baber/WOPTO huggingface dataset:
Patent GB-448259-A (GB)
Title: Improvements in sewing machines
IPC: D05B27/18
Filed: 1934-12-04
Abstract: 448,259. Sewing - machines. ARMSTRONG, J. J. V., 12, Church Street, Liverpool.- (Union Special Machine Co. ; 400, North Franklin Street, Chicago, U.S.A.) Dec. 4, 1934, No. 34788. [Class 112] A sewing-machine of the overhead scale pan type has a horizontal reciprocating needle bar and a looper bar mounted for endwise and oscillating movements about its axis, the two bars being reciprocated from a main actuating shaft by cranks disposed substantially diametrically on opposite sides of the axis of the shaft, the looper bar being connected through a rocking lever so that it reaches the forward end of its stroke substantially as the needle bar reaches the forward end of its stroke. The needle bar 20 is connected by a link 31 to a crank 29 on a main shaft 18 and the looper bar 23 is connected by a collar 45, link 41 and arm 34 to a sleeve 35 oscillating on a bush 36 on a fixed shaft 37. The sleeve 35 has a depending arm. 48 having a ball-ended pin 49 connected by a link 50 to a crank 51 substantially opposite to but of slightly smaller throw than the crank 29. The bar 23 is oscillated by means of a collar 46 having a ball ended pin 46<a> connected by a rod 46b to an eccentric on the shaft 18. A spreader 26 is carried by a bar oscillated by a ball-ended pin 59 and rod 60 from another eccentric on the shaft. The two feed cups are geared together by gears 11, 12 and the shaft of the inner one is moved intermittently by a clutch connected by a link 14 to a pin 15 mounted on an arm pivoted on a pin 16 which can be moved from the outside of the casing to adjust the throw of the clutch. The pin 15 is connected by a rod 17 to another eccentric on the main shaft 18. The rod 37 is secured to the casing by screws 56 with sealing washers 57. A pillar 69 is adjustably mounted on a flattened shoulder of a sleeve 4 surrounding the shaft of the inner feed cup 5 and fixed on the lower end of this pillar by a screw 76 is a needle guard 73, Fig. 4, having a curved part 74 conforming to the periphery of the cup 5 and having a notch 75 for the needle. A stitch finger 77 is mounted on the guard 73 by screws 78. A flange 79 is provided on a sleeve 7 surrounding the shaft of the outer feed cup 6 and on this flange is mounted a bracket 80 which adjustably carries front and rear needle guards 81, 87 having curved edges conforming to the cup 6. A V-groove 86 is formed in the bracket 80 to receive the needle which is prevented from being pulled up by the looper, as it engages the needle thread, by a top guard 91 secured by screws 92. The guard 87 has an edge overlapping the feed cup to strip the material being stitched. Specification 374,331 is referred to.
Patent GB-1507886-A (GB)
Title: Expandable ring having segment with spring engaged crossed arms
IPC: A44C9/02
Filed: 1975-08-22
Abstract: 1507886 Expandable finger ring G BALLESTER 22 Aug 1975 35021/75 Heading A3H An expandable finger ring 10 comprises a major segment 12, a minor segment 14 movable between a normally retracted position (Fig. 3) and an expanded position (Fig. 4) against the action of springs 38, 40 and a pivotal linkage comprising a pair of crossed arms connecting the two segments. In the embodiment shown the pivotal linkage comprises intermediate links 78, 80 connected between tubular portions 70, 72 on the minor segment and respective one ends 82, 84 of oppositely extending cross-over link arms 86, 88 the respective opposite ends of which are connected at 90, 92 between the bridge members 24 which connect respective side walls of recesses 32, 34 in the free ends of the legs 28, 30 of the major segment 12. In the embodiment of Figs. 7 to 10 (not shown) the major segment is in two sections hinged at (104) and the pivotal linkage comprises a pair of bellcrank levers (106, 108). In the embodiment of Fig. 11 (not shown) coil springs (130, 132) replace the leaf springs 38, 40.
