baber/WOPTO huggingface dataset:
Patent GB-1471686-A (GB)
Title: Hair drying appliances
IPC: A45D20/22
Filed: 1974-06-27
Abstract: 1471686 Centrifugal fans I LAING 27 June 1974 [28 June 1973] 28549/74 Heading F1C [Also in Divisions A5 and H5] A centrifugal fan in a hair dryer is formed of a frusto-conical support 5 which mounts an annular array of generally radial but curved blades 13, there extending outwardly from the array discs 14 which define air channels of between 1 and 2À5 mm width and with a radial extension of between <SP>1</SP>/ 5  and <SP>1</SP>/ 10  of the fan diameter. Air is drawn in via apertures 8 in the top surface of a hood, passes through the blades and discs and exits through vents 12. A further dryer has two fans, one at each end of the motor, and separated by an array of fixed blades. In modifications, the air channels diverge outwardly or the discs have curved ends, or there may be two sets of blades on the inner and outer peripheries of an annular support..
Patent GB-687801-A (GB)
Title: Manufacture of derivatives of hydroxynaphthalene sulphonic acids
IPC: C07C309/41
Filed: 1950-11-24
Abstract: The invention comprises: (a) the disodium salt of an ester-like anhydride of 1-hydroxy-naphthalene-2 : 3 : 4 : 6-tetrasulphonic acid of the probable formula <FORM:0687801/IV (b)/1> (b) the preparation of (a) or the free acid formulated above by treating 1-hydroxynaphthalene-3 : 6-disulphonic acid or a salt thereof with sulphuric acid containing free sulphur trioxide at a raised temperature, and, if desired, isolating the disodium salt of the product by adding the reaction mass to a mixture of ice and common salt, separating the crystals formed, washing (e.g. with methanol) and drying; (c) a product containing a hydroxy group in place of the 3-sulphonic acid group, when obtained by treating either of the products of (b) with non-caustic alkalis; (d) 1 : 3-dihydroxynaphthalene-6-sulphonic acid when obtained by the procedure of (c) followed by acid hydrolysis to remove the 2- and 4-sulphonic acid groups.  The sulphonation in (b) is preferably effected at 110-130 DEG  C. (e.g. 120-125 DEG  C.) using sulphuric acid containing 30-66 (e.g. 40) per cent of free sulphur trioxide. The products thereof undergo the following reactions in addition to those indicated in (c) and (d): (i) direct acid hydrolysis regenerates the starting material; (ii) treatment with thionyl chloride yields 1 : 2 : 3 : 4 : 6 - pentachloronaphthalene, which can be oxidized with nitric acid to 3 : 4 : 5 : 6-tetrachlorophthalic acid; (iii) refluxing with phosphorus pentachloride and oxychloride produces a chloro-1 : 2-naphthosultone disulphochloride.  In examples the disodium salt of 1-hydroxynaphthalene-3 : 6-disulphonic acid is used as starting material.
Patent GB-980724-A (GB)
Title: Cyclone-type dust extractor for gases and fumes
IPC: B04C9/00
Filed: 1963-07-19
Abstract: 980,724. Apparatus for cleaning gases. E. PERCEVAUT. July 19, 1963 [July 19, 1962], No. 28792/63. Heading BIT. Apparatus for extracting dust from gases comprises a cylinder 1 into which opens a tangential gas entry conduit 2. The cylinder 1 has slots 4 with curved edges and the conduit 2 is extended into the cylinder by means of a side wall 2b and bottom wall 2a so that as the conduit enters the cylinder its cross-section increases. Surrounding the cylinder is a rectangular enclosure having a gas exit passage 3 and a conical bottom wall 6 leading to a dust extraction pipe 7. A Venturi portion 8 increases the gas inlet speed and liquid atomizers 9, 10 serve to wash the gas and assist the centrifugal force in directing the dust towards the slots 4.
Patent GB-641006-A (GB)
Title: Improvements in or relating to refrigerators
IPC: F25D21/00
Filed: 1947-10-29
Abstract: 641,006. Refrigerators. GENERAL BRONZE CORPORATION. Oct. 29, 1947, No. 28880. Convention date, Jan. 26, 1945. [Class 29] A closure member 2 of a refrigerator cabinet 1 has evaporator pipes 6 and a fan 10 mounted on its inner side, and when the closure member is swung away from the opening in the cabinet the fan continues in operation to defrost the evaporator without raising the temperature in the cabinet. The lid 2 of a topopening cabinet is hinged at 3 and carries on its outer face a motor 11 driving the fan 10 and flexible pipes 8 supplying the finned evaporator pipes 6. An open-ended casing 13 surrounds the evaporator and fan. During defrosting a drip pan 21 is hung by bales 22 from pins 23 on the side walls 15 of the casing and the cabinet is closed by a temporary cover 2'. In a modification the closure member is arranged in the side wall and co-operates with a baffle fixed in the chamber to circulate the air over the evaporator.
