containing anti-halation or light-sensitive layer, especially a gelatin-silver halide layer, may be applied either directly to the treated surface of the film, or after application of a gelatin subbing layer by dip, roller or shot coating of an aqueous or organic, solution of gelatin.
Patent GB-418624-A (GB)
Title: Improvements in or relating to photographic film packs
IPC: G03B17/34
Filed: 1934-02-15
Abstract: 418,624. Film packs. SHEPHERD, F. J., Kilcorrel, Flower Lane, Mill Hill, London. Feb. 15, 1934, No. 5097. (Class 98 (i).] In a film pack of the type in which the films 5 are transferred from the front compartment 12 to the rear compartment 13 of a casing 9 around the lower, rounded end 10 of a partition 11 by means of draw tabs 8 to which the films are secured by a strip of adhesive tape &c., the strip is made of such width as to extend around the end 10 when the film is in the exposure position in order to minimize risk of detachment of the leading end of the strip when the tab is pulled. As shown, the strip is T-shaped and comprises a broader portion 14 attached to the film 5 and a narrower portion 15 attached to the tab 8.
Patent GB-705340-A (GB)
Title: Improvements in toy electric motors
IPC: H02K1/17
Filed: 1952-02-27
Abstract: 705,340. Electric motors. BELIAEFF, S. B. Feb. 27, 1952, No. 5172/52. Class 35 A toy permanent magnet motor comprises a housing H consisting of sheet metal magnetic members 12 having segmentally curved portions 14 serving as pole-pieces and end plates 18 of non-magnetic and non-conductive material. The members 12 have base portions 16 between which a magnet 28 is fitted. The end plates 18 have apertures 35' acting as bearings and also have projections 22, 24 to engage openings 26, 27 in the members 12. The armature has a disc 56 of insulating material supporting three flat sheet commutator sectors 60 against which a pair of resilient brushes 33 bear.
Patent GB-463289-A (GB)
Title: Improvements in or relating to machines for capping and sealing bottles, jars, and like containers
IPC: B67B3/04
Filed: 1936-02-20
Abstract: <PICT:0463289/III/1> Apparatus for sealing bottles, jars, and like containers comprises means for advancing a bottle &c. to capping and sealing position, means for feeding a continuous length of cap-forming sheet or strip over the mouth of the container, and means, actuated by the movement of the bottle into capping and sealing position, for rendering said sheet or strip-feeding means operative.  As shown the bottles are fed successively by a reciprocating bar 17, Fig. 1, carrying pivoted bottle-engaging arms 18 to a position between a pair of forked members 46 which are pivoted to the frame member 11 and actuated by cam projections 50 on discs 36 at the sides of the frame to embrace the neck of the bottle and deposit adhesive thereon, the adhesive being supplied from a reservoir 45 through pipes 47, leading to absorbent pads in the members 46; the discs 36 are secured to a shaft 37 driven in any suitable manner.  The bottle then moves towards the capping and sealing position.
Patent GB-553933-A (GB)
Title: A lathe chuck
IPC: B23B31/20
Filed: 1942-04-18
Abstract: 553,933. Chucks. FAIRBURN, J. April 18, 1942, No. 5175. [Class 83 (iii)] ] Bevel closing chucks are arranged so that the whole diameter of the spindle bore is available for stock, the chuck being operated by levers directly engaging the jaws or collets. A cast iron body A is mounted on the spindle nose either directly or through a back plate and has a taper bore a to receive the collet B which, as shown, may be in three sections fitted with an expanding spring C. A cast iron ring D mounted on the body is backed up by a screwed adjusting ring F and has slots d in which bell crank levers E are pivoted. The shorter arms E<SP>1</SP> project through slots in the body A into holes in the section B. Rollers E<SP>3</SP> on the longer arms are engaged by a cam sleeve G<SP>1</SP> traversed by a yoke ring M<SP>1</SP>. The body is reinforced by a screwed-on, flanged ring H and fitted with a shrunk-on steel sleeve J that encases the bell cranks. The trunnions M on the yoke ring may be engaged by a hand operated yoke lever or may carry die blocks sliding in slots P<SP>2</SP> in lever P<SP>1</SP> slotted to engage fixed pins Q<SP>1</SP> and bored to receive eccentrics N<SP>1</SP> on a shaft N fitted with hand lever N2. Needle or similar roller bearings P are fitted.
