baber/WOPTO huggingface dataset:
Patent GB-363345-A (GB)
Title: Improvements in or relating to resinous condensation products and process of making same
IPC: C08G63/48
Filed: 1930-06-12
Abstract: A resinous condensation product derived from a polyhydric alcohol and a polybasic acid is modified by oxidized fatty acids obtained from drying or semidrying oils such as linseed oil, chinawood oil, fish oil, or soya bean oil.  Alcohols used may be ethylene glycol, diethylene glycol or other polyhydric alcohols or mixtures thereof; the polybasic acids may be malic acid, citric acid, succinic acid, or mixtures thereof.  The oxidized fatty acids are obtained by blowing air through the fatty acids at a comparatively low temperature for a period depending on the degree of flexibility desired in the final product.  In producing a plastic binder substantially completely oxidized linseed oil fatty acids are added to a resin derived from glycerine and phthalic anhydride, whilst in making a paint a larger quantity of partially oxidized linseed oil fatty acids obtained by blowing the fatty acids for 12 hours at 70 DEG  C. are added to a mixture of glycerine and phthalic anhydride to obtain the resinous product.  The resin may be dissolved to form a paint or varnish in solvents such as the ethers of ethylene or diethylene glycol. ethyl lactate, ethylene dichloride, solvent naphtha or mixtures thereof. The plastic binder may be used in forming composition tiles such as cork tiles and floor coverings such as linoleum.  Specification 360,930 is referred to.ALSO:A resinous condensation product derived from a polyhydric alcohol and a polybasic acid is modified by oxidized fatty acids obtained from drying or semidrying oils such as linseed oil, chinawood oil, fish oil or soya bean oil.  Alcohols used may be ethylene glycol, diethylene glycol or other polyhydric alcohols or mixtures thereof; the polybasic acids may be oxalic acid, citric acid, succinic acid or mixtures thereof.  The oxidized fatty acids are obtained by blowing air through the fatty acids at a comparatively low temperature for a period depending on the degree of flexibility desired in the final product.  In producing a plastic binder substantially completely oxidized linseed oil fatty acids are added to a resin derived from glycerine and phthalic anhydride whilst in making a paint a larger quantity of partially oxidized linseed oil fatty acids, obtained by blowing the fatty acids for 12 hours at 70 DEG  C., are added to a mixture of glycerine and phthalic anhydride to obtain the resinous product.  The resin may be dissolved to form a paint or varnish in solvents such as the ethers of ethylene or diethylene glycol, ethyl lactate, ethylene dichloride, solvent naphtha or mixtures thereof.  The plastic binder may be used in forming composition tiles such as cork tiles and floor coverings such as linoleum.  Specification 360,930 is referred to.
Patent GB-1451994-A (GB)
Title: Method and apparatus for cutting and applying patches
IPC: B31B1/82
Filed: 1974-04-25
Abstract: 1451994 Applying patches to webs; sheet ordering apparatus F L SMITHE MACHINE CO Inc 25 April 1974 [20 July 1973] 18058/74 Headings B8F and B8R Apparatus for cutting patches 10, Fig. 2, e.g. window patches, from a first web 16 and applying the patches to a second web 12, e.g. an envelope web, comprises a first feed 18, 19 for feeding the first web along a first path at a first speed, a second feed 34 for feeding the second web along a second path at a second speed, a cutting device 26, 27 disposed in the feed path of the first web, separate first and second drives 54, D to respectively drive the feeds and the cutting device independently of each other, and a transfer device 28, 29 to transfer the cut patches to the second web. A cutter cylinder 24 has a movable knife plate 26 which co-operates with a stationary knife plate 27 and is driven by a drive D at a speed faster than the web 16. The cutter cylinder has a speed slower than a transfer cylinder 28 which has a speed equal to the travelling speed of the web 12. The transfer cylinder transfers the cut patch to a second transfer cylinder 29 which in turn applies the patch to the web 12 on a cylinder 34. The cylinders 28, 29, 34 are controlled by gear drives (28G), (29G), (34G), Fig. 3 (not shown), and through a drive 54 are driven at the same speed which is proportional to the speed of rollers 18, 19. Cylinders 28, 29 are provided with vacuum ports 28M, 29P and vacuum manifolds 28V, 29M. Cylinder 24 is provided with a vacuum along the shaft 24V. The vacuum enables the patches to be gripped by the cylinders during cutting and transfer to the web 12. The feed cylinders 18, 19 are adjustable in circumferential speed to determine the length of patch which is held on the surface of the second transfer cylinder 29 by vacuum and transferred to a pre-gummed paper envelope web 12 tensioned about the cylinder 29.