Patent GB-1267795-A (GB)
Title: Improvements in potato peeling machines
Inventor: DAMES HANS JOACHIM
IPC: A47J17/18
Filed: 1970-06-15
Abstract: 1,267,795. Potato peeling machine. H. J. DAMES. June 15, 1970 [June 20, 1969], No.28885/70. Heading A4C. A potato peeling machine of the type that comprises a housing 1 having a rotatable floor plate 10, which may be mounted at an inclination, and peeling knives 5 (13), Figs. 2 and 5 (not shown), carried by the inner wall of the housing 1 and the floor plate 10 respectively is characterized in that each knife has two opposed cutting edges (8, 8a; 11, 11a), Figs. 4, 6, 7 (not shown), and that the direction of rotation of the floor is reversible. The peeling knives 5 are each mounted on upper and lower rings 4, 3 respectively so that all their cutting edges (8, 8a) lie in a cylindrical plane, and the cutting edges (11, 11a) of the knives (13) on the floor plate lie in a flat plane.
Patent GB-159559-A (GB)
Title: Improvements in or relating to gas-fired glass melting furnaces
IPC: C03B5/237
Filed: 1919-11-20
Abstract: 159,559. Curd, S. G. Nov. 20, 1919. Generating by indirect contact of heated gases.- In a reversible regenerative gas - fired open - hearth furnace for melting glass and other materials, boilers N are located in the lower regenerator chambers L where they are heated by the furnace gases. The steam generated in the boilers is led to steam superheating coils U located in the upper regenerator chambers E, the superheated steam being supplied to gas producers A.
Patent GB-1111617-A (GB)
Title: Amides of optically active carboxylic acids and (í‚)-2-dehydroemetine or (í¬)-2-dehydroemetine
Inventor: COCKER JOHN DEREK
IPC: C07D499/00
Filed: 1964-07-14
Abstract: Amides formed between optically active carboxylic acids and (\sB) or (-)-2-dehydroemetine and acid addition salts thereof are prepared by reacting (\sB)-2-dehydroemetine with the appropriate optically active acid, or with a functional derivative thereof such as acid halide, anhydride, or activated ester, and when required the amide or a salt thereof is subjected to fractionation to separate the amides of (+) and (-)-2-dehydroemetine or their acid addition salts for example by fractional crystallization, column chromatography, thin layer chromatography or mechanical separation, and decomposing the (-)-amide produced to form (-)-2-dehydroemetine by alkaline hydrolysis.  Suitable optically active acids are mandelic, tartaric, chlorophenylacetic, phenylalanine, tyrosine and benzyl penicillin. Free hydroxy or free amino groups in the amino acids must be protected for the amide formation step, for example, a hydroxy group is protected as an acyloxy group or arylmethylether group, and an amino group is protected as an N-aryl methyl, N-trityl, or N-arylkoxycarbonyl group, and the protecting group removed after amide formation, for example, by hydrolysis or hydrogenation.  a -chlorophenylacetylchloride is prepared by action of thionyl chloride in dimethylformamide on a -chlorophenylacetic acid.
Patent GB-390866-A (GB)
Title: Improvements in directional air delivery ducts or directional outlet nozzles
IPC: F24F13/06
Filed: 1931-10-20
Abstract: 390,866. Ventilators. FOSTER, F. H., Kinsah, South Avenue, Littleover, Derbyshire, and HASLAM & NEWTON, Ltd., Union Foundry, Derby, Oct. 20, 1931, No. 29100. [Class 137.] A directional air delivery fitting for a duct or outlet nozzle comprises a hood or cover c carried by a stem b supported by and movable through a ball-and-socket joint a, the hood or cover being adapted to close the delivery space, which is in the form of a ring d or to allow of delivery through the ring alI round the hood or cover or from any desired part of the ring to give a directional delivery. The hood may be adjusted by means of a cross piece i and is held in adjusted position by means of frictional material e, f<1> inserted in the ball joint and in a sleeve f surrounding the stem b.
