baber/WOPTO huggingface dataset:
Patent GB-680118-A (GB)
Title: Improvements in or relating to turbine and like blades
Inventor: SMITH AUSTIN GEOFFREY
IPC: F01D5/18
Filed: 1949-07-06
Abstract: 680,118. Turbine blades. POWER JETS (RESEARCH & DEVELOPMENT), Ltd. June 27, 1950 [July 6, 1949], No. 17900/49. Class 110 (iii) A turbine blade has a longitudinally-extending passage for the flow of coolant fluid and means which are formed separately from the blade are non-uniformly disposed along the passage in good heat-conducting relationship with the wall thereof so as to increase the heat conductance between the wall and the coolant fluid, the conductance varying progressively along the length of the passage. The heat conductance may increase progressively towards the tip end of the blade or the maximum heat conductance may be provided at a point between the root and tip. In Fig. 8 insert elements 12 are mounted on a rod 13 in the coolant passage and the elements which are spaced apart by means of spacers 15 are spaced more closely where the heat stress is greatest. The insert elements may also comprise perforated discs 7 alternating with imperforate discs 8 as in Fig. 2, the imperforate discs being located in the passage by radial arms 9. The elements may also comprise perforated discs or gauze discs located by means of copper brazing, or may be dished so that centrifugal force assists in their attachment. The coolant passages may be rectangular or triangular in shape as well as circular. A design formula is given. Specifications 641,146, 651,787 and 651,830 are referred to.
Patent GB-970328-A (GB)
Title: A method of heat transfer between gases and particulate solids and apparatus therefor
Inventor: COULTER MICHAEL OLIVER
IPC: F28C3/16
Filed: 1962-05-10
Abstract: 970,328. Drying, heating or cooling granular material. MURGATROYD'S SALT & CHEMICAL CO. Ltd. April 4, 1963 [May 10, 1962], No. 17941/62. Headings F4G and F4U. A method for effecting heat exchange between a particulate solid and a gas stream comprises feeding the solid (e.g. sodium chloride) through an inlet hopper 2 on to a perforated retaining plate 4 through which an ascending current of gas (e.g. air) is passed from an inlet 5, the fluidized solid passing horizontally at a depth of ¢-6 inch to a discharge shoot 3, the total cross-sectional area of the openings in the plate being such that the pressure drop across the plate is between 0.1 and 6 inch water gauge. A narrow, sinuous path is formed for the fluidized solid by the vertical baffles 7. The retaining plate which may be of stone, tile or metal has perforations which may be triangularly placed and may be larger than the largest particle of solid but small enough to prevent much loss of solid when the gas stream is stopped. Fallen solid is removed from port 10. Heat exchange means such as water or steam coils may be placed in the fluidized layer.
Patent GB-186696-A (GB)
Title: Rotatable celestial chart for sailing purposes
IPC: G01C21/02
Filed: 1921-07-02
Abstract: 186,696. Del Pino, R. July 2, 1921. Charts.-A star chart for facilitating the solution of astronomical problems relating to navigation comprises one part bearing a stereographic polar or other projection of the lines of azimuth and altitude for a given latitude, and a second concentric part bearing a similar projection of the stars in one of the celestial hemispheres, the parts being relatively movable so that the stars can be correctly located in relation to a given meridian with suitable adjustment for local time differences. In the form shown, an intermediate disc, Fig. 2a, of strong paper or the lilie, on which the portion of the celestial hemisphere visible at the latitude of the observer is marked with the projection of the lines of azimuth and altitude, is positioned between an upper transparent disc, Fig. 3<a>, bearing representations of the stars in one hemisphere, for instance those of the first, second, and third orders of magnitude, and a lower disc, Fig. 1<a>, of wood or the like bearing a circular scale of hours of the sidereal day, the three discs being concentrically and rotatably mounted on a pin a<1>. A declination scale may be marked on the central meridian of the intermediate disc. Two upper discs and two lower discs corresponding to the northern and southern hemispheres are provided, and also a series of intermediate discs corresponding to various latitudes, preferably one for each degree of latitude. The upper disc may be set and locked in position on the lower disc by means of a pointer B on the upper disc cooperating with the scale on the lower disc. A thread attached to the pin a<1> serves as a radial line representing individual meridians. The transparent disc is marked with an arrow corresponding to the origin of right ascensions and is set on the lower disc with this arrow at a point of the scale corresponding to the right ascension of the true sun. By suitable rotation of the intermediate disc to adjust for time, various navigational problems may be solved directly, such, for example, as the determination of the true and sidereal local times, the identification and localization of a star, the determination of the azimuth, altitude, time of transit, meridional height, hour angle, right ascension, and time of rising and setting of a star, and the determination of the time of transit of the moon and of the hours of twilight.