Patent GB-947634-A (GB)
Title: Process for the production of phosphorus compounds and their use in fire-proofing
Inventor: BILGER XAVIER
IPC: C07F9/06
Filed: 1960-02-15
Abstract: A phosphorus compound is obtained by reacting an intermediate of formula PnNn-1 Cl2n+3 where n is an integer of at least 2 with methyl alcohol and then with ammonia. The reaction with methanol may be effected between -20 and +50 DEG C.; a solvent may be used; the ammonia is preferably anhydrous, gaseous or in solution.  Preferably the ratio gram molecules NH3: gram molecules P is between 1 and 4. The products may have the schematic formula: PnNn-1Clx(NH2)y(OCH3) z where x+y+z=2n+3, some or all of the chlorine in the intermediate being replaced by NH2 and OCH3.  The intermediates are obtainable by the reaction of PCl5 with anhydrous NH3 or NH4 Cl (see Specification 865,396 [Group III] and French Specification 1,157,097).  The products are used in fireproofing cellulose fibres (see Division D1).ALSO:Fibrous cellulosic material is fireproofed by treatment with an aqueous solution of a phosphorus compound prepared by reacting the intermediate compound PnNn - 1 Cl2n + 3 (from PCl5 and anhydrous Nh3 or NH4Cl) where n is an integer of at least 2 with methyl alcohol and then ammonia (see Division C2), drying the treated fibrous material at or below 100 DEG C. and then heating it above 100 DEG C.  The products may be of type Pn Nn - 1 Clx (NH2)y (OCH3)z where x + y + z = 2n + 3, some or all of the chlorine in the intermediates being replaced.  Unfixed substances may be removed from the fibres by rinsing in water.  The treating solution may also contain softening agents, water repellants, fungicidal agents or buffers, the latter including alkali metal salts or acetic, boric, phosphoric, pyrophosphoric, metaphosphoric, thiocyanic or fluoboric acids, formamide, hydrazine, urea, thiourea, cyanamide and hexamethylenetetramine. Specification 865,396 and French Specification 1,157,097 are referred to.
Patent GB-1384633-A (GB)
Title: Disc brake
IPC: F16D55/228
Filed: 1972-02-04
Abstract: 1384633 Disc brakes; pad assemblies PONT-A-MOUSSON SA 4 Feb 1972 [12 Feb 1971] 5279/72 Heading F2E A disc brake has a fixed caliper 2 which carries on each side of the disc 1 a plurality (e.g. three), brake applying cylinders 9 and pistons 10, and there is also provided on each side of the disc 1 a respective support plate 12 mounted on withdrawable pins 11 carried by the caliper 2 which support plates 12 each have a plurality (e.g. three), of small friction pads 16 secured thereto. In the embodiment of Figs. 1-5, fluid actuation of the pistons 10 urges each support plate 12 towards the disc 1 to cause the pads 16 to brake disc 1, the pads 16 being adhered or moulded to back plates 17 which receive lugs 15 of the support plate 12. The pins 11 are detachably mounted in bosses 18 adjacent the ends of the caliper 2 and the plate 12 slides on the pins 11 during brake actuation, bushes 14 being interposed between the pins 11 and the support plate 12. Each pin 11 is held in the boss 18 by a spring 20 engaged in a recess 23 in the head of the pin 11. The pins 11 can be withdrawn by turning the spring 20 through a quarter of a revolution. This allows the support plates 12 to be rotated circumferentially and the pads 16 can be removed individually for replacement; during removal the pads 16 are tilted so as to pass between the rim 3 of a wheel and the outer face 6 of the disc 1. In the embodiment of Figs. 6-8 (not shown), the springs 20 are replaced by split rings (24 or 24a), secured to the boss (18) of the caliper (2) by one or more removable screws (27, 27a). In the embodiment of Fig. 9, each of the pins 11 located in the space B has a helical groove 30 into which the teat of a teat-screw 31 extends. The pin 11 has apertures selectively engageable by a spring-biased ball 35, and the pin 11 is axially displaced by rotation to retain or release the plate 12. In space A a screw 38 engaging a rack 39 on the pin 11 is rotatable to displace the pin 11.  In the embodiment of Fig. 10 (not shown), each pin (11) in space B has a screw threaded portion (40) which is screwed into or out of a fixed nut (41). In space A each pin 11 has teeth (42) meshing with a gear wheel (45) which is drivable to rotate the pin (11) and move it axially. The embodiment of Fig. 11, has a support plate 48 which is fixed in position on the pins 11. It has apertures 49 in alignment with each brake applying piston so that the pistons extend through the support plate 48 and bear directly against each friction pad 16. Abutments 50 fixed to the support plate 48 take the braking reaction.