Patent GB-654215-A (GB)
Title: Improvements in or relating to suspensions of penicillin salts
IPC: A61K47/26
Filed: 1948-11-09
Abstract: An insoluble organic penicillin salt, e.g. the procaine, proflavine or gentian violet salt is dispersed in a liquid oleaginous base by incorporating in the penicillin salt-oil mixture one or more of the fatty acid partial esters of hexitol anhydrides and/or their polyalkylene oxide derivatives.  For parenteral application the oleaginous base may be a non-drying vegetable oil, e.g. rapeseed, cottonseed, poppyseed, peanut and sesame oils or a lower aliphatic ester of a fatty acid, e.g. ethyl oleate or stearate; for topical use liquid paraffin may be used. Waxes such as beeswax and spermaceti may be incorporated in these bases.  Preferred dispersing-agents are the fatty acid partial esters of sorbitan, sorbide, mannitan and mannide in which the fatty acid residues are of 12 to 18 carbon atoms, e.g. derived p  from oleic, lauric and stearic acids and the polyalkylene derivatives thereof having 25 molecules of oxide to one of anhydride and where the oxide is ethylene oxide or propylene oxide.  The preparations comprise not more than 1 per cent and preferably 0.125 per cent by volume of the dispersing-agent.ALSO:A redispersible suspension of an insoluble organic penicillin salt in a liquid oleaginous base is obtained by incorporating in the penicillin salt-oil mixture one or more of the fatty acid partial esters of hexitol anhydrides and/or their polyalkylene oxide derivatives.  Such salts are the procaine, proflavine and gentian violet salts of penicillin in a finely divided state.  For parental application the oleaginous base may be a non-drying vegetable oil e.g. rapeseed, cottonseed, poppyseed, peanut and sesame oils or a lower aliphatic ester of a fatty acid, e.g. ethyl oleate or stearate; for topical use liquid paraffin may be used. Waxes such as beeswax and spermaceti may be incorporated in these bases.  Preferred dispersing agents are the fatty acid partial esters of sorbitan, sorbide, mannitan and manaide in which the fatty acid residues are of 12 to 18 carbon atoms e.g. derived from oleic, lauric and stearic acids and the polyalkylene derivatives thereof having 25 molecules of oxide to one of anhydride where the oxide is ethylene or propylene oxide.  The preparations contain not more than 1 per cent and preferably 0.125 per cent by volume of the dispersing agent.
Patent GB-1111886-A (GB)
Title: Improvements in or relating to voltage variable capacitance arrangements
IPC: H03J3/18
Filed: 1965-07-09
Abstract: 1,111,886. Variable reactance circuits. TELEFUNKENPATENTVERWERTUNGS G.m.b.H. 9 July, 1965 [11 July, 1964], No. 29223/65. Heading H3R. [Also in Division H1] A voltage variable capacitance arrangement comprises n parallel circuits each containing n voltage variable capacitance devices in series, all the devices being supplied in effective parallel from a D.C. source with capacitance controlling voltage; the arrangement thus has the same capacitance as a single device but can operate at n times the potential. The devices are preferably diodes preferably arranged in pairs in each series with the diodes of each pair oppositely connected. In Fig. 2 the pairs of diodes 1 are formed by diffusion techniques on common cathode strips 6, and there are 100 diodes in 10 rows and 10 columns mounted on five strips 6. The anodes are connected by strips 8, and a control voltage is supplied from terminals 3 and 4 via resistors or chokes 5.
Patent GB-956786-A (GB)
Title: Improvements in devices for pivotally combining two photographic cameras
IPC: G03B35/08
Filed: 1960-08-24
Abstract: 956, 786. Panoramic and stereoscopic camera assemblies. B. WANNER. Aug. 24, 1960, No. 29225/60. Heading G2A. A device for pivotally coupling two cameras each having a shutter releaser comprises an axle 2 pivotally bearing carrying arms 4a, 5a and 4b, 5b for connection to the cameras to position them symmetrically with respect to the axle, and synchronizing arms 17a, 17b, for the shutter releasers movably mounted on the axle and shaped to reach and coact with them. The synchronizing arms may be secured to a holder 14 pivotally mounted on an axle pin 15 secured to a sleeve 12 attached to the axle and an adjusting screw 18 is provided on the arm 17a to provide for exact synchronization. In an alternative arrangement the shutter releasers are arranged to lie adjacent the axle and the synchronizer arms are extended rearwardly to provide manually operable members. An optical viewfinder 10 or frame viewfinder 27 is held to look along the bi-sector of the angle between the camera axes by a supporting slide 26 connected to the pivot of equal arms 29a, 29b of a linkage formed by these arms, the camera carrying arms and the axle 2 with which the slide is connected by a pin-and-slot arrangement. The device may be used for stereoscopic photography with the camera axes parallel or convergent or for panoramic photography when the two camera fields may be arranged to join without overlap, abutments preventing opening beyond this position being provided.