Patent GB-1078965-A (GB)
Title: Improved cooling air blower arrangement of an air-cooled v-engine
IPC: F02B75/22
Filed: 1965-04-29
Abstract: 1,078,965. Air cooled engines; lubricating. TATRA NARODNI PODNIK. April 29, 1965 [May 6, 1964], No. 18073/65. Heading F1B. A cooling air blower is located between the two cylinder banks of an air-cooled V-engine, Figs. and 3 (not shown), with its axis of rotation inclined to the engine longitudinal axis. Air is supplied to the blower through an oil cooler (not shown) and a duct 24. The blower impeller is driven by a shaft 3 through bevel gearing 4, 8 and a shaft 19. The shaft 3 is driven by the engine through a fluid coupling (not shown) which is controlled from a thermostat. From a gallery 13, lubricating oil is supplied to a bearing 9 of the shaft 19 via ducts 14, 15 and returns to the crank-case 1 via an overflow hole 16 from a casing 7 enclosing the blower drive. A lubricating oil cooler (17) Fig. 1 (not shown) is situated at the entrance of the blower inlet duct 24.
Patent GB-690501-A (GB)
Title: Improvements in and relating to the production of artificial protein threads, fibres, filaments
Inventor: WORMELL ROBERT LOUIS
IPC: D01F4/00
Filed: 1950-07-20
Abstract: Artificial protein threads are produced by extruding an aqueous alkaline solution of a protein into an aqueous coagulating bath containing, per litre, not over 25 grams, preferably 5-15 grams, of sulphuric acid and aluminium sulphate chemically equivalent to at least 400 grams of crystalline aluminium sulphate (Al2(SO4)3.18H2O). The bath preferably also contains sodium sulphate and may also contain formaldehyde. The coagulating baths may be used for hardening and insolubilizing the threads.  The freshly extruded threads may be stretched while immersed in the coagulating bath so that stretching is effected during the initial stages of the hardening treatment. Hardening and insolubilizing may be carried out in one operation, preferably at 35-60 DEG  C.  In an example a solution of milk casein in dilute aqueous caustic soda solution is extruded into a coagulating bath containing, in each litre, 500 grams of aluminium sulphate (calculated as Al2(SO4)3.18H2O), 100 grams of sodium sulphate (calculated as Na2SO4), 10 grams of sulphuric acid and 10 grams of formaldehyde.  The freshly extruded threads are then collected into a tow which is stretched 500 per cent while wetted with the coagulating bath and hardened and insolubilized by immersion in a bath of the same composition for 2 hours at 50 DEG  C.  The tow is then washed in water and dried. In another example the procedure is repeated but 1 per cent of oleic acid is added to the spinning solution so that water-repellent aluminium oleate is formed in the fibres during spinning.  Specifications 483,731 and 483,809 are referred to.
Patent GB-475673-A (GB)
Title: Improvements in and relating to oscillation generators
IPC: H03B5/10
Filed: 1936-06-30
Abstract: 475,673. Valve generating circuits. TELEPHONE MANUFACTURING CO., Ltd., and PADDLE, L. H. June 30, 1936, No. 18120. Addition to 450,967. [Class 40 (v)] According to the parent invention, the grid-anode paths of a plurality of valves are connected in one series circuit; for instance, the grids of valves V1, V4 and V2, V3 are directly connected by conductors 1 and 2, the plates of valves V1, V2 are connected through the im pedance L1, C1, L1, anc the circuit is completec through the grids and plates of V3, V4, the oscillations being confined to the above circuit by high-frequency chokes hfc. If the plates of valves V3, V4 are connected directly as in the parent invention, loss of power occurs as a result of capacity between them. According to the present invention, this effect is neutralized by the insertion of an inductance L2 between the plates. The inductance L1 may consist of a half-turn of conductor or a Lecher wire split to receive a tuning-condenser C1. In a six-valve circuit two inductances L1 and L2 are used, but in an eight-valve circuit four such inductances are preferred. The valves are preferably of the type described in Specification 473,498.