Patent GB-466262-A (GB)
Title: Improvements in and relating to protective glass containing neodymium
IPC: C03C4/08
Filed: 1936-12-21
Abstract: 466,262. Glass manufacture. DEGEA AKT.-GES. (AUERGES). Dec. 21, 1936, No. 35114. Convention date, May 25. [Class 56] Relates to protective glasses, for the lenses of snow goggles and the like, to which neodymium is added to increase contrast between colours seen through the lenses. According to the invention, vanadium is added to the glass to increase the absorption of ultra violet radiation, and other substances are added to neutralize the green colouration caused by the vanadium. Suitable substances are a mixture of nickel oxide and cobalt oxide, or a mixture of cobalt oxide and manganese sesquioxide.
Patent GB-1243046-A (GB)
Title: Novel photographic processes and products
IPC: G03C8/12
Filed: 1968-07-23
Abstract: 1,243,046. Colour photography. INTERNATIONAL POLAROID CORP. July 23, 1968 [July 24, 1967], No. 35134/68. Heading G2C. Photographic colour process comprises (i) forming an imagewise distribution of a silver complex by development of an imagewise exposed silver halide emulsion, (ii) reacting the imagewise distribution with a material to alter the diffusibility of the latter and thereby form an imagewise distribution of diffusible colour-forming material, and (iii) forming a colour transfer image as a result of the preferential diffusion of the diffusible colourforming material. In a first embodiment, the material is a diffusible dye which is rendered non- diffusible by reaction with the silver ions or complex (e.g. a dye containing an anti-fogging moiety) and is situated either in the silver halide emulsion layer, or in a separate layer in the same or different material, the distribution being transferred to this layer by silver salt diffusion. The dye used in the emulsion layer may, if necessary, be rendered photographically innocuous by complexing, e.g. with a Zr salt, and the colour of the transferred dye may be altered, e.g. by treatment with a metal salt. In another embodiment there is similarly used a non-diffusible dye which reacts with the ions or complex to release a diffusible dye. Reference is also made to the use of materials which, on reaction, release a colourless colourformer which is subsequently coloured.
Patent GB-509926-A (GB)
Title: Improvements relating to uniflow scavenging of the cylinders of two-stroke cycle internal combustion engines
IPC: F02B75/02
Filed: 1937-12-20
Abstract: 509,926. Cylinders. BUSSING-NAG VEREINIGTE NUTZKRAFTWAGEN AKT.- GES. Dec. 20, 1937, Nos. 35173, 35174 and 35175. Convention dates, Jan. 21, 1937, Jan. 21, 1937, and Nov. 29, 1937. [A Specification was laid open to inspection under Sect. 91 of the Acts, June 20, 1938.] [Class 7 (ii)] In a two-stroke engine cylinder provided with uniflow scavenging, a single row of pistoncontrolled admission ports is arranged so that one or more of them are directed radially downwardly into a hollow piston head, while others are tangential. In Figs. 1, 4 radial and tangential ports are arranged alternately in two groups 1 ... 11 and 2 ... 12, the ports 1 ... 11, at a lower level, being controlled by slots in the piston so that all the ports are opened simultaneously. The top and bottom walls of one set, e.g. the ports 1 . . . 11 are differently inclined as shown, those of the other set being transverse. Figs. 11, 12, 13 show a further arrangement for a cylinder having an eccentric cavity 50 in the piston, Fig. 13, comprising sections through the numbered ports. In a further arrangement, three equallyspaced radial ports are directed into a piston cavity, the remainder being tangential ports, directed upwards. The piston controlling the ports may be one of a pair of opposed pistons. Specification 437,584 is referred to.