Patent GB-1077694-A (GB)
Title: 5-nitroimidazole derivatives
IPC: C07D233/92
Filed: 1964-08-04
Abstract: Novel 1 - (o  - hydroxyalkyl) - 5 - nitroimidazole - 2 - carboxylic acid lactones of formula <FORM:1077694/C2/1> where n is 2, 3 or 4, are prepared by sulphonating a 1-(o -hydroxyalkyl)-2-(b -phenylvinyl)-5-nitroimidazole where the o -hydroxyalkyl group is 2 hydroxyethyl, 3-hydroxy-n-propyl, or 4-hydroxy-n-butyl, to produce the corresponding 1 - (o  - sulphonyloxyalkyl) - 2 - (b  - phenylvinyl)-5 - nitroimidazole and oxidizing this compound. The 1 - (o  - hydroxyalkyl) - 2 - (b  - phenylvinyl)-5 -nitroimidazoles may be prepared by reacting a 1-(o -hydroxyalkyl)-2-methyl-5-nitroimidazole with benzaldehyde.
Patent GB-749677-A (GB)
Title: Anthracene derivatives
IPC: C09B1/473
Filed: 1952-07-16
Abstract: Anthracene derivatives apparently of the formula <FORM:0749677/IV(a)/1> where X is H, SO3 H, CN, NH-alkyl, NH-aryl, S-alkyl, S-aryl, or the diene grouping, are obtained by treating the reaction product of fuming sulphuric acid and 1.4-diaminoanthraquinone or a nuclear substitution product thereof containing in the amino-substituted ring of the anthraquinone at least one free position with hydrogen, an alkali metal bisulphite, an alkali metal cyanide, a primary or secondary amine, a mercaptan or a diene in aqueous solution at a temperature up to 100 DEG  C. or in an inert organic solvent at temperatures up to 200 DEG  C.  Substituents specified are halogen, alkyl, carboxy.  By heating the products with concentrated sulphuric acid, the corresponding 1.4-diaminoanthraquinones are obtained, and where X is CN, 1.4-diaminoanthraquinone-2-carbonamide is obtained.  In examples, the reaction product of fuming sulphuric acid and 1.4-diaminoanthraquinone is reacted with (1) zinc dust and glacial acetic acid; (2) sodium bisulphite solution; (3) potassium cyanide solution; (4) butadiene in chlorbenzene; (5) thioglycollic acid in glacial acetic acid; (6) piperidine in methanol.ALSO:Anthracene derivatives apparently of the formula:-<FORM:0749677/IV(c)/1> where X is H, SO3M, CN, NH-alkyl, NH-aryl, S-alkyl, S-aryl, or the diene grouping are obtained by treating the reaction product of fuming sulphuric acid and 1, 4- diaminoanthraquinone or a nuclear substitution product thereof containing in the amino-substituted ring of the anthraquinone at least one free position with hydrogen, an alkali metal bisulphite, an alkali metal cyanide, a primary or secondary amine, a mercaptan or a diene in aqueous solution at a temperature up to 100 DEG C. or in an inert organic solvent at temperatures up to 200 DEG C.  Substituents specified are halogen, alkyl, carboxy.  By heating the products with concentrated sulphuric acid, the corresponding 1, 4-diaminoanthraquinones are obtained, and where X is CN, 1, 4-diaminoanthraquinone -2- carbonamide is obtained. In examples, the reaction product of fuming sulphuric acid and 1, 4-diaminoanthraquinone is reacted with (1) zinc dust and glacial acetic acid, (2) sodium bisulphite solution, (3) potassium cyanide solution, (4) butadiene in chlorbenzene, (5) thioglycolic acid in glacial acetic acid, (6) piperidine in methanol.