Patent GB-192666-A (GB)
Title: Improvements in and relating to coin freed apparatus
IPC: G07F13/02
Filed: 1922-07-01
Abstract: 192,666. Stroud, W. H. July 1, 1922. Delivery from siphon.-In apparatus of the kind in which the siphon lever is locked by a bar sliding vertically in a tubular bracket upstanding from the base containing the coin-freed mechanism, the bar being freed by a coin disengaging a bell-crank lever from teeth on its foot and the operation of the bar discharging the coin, the siphon lever 8 is engaged by a member 7 projecting laterally from the vertical bar 6. The member 7 can be screwed into one of three sockets 9<a> - - 9c according to the height of the siphon. A sheet metal wall 33 surrounds the top plate 12 of the base to catch drips. Coin action, weight.-The coin 24 tips a bellcrank lever 18 to which is pivoted a pawl 16 engaging teeth 15 on an enlargement 14 of the bar 6. The pawl 16 is guided by a pivoted stirrup 21. The coin is retained on the lever 18 by a lateral pin 28 of a lever 26, the other end of which engages between strips 25 on the enlargement 14. Coin-discharging mechanism.-When the bar 6 is depressed a stop on the top of the strips 25 depresses the lever 26 and allows the coin to drop to the money-box 29.
Patent GB-670699-A (GB)
Title: Air-tight and gas-tight doors or closure members for furnaces and other openings
IPC: F27D1/18
Filed: 1948-07-06
Abstract: 670,699. Doors for resisting fluid pressure. SOC. CIVILE D'ETUDE DE FOURS POUR TRAITEMENTS THERMIQUES. July 6, 1948 [July 7, 1947], No. 18196/48. Class 123(i). [Also in Groups XII and XIII]. A rectangular door or closure member, which is slidable vertically to open and close an opening in a furnace or other structure, is provided with a sand or other granular seal between its periphery and the structure surrounding the opening, the horizontal parts of the seal being formed b y horizontal channels on the structure which are filled with sand &c. and adapted to receive flanges on the upper and lower ends of the door, and the vertical parts by members fitted to the sides of the door and opening which co-operate to form vertical channels which are filled with sand &c., after the door is closed. In the form shown the door F is formed with flanges 8 and 82- 84 which enter sand-filled channels 3 and 4 at the lower and upper ends of the opening, and with vertical flanges 81 passing between resilient blade elements 5, 6 which are fitted to the sides of the opening and make frictional contact with the sides of the door. After the door has been lowered, the vertical channels formed by the members 81 and elements 5, 6 are filled with sand from containers 1 fitted with delivery nozzles 10. When it is desired to open the door, the sand is emptied into further containers 1<SP>1</SP>. The pressure between the elements 5, 6 and the sides of the door may be increased by springs, Fig. 16 (not shown). Inspection openings are provided to enable further sand to be packed into the vertical channels if necessary, and an agitator 28, Fig. 15 (not shown), is positioned between the blade elements and may be operated to break up the sand prior to opening the door. Baffle plates are fitted in the channels 42-44 to prevent escape of sand. In a second form, the door is arranged within the furnace to open and close an opening in a partition wall, and is slidable in recesses at the sides of the opening.
Patent GB-875168-A (GB)
Title: Hydraulic torque converter
Inventor: DUNDORE MARVIN WALTER
IPC: F16H41/26
Filed: 1958-06-06
Abstract: 875,168. Hydraulic torque converters. TWIN DISC CLUTCH CO. June 6,1958, No. 18221/58. Class 69 (2). An hydrodynamic torque converter is designed to give an increase in the stall torque ratio, better low-speed ratio performance and a more rising impeller torque absorption curve than a conventional single-stage converter, and comprises an impeller 12, a turbine 17 splined to an output shaft 19 and a stator 22 fast with a stationary sleeve 24. The impeller includes a core ring 14 and an end ring 13 which converge in the direction of liquid flow, and the turbine has core and end rings 20, 18 which diverge in the direction of flow, the rings 22, 25 of the stator are parallel, and the walls of all the core rings adjacent the blades are transverse to the converter axis. The converging walls of the impeller reduce as much as possible the pressure head which develops as liquid flows outwardly between the impeller blades. Liquid is bled off from the working chamber through a gap 29 between the stator and impeller, and passes through a pressure-regulating valve to a sump. The pressure-regulating valve maintains a pressure at the impeller inlet which reduces cavitation in the impeller. Liquid is drawn from the sump by an engine-driven pump and supplied through a cooler and a passage 34 to the working chamber between the turbine and stator. To prevent cavitation in passages 16, 27, between the impeller and turbine and between the stator and impeller respectively, the cross-sectional area of passage 16 is reduced towards the turbine, whilst that of the passage 27 is constant or slightly increased towards the pump. Two forms of impeller blade are described, a relatively low capacity blade and a high capacity blade which is longer and has a greater outlet angle than the other. The working liquid mass rotated by the impeller is substantially greater than that included within the turbine so that cessation of toroidal flow occurs at a speed ratio (turbine: impeller) greater than 1.