Patent GB-909233-A (GB)
Title: Improvements in or relating to optically active 1-(3-4-dihydroxyphenyl)-2-amino ethanols
Filed: 1958-11-03
Abstract: The invention comprises optically active laevo-rotatory compounds of the formula <FORM:0909233/IV (b)/1> and acid addition salts thereof such as the hydrochloride, phosphate, acetate and benzoate, wherein R11 is a branched or straight chain alkylene group of 2-5 carbon atoms and Y1 and Y2 are hydrogen or hydroxyl; and comprises also the preparation of these compounds by reacting an aldehyde or ketone of the formula <FORM:0909233/IV (b)/2> wherein Y11 and Y21 are hydrogen atoms, hydroxyl groups or ether groups convertible to hydroxyl, with laevo-rotatory 1-(31,41-dihydroxyphenyl)-2-amino-ethanol-(1), reducing the Schiff base obtained and when Y11 and/or Y21 are ether groups, converting them to hydroxyl groups.  Suitably the reduction of the Schiff base may be effected by catalytic hydrogenation in which case Y11 and Y21 may be benzyloxy groups which are converted to hydroxy groups during the hydrogenation.  Specified products include laevo-2-(11-methyl-31-phenylpropyl)amino-, and 2-(11-methyl-21-p - hydroxyphenylethyl)amino-, 1-(311,411-dihydroxyphenyl)-ethanol.  The products are used pharmaceutically as bronchodilators.  Specification 789,033 is referred to.
Patent GB-1085113-A (GB)
Title: Electrolytic capacitors
IPC: H01G9/04
Filed: 1965-08-17
Abstract: An alloy suitable for making the anode of an electrolytic capacitor consists of 50 to 96 atomic per cent of niobium and the balance titanium or zirconium.  The zirconium may contain up to 2.3% by weight of hafnium and the niobium may contain small amounts of tantalum.  Tolerable impurities are up to 500 ppm of iron, 700 ppm of oxygen and 500 ppm of silicon, and smaller amounts of nitrogen, manganese and copper.  The compositions of preferred alloys are given in weight per cent.
Patent GB-848074-A (GB)
Title: Improvements in or relating to wardrobes
Inventor: BROWN ALFRED FREDERICK
IPC: A47B61/00
Filed: 1955-12-08
Abstract: 848,074. Folding cabinets. HARRIS LEBUS Ltd. Dec. 7, 1956 [Dec. 8, 1955], No. 35280/55. Class 52(1) The back of a collapsible cabinet is divided vertically into separable sections 10, 11 hinged to the side panels 8, 9 which are also hinged to the front pilasters 4, 5 so that the parts can be folded to lie parallel to the front of the cabinet. The top and bottom panels can be slidably inserted in grooves in the side panels and when removed can be stowed behind the outwardly offset door or doors 1.
Patent GB-1068878-A (GB)
Title: Method and apparatus for sedimentation of solid impurities from liquids
IPC: B01D21/00
Filed: 1964-08-28
Abstract: 1,068,878. Settling tanks. KRALOVOPOLSKA STROJIRNA ZAVODY CHEMICKYCH ZARIZENI NARODNI PODNIK. Aug. 28, 1964 [Aug. 29, 1963], No. 35319/64. Heading B1D. Liquid containing suspended solids passes successively through three settling tanks 3, 5, 12, entering each tank at a low level by distributors 2, 17, 22 and flowing upwards therein, clean liquid being removed from each tank by overflows 8, 18, 23 while a partly cleaned fraction of liquid is collected by outlets 6, 16 at intermediate heights in tanks 3,5 and conveyed to the distributors 17, 22 of tanks 5, 12. The progressively reduced upward velocities permit successively finer solids to deposit in each tank, the solids in the form of sludge being drained of and conveyed by lines 9, 20, 27 to an unspecified filter 11 for further treatment. Flow rates are regulated by various valves 10, 13, 14, 21, 24, 26 to achieve desired purity in outflowing liquid. In Fig. 2 (not shown) sludge from tank 3 is delivered into tank 5 by distributors (28) located above the partly cleaned liquid distributors 17, whereby this sludge falls through the rising liquid being washed thereby and capturing finer solids therefrom. In Fig. 3 (not shown) an auxilliary upward flowing washing liquid is delivered by distributors (29) into tanks 5. 12. Settling may be improved by adding chemical coagulants.