Patent GB-347942-A (GB)
Title: Improvements in or relating to rod bending apparatus
IPC: B21D11/12
Filed: 1930-06-12
Abstract: 347,942. Bending rods and bars. BINET, H., 42, Rue du Pont Neuf, Haren Nord, Belgium. June 12, 1930, No. 18056. Convention date, June 17, 1929. [Classes 83 (ii) and 83 (iv).] In an apparatus particularly for bending rods for reinforcing concrete a number of baseplates are adjustably mounted on a pair of supporting rails each carrying an abutment pin, an axially slidable forming pin, and a bending lever to engage the rod, so that a succession of bends can be effected. A pair of rails 9, Fig. 3, supports a number of devices 10 .. 14, in which, for example, a succession of right-angle bends may be made in the rod or number of rods, which are bent round a pin 2, Fig. 1, while supported against an abutment pin 3, by a roller 5 on a lever 4 operable by a bar inserted in a tubular extension 8. The pin 2 may be lowered perpendicular to the plane of bending by a lever engaging a forked extension of the pin after the bend is completed. According to the Specification as open to inspection under Sect. 91 (3) (a) a device 10 may be used for effecting a single bend apart from the rails 9, and a modification is described in which the abutment member 3, Fig. 4 (Cancelled), is pivoted to the base 1, and the bending roller 5 is integral with a gear 15 and passes through semi-circular slots in a pair of plates 1 housing the gearing. This subjectmatter does not appear in the Specification as accepted.
Patent GB-498040-A (GB)
Title: Improvements in typewriting machines
IPC: B41J35/22
Filed: 1937-06-29
Abstract: 498,040. Typewriters. ROYAL TYPEWRITER CO., Inc. June 29, 1937, No. 18085. Convention date, July 23, 1936. Drawings to Specification. [Class 100 (iv)] Paper-supports; web-feeding arrangements ; line-spacing mechanism.-In a manifolding- typewriter comprising a non-rotatable platen, and guides for holding work-sheets and carbon strips in tight contact therewith, the platen is supported on an axis which is eccentric with respect to an arcuate face thereof, and means is provided for rocking the platen to relieve pressure and thereby facilitate line-spacing and carbon-strip feed. The description in the Specification is identical with part of that in Specification 498,039, but the claims are restricted to the subject-matter set out above. Specifications 367,768 and 500,103 also are referred to.
Patent GB-203114-A (GB)
Title: Improvements in or relating to hack-saws and the like
IPC: B23D51/14
Filed: 1922-07-01
Abstract: 203,114. Garner, W. July 1, 1922. Addition to 185,954. Saws.-In the hack-saw described in the parent Specification, the spindle for securing the end of the blade remote from the handle is provided with a part adapted to overhang the end of the blade and retain it on its pin. The part C, Fig. 2, adjacent to the flat A is recessed and a slotted sleeve D is fixed on the spindle. The blade F is first placed in the position shown by the line H and is then turned down on to the pin B so that the part G of the sleeve D overhangs the end of the blade. In one modification, the sleeve is replaced by the plate N, Fig. 4, and in another, Fig. 3, the end of the spindle is enlarged, a hole J is drilled through it, half the end is removed by saw cuts along the lines K, L and the part G is pressed down to form an overhanging lip. A nut P is provided to take the tension in the blade, imparted by rotating the handle and to provide an adjustment for blades of different lengths.