Patent GB-199761-A (GB)
Title: Improvements in or relating to kinematographs
IPC: G03B1/18
Filed: 1922-02-23
Abstract: 199,761. Gwozdz, B. Feb. 23, 1922. Kinematograph apparatus.-The toothed discs of sprocket wheels are mounted so as to be capable of independent rotation and are interconnected by means of a differential gear. As shown in Fig. 1, the discs 2, 3 are formed with hubs 8, 9 having bevel wheels 10, 11 and are separately rotatable on a shaft 1. A ring 5 secured to the shaft carries bevel wheels 7 which mesh with the wheels 10, 11 to constitute a differential gear. The disc 2 may be held against a flange 12 formed on the shaft 1 and be connected to it by springs pulling in opposite directions and adjustable in tension. The construction shown in Fig. 1 may be modified by stepping the shaft 1 and securing the ring 5 to a sleeve which surrounds the shaft beneath the hub 9. In an alternative construction the bevel wheels 7 are replaced by double-armed levers which are pivoted on the ring 5 and engage the bevel wheels 10, 11 or slots in projections formed on the sleeves 8, 9. Fig. 6 shows a construction particularly suitable for intermittent and other small sprockets comprising a sleeve 14 secured to the shaft and having a collar 15 against which the ends of the hubs 8, 9 bear. The hubs 8, 9 are provided with collars, and rocker arms 16 rest in recesses in these collars and in the collar 15. Springs 13 engage between radial projections on the disc 2 and a flange 12. In a modification of this construction the arms 16 are replaced by straight-sided arms and balls are provided within the recesses on each side of the arms.
Patent GB-162460-A (GB)
Title: Improvements in connection with flushing cisterns
IPC: E03D1/05
Filed: 1920-02-23
Abstract: 162,460. Giles, C. Feb. 23, 1920. Float valves.-Flushing apparatus of the kind in which a movable bell surrounded by a float .connected to the supply valve is provided with a plate d having a number of holes e for the adjustable connection of the inlet valve lever g.
Patent GB-1246385-A (GB)
Title: Thermal insulating tubing
Inventor: MIHAILESCU PETRE
IPC: F16L15/08
Filed: 1969-01-31
Abstract: 1,246,385. Pipe joints; heat-insulated pipes. MINISTERUL PETROLULUI. 31 Jan., 1969, No. 5466/69. Headings F2G and F2P. Thermally-insulated tubing for introducing hot fluids into oil-bearing strata comprises a plurality of tubing sections each having inner and outer walls la, 2a with thermal insulation 3a in the space between the walls, the outer walls 1a, 1b of adjacent sections being connected by coupling sleeves 9 and, to allow for thermal expansion, the inner wall 2a of each section is fixed to the outer wall la at one end and is free at the other end to slide within the fixed end of the inner wall 2b of the next section. As shown, the ends of the walls la, 1b are separated by a gap which is filled with thermal insulation 8; a washer 5 is welded to the wall la and a bushing 6 is screwed into that wall at the lower end of each section, the space between the washer and bushing being filled with thermal insulation 7. A washer 4 is welded to the upper ends of the walls 1b, 2b of each section.