Patent GB-1111291-A (GB)
Title: Densitometric analyzer
IPC: G01N21/86
Filed: 1965-04-30
Abstract: 1,111,291. Densitometric analysis. G. COSCI. April 30, 1965 [April 30, 1964; March 4, 1965], No. 18234/65. Heading G1A. In a densitometric analysis arrangement for determining the amount of a substance on a support such as one deposited by electro-phoresis on, for example, a strip of paper on which different constituents are deposited in lines across the strip at different distances from the points of application of an electric current, the strip is repeatedly and periodically scanned by a narrow rectangular strip beam of light transverse to the slip, and changes of light intensity passing through the strip are detected by a photo-cell, amplified and integrated, and applied for display on a cathode ray tube. The strip is mounted as a band on a glass drum rotatable by a synchronous motor, and photo-cell 10, Fig. 1, within the drum is subjected to light from a source 7 passing through a narrow slit in an internal casing. The band of tape is joined at its ends by an opaque strip which serves as a zero light reference, and the output signal after amplification in a unit B Fig. 13 is is adjusted for zero. The signal is examined in a comparator D by the exponentially falling potential of a circuit H which is triggered by a bi-stable multi-vibrator G, the multi-vibrator being restored by an output from the comparator when the potentials are equal, and producing a square wave output of a duration which corresponds to the absorptivity of the deposit. The test frequency is controlled by a multi-vibrator F which is timed to scrutinise 0À5 m m strips of the band. The time-modulated square wave pulse has a. pulse time of t' subtracted from it from an adjustable zero absorption pulse generator and the output from the subtraction circuit is integrated and applied to the vertical deflection plates. The horizontal deflection generator which synchronises the sweep of the spot with the rotation of the drum serves also to cancel the integrated signal at the end of each sweep. A modified arrangement for the investigation of a deposited blood serum includes an arrangement for producing in response to the passage of the opaque sealing strip a series of synchronizing pulses whereby corresponding successive lengths of the strip or band in successive scans are synchronised, the horizontal sweep is started and stopped, and the analysis is initiated. Where albumen deposit is to be measured a reading may be obtained from a potentiometer setting.
Patent GB-579831-A (GB)
Title: Improvements in or relating to gun mountings
IPC: F41A9/54
Filed: 1943-11-03
Abstract: 579,831. Gun mountings. RICE, E. A. B., ROSE, A. G., CURTIS, S., NICHOLLS, K. H., and ROSE BROS. (GAINSBOROUGH), Ltd. Nov. 3, 1943, No. 18262. [Classes 92 (i) and 92 (ii)] Relates to aircraft mountings of the kind described in Specification 577,904 for a pair of automatic guns 11 carried for elevation in cradles 12 on a common support 13 rotated in bearings 14 by oil motors of the vane type embodied in the bearings. According to the present invention, the evacuation of the disintegrating links of the cartridge belt is facilitated by providing in the common support a pair of link guideways 22, one for each gun, which extend through the bearing members. A guide tray 23 attached to each gun serves, to receive the links for deflection to the atmosphere by way of the guideways 22 whilst permitting recoil of the guns in the cradles 12.
Patent GB-569181-A (GB)
Title: Device for honing blades of safety razors
IPC: B24D15/08
Filed: 1943-11-04
Abstract: 569,181. Sharpening razor blades. NASHASHIBI, I. B. Nov. 4,1943, No. 18316. Convention date, Nov. 30, 1942. [Class 60] A device for honing safety razor blades comprises a receptacle adapted for the accommodation of shaving utensils, for example, a brush, a razor, blades and soap, and having a part of its wall curved to a radius of 75 to 85 mm. As shown, the receptacle has two such curved walls 1 united by flat ends 2, the depth of the walls being slightly greater than the length of an ordinary blade ; in use the blade is pressed on to the curved surface and moved to and fro thereover. In modifications, the flat ends are replaced by rounded ends, the two curved walls may intersect at their ends, or one curved wall only may be used, the opposite wall being flat. A cover 3 may be provided.