Patent GB-685107-A (GB)
Title: Double-end cylinders for locks
IPC: E05B63/00
Filed: 1951-08-01
Abstract: 685,107. Locks. PARKES & SONS, Ltd., J., BUTTER, F. J., and ORDIDGE, E. F. Oct. 12,1951 [Aug. 1, 1951], No. 18175/51. Class 44. In a double-ended barrel lock of the kind having two axially aligned plugs rotatable in a single sleeve or body, or in two interconnected sleeves, each plug has a thrower adapted to actuate the lock mechanism independently of the other one. In the arrangement shown, the sleeves 10, 11 are connected by a web part 12 and accommodate similar plugs 13, 14 respectively. To the inner end of each plug is secured a thrower 16 comprising a disc member with a radial arm 17. The associated lock mechanism is as described in Specification 684, 825 and incorporates a pivoted actuating lever 20 having abutments 21, one of which is always disposed in the path of both the arms 17, as either barrel lock can actuate the lever 20 independently of the other. One plug, e.g. plug 14 in Fig. 2, may be a dummy having secured thereto a handle or knob 22.
Patent GB-1203683-A (GB)
Title: Casings for jet propulsion engines
Inventor: WEIGMANN ERICH
IPC: F02K1/00
Filed: 1968-04-17
Abstract: 1,203,683. Deflecting propulsive jets on aircraft. MESSERSCHMITT - BOLKOW - BLOHM G.m.b.H. 17 April, 1968 [28 April, 1967], No. 18245/68. Heading B7G. An aircraft jet-propulsion plant having a nozzle 11 that may be swivelled from the rearward to downward thrust positions shown in Fig. 1, is enclosed in a nacelle or casing 20 which, in way of the swivelling nozzle, comprises an upper arcuate fixed section 21 and a lower arcuate section 22 mounted on section 21 by bearings 24 to be capable of rotation about a longitudinal axis to a position in which it overlies section 21. When in the upper retracted position section 22 exposes an opening 40 thereby enabling the jet propulsion nozzle 11 to be rotated into a downwardlydirected position to provide. jet lift. Both sections 21 and 22 are apertured in positions that coincide when the sections overlap to form an intake 25 for air inducedby the flow of jet gases.
Patent GB-694614-A (GB)
Title: Improvements in or relating to compositions for pickling animal hides and skins
IPC: C14C1/08
Filed: 1951-08-01
Abstract: 694,614. Pickling hides and skins. DIAMOND ALKALI CO. Aug. 1, 1951 [March 17, 1951], No. 18249/51. Class 76. Hides and skins are pickled with a liquor comprising the upper layer of a two-layer system resulting from mixing alkali metal bichromate and sulphuric acid, for example in the manufacture of chromic acid from sodium bichromate dihydrate and 20 per cent oleum by the fusion method. This residual material contains sodium acid sulphate and chromium compounds. The hides and skins are agitated in an aqueous dispersion of the material for about 1-2 hours: The pickle liquor may also contain alkali metal sulphates or chlorides, or impure sodium sulphate obtained from acidified chromate liquors prior to the crystallisation of sodium bichromate ; the weight ratio of these salts to the chromic acid residue may be from 5 : 95 to 50 : 50. An inorganic reducing agent, for example sodium bisulphite or thiosulphate, may be added to the pickle liquor or subsequently . Pickling may be followed by chrome or vegetable tanning ; synthetic tanning agents may be used with the vegetable extracts. Examples describe the pickling of sheep skins and split and unsplit cowhides; the cowhides are chrome-tanned, and the sheep skins tanned with quebracho.