Patent GB-432289-A (GB)
Title: Improvements in hydraulically operated tile and like presses
IPC: B30B1/00
Filed: 1934-02-20
Abstract: 432,289. Hydraulic presses. COLLING- HAM, E. B., and OWEN, C. J. A., c/o Colling- ham & Owen, Ltd., Windsor Street, Beeston, Nottinghamshire. Feb. 20, 1934, No. 5533. [Class 69 (ii)] A hydraulic moulding-press has upper and lower rams disposed in cylinders connected to separate cylinders fitted with mechanically operated rams and constituting two distinct closed hydraulic systems. The cylinder B, Fig. 1, of the lower ram A is connected to a cylinder C fitted with a ram C<1> operated from a cam G. Springs D<2> prevent damage due to excessive pressure, and the return stroke of the ram C<1> is stopped by a buffer spring R<2> on a stop screw R<1>. The cylinder J<2> of the upper ram J is connected to a cylinder K, Fig. 2, containing a ram K<1> operated by a cam K<2> and composed of parts acted on by a spring K<4>. The rams A, J are acted on by springs N which effect the return stroke when a non-return valve P is opened by a cam O. A pump L delivers to a passage B<1>, and also to a pipe B<3> when a valve B<4> is lifted by the ram A through a rod B<6>. The ram J opens a relief valve T at the end of its down travel. Sleeves S, S<1> protect the portions of the rams A, J which move in and out of the cylinders from dust &c., and a casing R, which may be partially oil-filled encloses the mechanism operating the rams C<1>, K<1>. A lever X may be operated to throw out a driving clutch by moving a projection X<1> into the path of an arm X<2> on the driving shaft L<4> of the pump L.
Patent GB-1498274-A (GB)
Title: Manufacture of flat glass
IPC: C03B5/26
Filed: 1975-02-10
Abstract: 1498274 Float glass process PPG INDUSTRIES Inc 10 Feb 1975 [27 March 1974] 5534/75 Heading ClM In a float glass process in which molten glass 33 is passed over a threshold member 23 and on to the float bath 35, the threshold member has a convex upper surface. The upper surface may be curved or, as shown, consist of three planar surfaces 41,43,45.
Patent GB-137666-A (GB)
Title: Improvements in window ventilators
IPC: E06B7/03
Filed: 1919-03-06
Abstract: 137,666. Long, C. R. A. March 6, 1919. Ventilators.-A window ventilator, of the type adapted to be mounted between the sill and the lower edge of the sash, consists of a chamber 3<1> having a facing-plate 1 the projecting ends of which extend into the sash casing and are gripped between the front face of the sash and. the front beading of the jamb. Extension-pieces 12 sliding on the ends of the plate 1 enable the apparatus to be fitted to windows of different widths. The air enters screened openings 2 in the face-plate 1. is deflected upwards by a baffle 8, and passes into the room through openings 7, which are regulated by a plate 6 capable of movement towards and from the facing-plate 1. The height of the apparatus is such that, when it is in position, the top rail of the lower sash still overlaps the lower rail of the top sash, in order to avoid admission of air at this point.
Patent GB-525444-A (GB)
Title: Improvements relating to the treatment of hydrocarbons with adsorptive catalysts
IPC: C10G11/04
Filed: 1939-02-21
Abstract: 525,444. Cracking hydrocarbons; catalytic agents. STANDARD OIL DEVELOPMENT CO. Feb. 21, 1939, No. 5762. Convention date, March 29, 1938. [Classes 1 (i) and 32] A catalyst for cracking hydrocarbon oils is prepared by treating a base-exchange compound containing silica and alumina with acid until the exchangeable base is completely removed, the ratio of silica to alumina is between 5 to 1 and 20 to 1, and the apparent density of the product after heating to 800-100‹ F. is between 0.4 and 0.8.
Patent GB-800239-A (GB)
Title: Improvements in or relating to frequency stabilisers and monitors
Inventor: LEA NORMAN
IPC: H03L7/02
Filed: 1956-02-24
Abstract: 800,239. Automatic frequency control systems. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. Oct. 24, 1956 [Feb. 24, 1956], No. 5789/56. Addition to 741,867. Drawings to Specification. Class 38 (4). In a modification of the bridge stabilized oscillator of the parent Specification the resistors in adjacent bridge arms are replaced by reactances, e.g. capacitors, to diminish loading of the oscillator by the bridge and increase stability.