Patent GB-741078-A (GB)
Title: Positive head for high-intensity blown arc lamps
IPC: H05B31/18
Filed: 1953-12-18
Abstract: 741,078. Arc lamps. GRETENER, E. Dec. 18, 1953 [Dec. 20, 1952], No. 35349/53. Class 39 (1). Positive head for a high-intensity blow arc lamp comprises two contact jaws 10 and 11 and a carbon guide 12, the carbon guide 12 being located at the rear of the jaws and fixedly mounted with respect to the optical system of the lamp, the contact jaws 10 and 11 embracing the carbon 3 under pressure as near as possible to its tip and being movably supported in a manner to permit their displacement in a radial direction from the carbon axis and the jaws serving to supply electric current and a coolant to the carbon and including air jet nozzles 13. The angle-shaped carbon guide 12, or a plurality of guides, preferably of low friction coefficient steatite, are mounted on a support 21, the carbon 3 being subjected to the pressure of a spring 14, and the jaws 10 and 11 are connected to the support 12, fixed to the lamphouse, by three pairs of flexible ducts 22, 23 and 24 of metal hose or metal bellows, the pair of ducts 23 serving to convey blower air to the jaws and the two pairs of ducts 22 and 24 serving to convey coolant, preferably liquid, to the chambers 33 in the jaws, the ducts also serving to supply current to the jaws through the lead 25. The carbon 3 is continuously advanced by transport rolls 15 rotated by a source of energy under photo-electric control to keep the crater 2 at the focus of the optical system. The support 21 and the parts connected to it are located substantially within the shadow cone of the jaws 10 and 11 thrown by a concave reflector to the right of the negative carbon 4. Contact pieces 35 of highly conductive material such as silver are attached to the inside of the jaws and are preferably replaceable. The contact pieces may be in immediate contact with the cooling liquid, the inner wall 36 of the jaws being absent. Two diametrically opposed prongs 18 of a fork are pivoted on the support 21 and have pressure blocks 20 engaging in recesses in the jaws 10 and 11 under the action of a spring 19. Alternatively the parts 22, 23 and 24 are formed of substantially rigid resilient tubes mounted under tension to produce spring-pressure on the jaws. The tubes may be of rectangular crosssection.
Patent GB-785981-A (GB)
Title: Improvements in or relating to electric coffee mills
IPC: A47J42/26
Filed: 1954-12-07
Abstract: 785,981. Coffee mills. CAZORLA, J. F. Dec. 7, 1954 [Dec. 7, 1953, Dec. 7, 1953, Dec. 7, 1953]. No. 35367/54. Class 59 An electric coffee mill comprises a body 1 provided with an inner cover 2 to which an outer cover 3 is secured to form therebetween a grinding chamber within which is located a chopping knife 22 driven by a motor 5 mounted within the body 1, the mill carrying prongs 19 for attachment to a power plug B. The motor commutator 6 is engaged by spring-urged brushes 8, 8<SP>1</SP> guided in parts 1<SP>1</SP> integral with the body 1. The motor axis is supported at its upper end by a spring-influenced collar 11 and at its lower upper end by an adjustablymounted ball bearing. The motor stator 7 is supported by a screwthreaded cover 4. The plate 20 carrying the prongs 19 is rotatable so that the prongs may be disposed in vertical or horizontal position. The cover 3 is secured to a cover 2 by a screwthreaded connection and