Patent GB-1122075-A (GB)
Title: Improvements in or relating to broadcasting machines
IPC: A01C15/00
Filed: 1966-04-26
Abstract: 1,122,075. Distributing seeds and fertilizer. T. L. COOPER. 4 July, 1967 [26 April, 1966], No. 18250/66. Heading A1D. A broadcasting machine comprises a centrifugal spinner disc 7 which receives material from a fertilizer hopper 3 and a seed hopper 10. The outlet of the hopper 10 is provided with a control gate 14 for regulating the rate of discharge having a linkage 15 and an operating rod 16 for its control. A belt conveyer or an auger discharge device may be provided in the bottom of the seed hopper 10. The hoppers may be arranged side by side and in this case a single hopper provided with a movable partition may be employed.
Patent GB-1390750-A (GB)
Title: Vessel for pneumatically mixing powdered or granular material
IPC: B01F33/40
Filed: 1973-04-17
Abstract: 1390750 Mixing apparatus BAYER AG 17 April 1973 [20 April 1972] 18427/73 Addition to 1244300 Heading B1C The mixing apparatus described and claimed in the Specification 1244300 is modified in that the lower section of the riser tube has an outer wall at least partly of frusto-conical form which defines with a portion of the conical wall of the base a frusto-conical annular channel 8 which restricts the volume of air flowing upwardly in the vessel outside the riser tube, the pressure drop in use along the annular channel being substantially the same as that along the length of the riser pipe. In an alternative embodiment the lower tube has a cylindrical portion rising from the frusto-conical portion and the base of the vessel has conical sections of differing cone angle (Fig. 2 not shown).
Patent GB-297175-A (GB)
Title: Improvements in or relating to ventilators for use upon road and other vehicles
IPC: F23L17/02
Filed: 1927-07-12
Abstract: 297,175. Gowshall, B. July 12, 1927. Ventilators.-A, vehicle ventilator comprises a horizontal tapering or flared main shaft a, a longitudinal shallow air uptake shaft b disposed within the main shaft and communicating with the interior of the vehicle, and two series of parallel vanes d arranged in divergent relation within said main shaft and on opposite sides of the uptake shaft. Air currents due to the forward movement of the vehicle are adapted to be forced from the minor to the major extremity of the main shaft and to extract air from the vehicle interior through the uptake b. The shaft, a has an attachment plate a<1> and an elongated slot a<2>, from the longitudinal edges of which two rearwardly diverging walls h extend vertically to form the uptake shaft. A V-shaped member c is disposed at the foremost end of the shaft a and a plate member e at the opposite end.
Patent GB-968193-A (GB)
Title: Air cushion vehicles
Inventor: JONES RICHARD STANTON
IPC: B60V1/00
Filed: 1960-09-26
Abstract: 968,193. Air cushion vehicles. HOVERCRAFT DEVELOPMENT Ltd. Sept. 26, 1960, No. 18553/64. Divided out of 968,191. Heading B7K. An air cushion vehicle provided with sidewalls formed with an air duct 11 has a bag 10 attached to the underside of each wall and formed with nozzles 13, 14 in a member 12, whereby air delivered from duct 11 will inflate the bag 10 and issue as air curtains from the nozzles, forming a supplementary cushion between them. To support the vehicle when the bag 10 is not inflated a separate bag 16 is provided, either permanently inflated or fed from a small auxiliary compressor. Specifications 854,211, 944,501 and 968,192 also are referred to.
Patent GB-613332-A (GB)
Title: Improvements in furnace doors
IPC: F23M7/00
Filed: 1946-06-20
Abstract: 613,332. Furnace doors. BLAW-KNOX, Ltd. June 20, 1946, No. 18621. Convention date, June 28, 1945. [Classes 51(i) and 51(ii)] A water-cooled furnace door comprises a double walled panel, the outer wall being substantially flat and the inner wall being cylindrical and concave inwardly and adapted to accommodate an arched brick lining. The double walled panel door 10 in a preferred embodiment includes peripheral flanges 12 with sub-panels 13, 13a spaced apart by vertical slots 17 and is provided with water connections 18 and 19 plugged flushing openings 20 and an observation hole 21. The arched lining 17a is self-retaining between the peripheral flanges 12.