Patent GB-911960-A (GB)
Title: Formaldehyde copolymers
IPC: C08G2/00
Filed: 1961-05-19
Abstract: A solid copolymer of formaldehyde and up to 50 mol. per cent of isobutylene, a vinyl ether, a vinyl nitrogen compound or an alkylene oxide.  The polymerization may take place in a liquid medium, e.g. one of the co-monomers or a hydrocarbon containing 3 to 10 carbon atoms, such as heptane, in the presence of a FriedelCrafts metal halide catalyst.  Specified comonomers include vinyl ethers in which the other constituent is methyl, isobutyl, 2-ethylhexyl, allyl or vinyl, N-vinyl carbazole, N-vinyl pyrrolidone, N-vinyl methyl formamide and ethylene oxide. Tin tetrachloride or -bromide and boron trifluoride are specified catalysts while a weakly basic material, e.g. an ether, may also be present.  The product may be acetylated. Specifications 753,299 and 770,717 are referred to.
Patent GB-1217997-A (GB)
Title: Improvements in or relating to vapour deposition of material
IPC: C23C14/54
Filed: 1969-04-10
Abstract: 1,217,997. Coating by evaporation or sputtering: magnetic alloy films. INTERNATIONAL BUSINESS MACHINES CORP. April 10, 1969 [April 25, 1968], No.18418/69. Headings C7A and C7F. [Also in Divisions G1, G2 and G3] The vapour deposition of a material on to a substrate e.g. from an evaporated or sputtered source, is monitored by photo-electric measurement of the absorption of radiation by the vapour stream. The signal is used to operate a movable shutter and control the temperature of the sources. A magnetic film of 75% Ni, 21% Fe and 4% Co may be, deposited. Other metals which may be used are aluminium, gold, copper chromium, germanium; non-metals mentioned are silicon and silicon monoxide. Helmholtz coils 11 control the magnetic film preferred axis.
Patent GB-403437-A (GB)
Title: Improvements in or relating to short wave oscillation generators
IPC: H03B9/01
Filed: 1933-06-28
Abstract: 403,437. Valve generating circuits. TELEFUNKEN GES. FUR DRAHTLOSE TELEGRAPHIE, 12, Hallesches Ufer, Berlin. June 28, 1933, No. 18422. Convention date, June 28, 1932. [Classes 39 (i) and 40 (v).] A short-wave oscillator employs a screengrid valve V, the oscillatory circuit being so connected across the anode 4 and the control grid 5 that the capacity between these electrodes is the sole frequency-determining capacity in the circuit. Supply voltages are fed through chokes 2, 3 on either side of a blocking condenser 1. The Specification indicates that the screen 6 should be so placed that the ratio of screen-anode capacity to screencontrol grid capacity is the same as the ratio of grid alternating-voltage to anode alternating- voltage. The screen then does not modify the high-frequency voltages in the valve, and does not affect the anode-control grid capacity. Formulµ are given for the spacing of the grids and anodes for valves with cylindrical or with plane electrodes.
Patent GB-219999-A (GB)
Title: Improvements relating to steam boilers
IPC: F22B37/10
Filed: 1924-08-01
Abstract: 219,999. International Combustion Engineering Corporation, (Assignees of Brunt, J. van, and Jackson, G. P.). Aug. 1, 1923, [Convcntion date]. Pulverulent-fuel furnaces.-In a water-tube boiler having a pulverulent fuel furnace, the headers 23, 24 of a water-tube screen 20 fitted in the bottom of the furnace chamber to cool the ashes are placed behind the bridge wall, and one of the headers has a down-take connection with a lower drum 26 and the other header has a discharge connection through the drum into the boiler upflow tubes. The tube 35 connecting the discharge tube 34 of the header 24 to one of the boiler upflow tubes 27 is connected at one end with either the discharge tube or the boiler tube and at the other end is in alignment with the other of these tubes. The tube 35 may project into the end of a boiler upflow tube. Fuel and air is directed downwardly into the furnace chamber from a burner 12, and air for secondary combustion is admitted through damper controlled openings 16 in the front of the chamber.