Patent GB-763981-A (GB)
Title: Improvements in or relating to composition and process for electroplating bright nickel
IPC: C25D3/18
Filed: 1954-03-01
Abstract: Phthalide (and similarly benzisobenzofuranones) is sulphonated by heating at 120 DEG  C. with five parts by weight of 20 per cent fuming sulphuric acid, the sodium salt being isolated by pouring the product into cold brine while the sulphonic acid may be freed from excess sulphuric acid by the addition of a base or basic salt. Phthalide probably gives a mixture of 4- and 7-phthalide sulphonic acids, 6,9-benz-1(3)-isobenzofuranone a mixture of 6- and 9-benzisobenzofuranone sulphonic acids, and 5,8-benz-1(3)-isobenzofuranone a mixture of 5- and 8-benz-isobenzofuranone sulphonic acids.
Patent GB-526878-A (GB)
Title: Improvements in driving mechanisms, particularly adapted for the tuning elements of radio receivers
IPC: H03J1/18
Filed: 1939-02-22
Abstract: 526,878. Friction gearing; adjusting wireless apparatus. BRITISH THOMSON-HOUSTON CO.. Ltd. Feb. 22, 1939, No. 5906. Convention date, Feb. 23, 1938. [Class 80 (i)] [Also in Groups XXXVI and XL] A mechanical drive for a rotatable driven member comprises a first driving member normally connected in driving relation to the driven member, a second driving member normally disconnected from but connectable in driving relation with the driven member the second driving member having an actuating electric motor connected thereto ; and means responsive to the energization of the motor for displacing axially the driving members thereby changing the driving connection of the driven member from the first to the second driving member. As applied to the drive for a variable condenser or like tuning element 10, the condenser shaft 11 carries a friction gear 12 to the periphery of which friction material 14, e.g., of soft rubber may be applied. The gear 12 may be actuated manually by a friction gear 25 on a shaft 20, provided with a knob 19, the gear being normally kept in contact with the gear 12 by a spring 26. The gear 12, which may be of two diameters 27, 28 to give different ratios of drive, may also be driven by a motor 29 the armature shaft 35 of which carries a coned gear 37 normally out of engagement with the gear 12 but abutting the coned gear 25. With the motor de-energized, the spring 26 urges the cone 25 into engagement with the gear 12, the cone 27 being separated therefrom. When the motor is energized, the armature is moved to the left to bring the cone 37 into engagement with the gear 12, the cone 25 being simultaneously moved out of engagement therewith. The armature does not move into exact alignment with the poles 32, since a slight displacement to the right is necessary to produce axial thrust on the cone 37. Upon de-energizing of the motor the spring 26 quickly causes separation of the gear members 37, 12 so that momentum of the armature does not carry the shaft 11 beyond the desired position. Instead of friction gearing, toothed gearing and clutches may be employed. Further, instead of the gears 25, 37 abutting one another, they may be integral or be connected by linkwork.
Patent GB-114354-A (GB)
Title: An Improved Holder for Badges, Buttons and the like.
IPC: A44C3/00
Filed: 1917-04-27
Abstract: 114,354. Gaunt & Son, J. R., and Livingston, E. O. April 27, 1917. Buttons and buttonfasteners; studs and solitaires. -- A device for retaining in the button-hole a badge, button, &c., of the " solitaire " type having a shank rectangular in cross-section and a crescent - shaped back plate, comprises a metal plate A, which is provided with an open slot 1 adapted to receive the shank 3 of the badge, &c., Fig. 4, and with a member for closing the open end of the slot. This member comprises a second slotted plate B, Fig. 2, pivoted at 6 to the plate A, or a sliding member 7, Fig. 4, slotted at 10 to work on a projection H stamped up from the plate A. In a further modification (not shown), the closing member comprises a pin sliding in ears stamped up from the plate A on opposite sides of the slot 1.