Patent GB-1427396-A (GB)
Title: Resin composition
IPC: C08L21/00
Filed: 1973-04-18
Abstract: 1427396 ABS/additive compositions DAICEL Ltd 18 April 1973 [19 April 1972] 18647/73 Heading C3G An ABS composition adapted for rotational moulding comprises ABS resin particles of 10 to 100 mesh (Tyler) size having uniformly dispersed on the surface thereof an organic compound additive selected from compatible lubricants, anti-oxidants, plasticizers, flame retardants, ultra-violet-absorbing agents and mixtures thereof, said additive having a particle size of less than 100 mesh (Tyler), a melting point of 100‹ to 250‹ C. and a thermal decomposition point above 200‹ C., the weight ratio of said resin to said additive being 100 : 0À1 to 5À0. The ABS resin is confined to those produced by bulk-suspension polymerization techniques, the one used in the examples being formed by grafting acrylonitrile and ethylene on to butadiene-styrene rubber. The additive mixed with the resin in the examples is selected from an alkylaryl bisamide, tetrakis[methylene- 3 - (3,5 - di - tert. - butyl - 4 - hydroxylbenyl)- propionate]methane and 2 - (2<SP>1</SP> - hydroxy- 51 - methylphenyl) - benzotriazole. Many others are listed.
Patent GB-587490-A (GB)
Title: Improvements in or relating to thermopiles
IPC: H01L35/00
Filed: 1946-01-29
Abstract: The elements of a thermopile are made from an alloy of bismuth and tin containing from 4 to 6 per cent. by weight of tin.
Patent GB-1349304-A (GB)
Title: Heat detector
IPC: G08B17/06
Filed: 1971-06-03
Abstract: 1349304 Temperature alarms PREUSSAG AG FEUERSCHUTZ 3 June 1971 [4 June 1970] 18809/71 Heading G4N [Also in Division G1] A bridge circuit comprises N.T.C. temperature-sensitive resistors R 1 , R 2 , one of which is surrounded by a heat-insulating material, and fixed resistors R 3 , R 4 , the bridge output being connected to an operational amplifier V and the input connected across a D.C. source and across the series combination of a temperature sensitive resistor R 5  and fixed resistor R 6 , the junction A of which is connected by a diode to point B at the junction of the fixed resistors R 3 , R 4  so that for slow changes of temperature the resistances of R 1  and R 2  vary at substantially the same rate but at a predetermined temperature the potential difference between points A and B causes the diode to conduct thus unbalancing the bridge to produce from amplifier V a signal to an alarm. On the other hand for a temperature change at a rate in excess of a predetermined value the resistances of R 1  and R 2  do not change at the same rate due to the heat-insulating material and resultant bridge imbalance voltage is a measure of temperature and may be applied to an alarm. In alternative embodiments; Fig. 2 (not shown), a thyristor is connected across the bridge output and the signal across a resistor R7 connected to the thyristor is used to actuate an alarm; Fig. 3 (not shown) uses P.T.C. silicon resistors for use up to 250‹ C. and R 6  is temperature-dependent instead of R 5  as before. Fig. 4 illustrates the layout of the resistors on a plate surrounded by a dome W.
Patent GB-180588-A (GB)
Title: Improvements in devices for automatically stopping railway trains
IPC: B61L3/04
Filed: 1921-07-12
Abstract: 180,588. Fritz, A. July 12, 1921. No Patent granted (Sealing fee not paid). Track apparatus for stopping trains.-An inclined rail 1 on the track is raised by an eccentric cam to engage a train-carried pivoted lever which is linked by a slidng bar 8 to a toggle 9, 11 which, through a bar 12, moves a sliding slotted bar 13 transversely across the locomotive. A stud on the throttle lever engages a slot in the bar 13. Connections mav also be made to the brake valve 17 and the whistle 19.