Patent GB-1087128-A (GB)
Title: Apparatus for reduction of the open-circuit voltage of direct current arc welding generators
Inventor: GRECEANU ALEXANDRU
IPC: B23K9/10
Filed: 1966-06-29
Abstract: 1,087,128. Exciting D.C. generators; arc welding systems. DEPUTY MINISTER OF THE MINISTERUL INDUSTRIEI CONSTRUCTIILOR DE MASINI. June 29, 1966. No. 29244/66. Headings H2A and H2H. The field winding 1 of a D.C. arc welding generator is supplied from an A.C. source Ua through a rectifier arrangement and magnetic amplifier 2, the latter having control windings 3, 6 supplied from an A.C. source Ub through respective rectifier bridges 4, 7 and adjustable members 5, 8. Winding 6 is further controlled by a saturable reactance 9, whose core 10 is threaded by the conductor carrying the welding current and which controls the input to the bridge 7, the arrangement being such that when the generator is on open-circuit the reactance 9 is unsaturated to reduce the control current, excitation and hence the generator voltage, but when welding current is being supplied the reactance 9 is saturated to allow the control current, excitation and generator voltage to return to the values pre-set (by adjustment of members 5, 8) for the particular welding conditions. The welding head 12 may carry a potentiometer, having the same function as the potentiometer 8, to regulate the current according to the distance between the electrodes.
Patent GB-377510-A (GB)
Title: Improvements in or relating to a process for cracking hydrocarbons
IPC: C10G9/00
Filed: 1931-10-21
Abstract: <PICT:0377510/III/1> Oils are cracked under pressure and the products separated in liquid and vapours, the liquid products being withdrawn without accumulation while the vapours are further cracked in a separate zone under high pressure, e.g. 500 lbs. per square inch. Oil supplied from a line 10 is pumped by a pump 11 to a heating coil 12 and thence to a lagged digesting chamber 17.  Liquid products are removed through a valved line 18 with reduction of pressure to a fractionating chamber 20 from which vapours pass off through a pipe 21, while an intermediate fraction is removed through a pipe 22 and may be returned to the line 10, and residues are removed through a pipe 26.  Vapours leave the chamber 17 through a pipe 39 and pass to a reheating coil 41 and a further reaction chamber 44 the bottom of which is slightly sloped so that liquid and gaseous products may be removed together with reduction of pressure through a pipe 46, and passed to a fractionating tower 32.  The vapours are fractionated in the tower into a gasoline fraction passing out through the line 39, and a gas oil fraction which is returned to the system through a pipe 34, 37 or sent to storage. Temperatures in the coil 12 may range from 800 DEG  F. to 975 DEG  F. and pressures in the coil 12 and chamber 17 from 500-1200 lbs. per square inch.
Patent GB-688080-A (GB)
Title: Improvements in and relating to supports for devices for testing the balance of wheels
IPC: G01M1/04
Filed: 1950-12-01
Abstract: 688,080. Testing the balance of wheels. BRADBURY & SONS, Ltd., J., and POWELL, V. Dec. 1, 1950, No. 29508/50. Class 106 (ii). A support for a device for testing the balance of wheels comprises a shaft adapted to receive the said device in a manner permitting it to rotate around the axis of the shaft, a mounting for said shaft arranged to permit same to be turned from a substantially vertical position to a horizontal position and vice-versa, and means arranged to locate the shaft in the horizontal position. The shaft 1, Fig. 1, is rotatably supported in a sleeve 2 by ball-bearings, not shown. The sleeve 2 is provided with two projecting pins 3 which enter slots 4 in the sides of a support 6, Figs. 1 and 2. The sleeve 2 has two positions. In the first it is retained in a horizontal position by the top 6b of the support 6. In the second position the sleeve 2 and shaft 1 are vertical, the end 8 of the shaft engages a socket 9 and is thereby prevented from rotating. The wheel to be tested is fitted against the device X on the shaft 1 in its vertical position and then the shaft is moved to its horizontal position. The socket 9 consists of a hole in a plate 9a which has a ramp 11 and is mounted on a bridge 10 secured to the support 6. Specification 687,779 is referred to.