the cover 3 is provided with wings 18 for supporting it or the mill in inverted position. The body 1 is formed of dieletric plastic material and the cover 3, which is transparent, is provided with graduations 3<SP>1</SP> so that it also serves as a measure for the coffee. In operation, the mill is inverted and the body 1 unscrewed from the cover 3. The latter is filled with coffee grains and the body 1 screwed on in inverted position. The mill is then connected in its vertical position to the power plug B. Specification 739,246 is referred to. -
Patent GB-937590-A (GB)
Title: Improvements in eddy current couplings, clutches, brakes and dynometers
IPC: H02K49/04
Filed: 1961-09-29
Abstract: 937,590. Eddy current apparatus. EATON MANUFACTURING CO. Sept. 29, 1961 [Jan. 25, 1961], No. 35421/61. Class 35. In an eddy current coupling, clutch, brake or dynamometer the eddy current inductor comprises a pair of drums 149, 151 separated by and welded to a non-magnetic ring 161, a further assembly of drums 157, 159 and non-magnetic ring 163 being joined to the first assembly by fins 153 so as to provide longitudinal passages 165 (Fig. 2) for coolant. As described, a pair of ferromagnetic rings 133, bolted together, support a coil 135. The inductor drums 149, 151, 157, 159 are of iron or steel and are carried by the drive shaft 141. The left-hand end of the inductor assembly is supported by a member 167 having a bearing 171, carried by a hub 173. The shaft 147 is journalled in bearings 145, 181 and carries a toothed ferromagnetic rotor 187. When the coil 135 is energized, a magnetic flux path 209 is cut by members 157, 159 so that eddy currents induced therein produce a field which causes the member 187 to rotate the shaft 147. The slip between shafts 141, 147 is dependent on the current in coil 135 which is controlled by a tacho-generator 207 driven by a belt 205. Cooling.-Ports 199, provided in the rotating member 167 cause movement of air via ports 203, along axial ducts 165 (Fig. 2) in the eddy current inductor and out via ports 213. Air flow is also created between the teeth of member 187. Specification 887,964 is referred to.
Patent GB-1340718-A (GB)
Title: Method of and device for heating gaseous or liquid media to  high temperatures
IPC: F22B7/00
Filed: 1971-07-28
Abstract: 1340718 Fluid heaters; liquid heaters MESSER GRIESHEIM GmbH 28 July 1971 [7 Aug 1970] 35444/71 Headings F4S and F4A In a fluid heater for heating gases or liquids and having a combustion chamber comprising a main part 2 bounded by end walls 5 and 6 and fired by a burner 6a operating at above atmospheric pressure and an extension 3 in the form of an annular duct 7, medium to be heated, entering under pressure through inlet 14, flows first through an annular passage 9 and then through a return annular passage 10 surrounding the combustion chamber before finally leaving via a collector ring 15 in the direction of arrow C. Combustion gases from the burner, on leaving the main part 2, flow through the duct 7 at the velocity of sound into a collector ring 8a from whence they are discharged in the direction of arrow A. Burner operation may be monitored by a pressure sensor disposed in the combustion chamber. Cross-sectional constrictions, e.g. webs inclined at an oblique angle to the direction of flow, may be provided in the combustion gas duct 7, and a helical web may be disposed in the inner annular passage 10.