Patent GB-1215719-A (GB)
Title: Improvements in looms
Inventor: MATTERSON SAMUEL ARTHUR
IPC: D03D43/00
Filed: 1967-06-27
Abstract: 1,215,719. Looms. MATTERSON & SONS Ltd. 15 July, 1968 [27 June, 1967], No. 29562/ 67. Heading D1E. In a smallwave loom having a four tier batten 4 the height of the batten is controlled from a jacquard controlled mechanism 21 through rods 17-19 each of which is connected to a separate lifting rod 20, and levers and rods 9-13, the lifting rod 20 being moved by two mutilated gears 23, 28 which engage each other under control of the jacquard. The lifting arrangement comprises a lever 15a pivoted at its centre on arm 14, one end of the lever 15a being connected at its end to rod 17. At the other end lever 15a a second lever 15b is pivoted at its centre and has rods 18, 19 connected to its ends. This arrangement gives four positions of the batten. In Fig. 2 is shown the gear system for controlling the movement of levers 20 from the jacquard. Levers 20 are controlled by movement of levers 20a. An arm 33 is oscillated by an eccentric 31 and carries a knife edge 36 which can engage a hook on lever 37 which is moved by the jacquard. Movement of lever 37 carries a roller 37 on lever 38 to move an arm 26 which carries cam surfaces which cause mutilated gear 23 to move axially on its shaft 22 and engage a second mutilated gear 28 which drives a crank arm 30.
Patent GB-384041-A (GB)
Title: Improvements in and relating to electrically driven vehicles
IPC: B61C9/44
Filed: 1931-10-24
Abstract: 384,041. Electric vehicle driving-gear. AKT.-GES. BROWN, BOVERI, ET CIE, Baden, Switzerland. Oct. 24, 1931, No. 29573. Convention date, Oct. 25, 1930. [Classes 79 (ii) and 79 (iii).] Comprises driving-gear in which an electric motor b fixed to the main frame drives the axle a through gearing d, f, the large toothed wheel or wheels f being journalled on sleeves l fixed by flanges i to the motor, and the motor casing being cut away adjacent to the axle so that the axle may be arranged close to the stator iron e of the motor. A part-tubular cover p connects the motor flanges m together and protects the axle and stator. The gear wheels f rotate on brasses o having conical end faces n, and drive the track wheels g through universal couplings k. In a narrow-gauge vehicle the track-wheel hubs h are offset from the tyres so as to allow space for adequate bearing surfaces for the gear wheels. Two motors may be used driving a single shaft disposed either between or on the same side of the motors.
Patent GB-466332-A (GB)
Title: Improvements in or relating to the manufacture of bearings
IPC: B22D19/08
Filed: 1935-11-25
Abstract: 466,332. Making bearings. GLACIER METAL CO., Ltd., and BATE, J. Nov. 25, 1935, No. 29579/36. Divided out of 466,273. [Classes 83 (i) and 83 (ii)] Casting composite articles.-Flat bearing blanks are made as described in Specification 466,273, except that the depression or depressions 1, Fig. 3, are always half sheared and are of indefinite length and without end walls so that the coated strips S, Fig. 2, produced require subdividing, as at X ... X, before forming into bearings.
Patent GB-484456-A (GB)
Title: Improvements in or relating to foot-muffs, wraps, cushions, overlays, eider-downs and other like articles of soft furniture
IPC: A47G9/02
Filed: 1937-10-29
Abstract: 484,456. Muffs. BLANCH, W. M. Oct. 29, 1937, No. 29599. [Class 141] [Also in Groups IX and XIV] Comprises the combination of a wrap, rug, overlay, quilt or similar covering b attached to one edge c of a pouch-like member a adapted to serve as a foot muff and within which the folded up wrap &c. may be accommodated when out of use, the wrap &c. then forming a padding for the pouch-like member enabling it to be used as a cushion.
Patent GB-1361496-A (GB)
Title: Web splicing machine
IPC: B65H19/18
Filed: 1971-06-24
Abstract: 1361496 Splicing webs R L R LUCAS 24 June 1971 [29 June 1970] 29653/71 Heading B8R Apparatus for splicing a replacement web 27 carried by a standby roll 28 to a running web 29 unwinding from a supply roll 30 comprises a relatively displaceable pair of rollers 4, 5 between which is clamped the adhesively prepared leading end 34, 35 of the web 27; when the roll 30 is nearing exhaustion the roller 4 is driven by a motor (10), controlled by tacho-generators (24, 25) Fig. 1 (not shown) to accelerate the web 27 up to the speed of the running web 29, thereby advancing the web through a V-shaped guide shoot 16, 17 to pressure rollers 13, 15 which when activated urge the webs 27, 29 together to effect the splice, the expiring web 29 then being severed by the operation of a cutter 18. The roll 28 then becomes the supply roll, and a new standby roll 30 can be positioned in the apparatus, the splicing of the replacement web to the running web then being effected as described above but utilizing rollers 6, 7 instead of rollers 4, 5 and cutter 19 instead of cutter 18. Initiation and control of the splicing operation may be effected automatically.