Patent GB-1437018-A (GB)
Title: Phenyl pentenals and compositions containing same
IPC: A23L27/20
Filed: 1973-07-26
Abstract: 1437018 Flavourings for food and tobacco INTERNATIONAL FLAVORS & FRAGRANCES Inc 26 July 1973 [1 Aug 1972 (2) 25 Aug 1972 (2)] 35643/73 Headings A2B and A2C [Also in Divisions A5 C2 and C5] The organoleptic properties of food and tobacco are altered by adding compounds of formula (I) wherein A or B is where R is hydrogen or lower alkoxy containing 1 to 5 C atoms, R 1  is hydrogen or lower alkyl containing 1 to 5 C atoms, R 2  and R 3  are the same or different lower alkyl containing 1 to 4 C atoms are R 2  and R 3  together are alkylene containing 2 to 4 C atoms and m and n are integers of 1 to 5 inclusive, and (m + n) is 2 to 7, and wherein one wavy line is a double bond, the other two wavy lines being single bonds, and the remaining valence of each C atom is satisfied by hydrogen or lower alkyl of 1 to 5 C atoms, or (II) where one of X or Y is phenyl and the other is hydrogen, one of the wavy or dashed lines is a double bond and the other two are single bonds, and A is where R b  and R' b  are the same or different C 1 -C 5  alkyl or taken together form a C 2 -C 4  alkylene group or (iii) The flavouring effect may be tomato, turnip, carrot, walnut, cocoa or grapefruit.
Patent GB-430361-A (GB)
Title: Improvements in or relating to transfers
IPC: B44C1/17
Filed: 1933-12-20
Abstract: 430,361. Inks. PEACE, H. E., 22, Ludgate Hill, Birmingham. Dec. 20, 1933, No. 35798. [Class 146 (iii)] [See also Group XVI] A transfer ink, adapted to be printed by lithography or an equivalent process on to paper and to be transferred without the assistance of water or other liquid to leather, fabric, or other flexible and extensible material, or to enamelled iron or wood, or a surface coated with a cellulose paint or lacquer, consists of a resin and a softener mixed and ground together with colouring-materials, and a working-medium or thinner which is added in sufficient proportions dependent on the temperature. The resin may be ordinary or fine resin, or dammar gum ; white wax, tallow, spermaceti, castor oil, or linseed oil, alone or mixed with benzyl alcohol or venice turpentine may 'be employed as the softener; and the working-medium may be resin and benzyl alcohol or venice turpentine with or without the addition of castor oil, boiled linseed oil, or tallow and a small proportion of a drier such as a mixture of a manganese salt and sugar of lead ground in linseed oil. According to examples, colour or pigment is mixed with (a) fine resin, white wax, tallow, and benzyl alcohol, and thinned with a mixture of resin, benzyl alcohol, and castor oil ; (b) resin, white wax, tallow, and venice turpentine, and thinned with a mixture of resin and venice turpentine; (c) dammar gum, spermaceti, and benzyl alcohol, and thinned with resin and benzyl alcohol; and (d) resin, benzyl alcohol, castor oil, and boiled linseed oil, a thinner being added.
Patent GB-1071957-A (GB)
Title: Reversible pump turbine
Inventor: LAUBE GOTTFRIED
IPC: F03B15/00
Filed: 1964-09-03
Abstract: 1,071,957. Hydraulic turbines and pumps. ENERGIEPROJEKTRIERUNG VEB. Sept. 3, 1964, No. 36104/64. Headings F1C and F1T. In an hydraulic machine 1 operable as a turbine, when its rotor rotates in one direction, or as a pump, when its rotor rotates in the reverse direction, one end of the rotor shaft is connected to the inductor of an electrical machine 3 operable as a motor or a generator, whilst the other end is connected to a further turbine rotor 4 which serves for braking of the rotor of the hydraulic machine when the latter is operating as a turbine and for starting up of this rotor so that the hydraulic machine operates as a pump. The invention is shown applied to a water storage plant. The machine 1 may operate as a turbine and drive the machine 3, operating as a generator, water in this case being admitted through ball valve 5 and exhausted through a duct 2 and throttle valve 7. In order to change to pump operation, valves 5 and 7 are closed, a valve 8 is opened to drain water from the duct 2 and the machine 1, and a valve 6 is opened to admit water to the further turbine rotor 4, which is constructed as a Pelton wheel. The rotor of machine 1 is thus braked to a standstill and consequently accelerated, in the reverse (i.e. pumping) direction, to the synchronous speed of the machine 3, which latter machine is then electrically synchronized and, operating as a motor, drives the rotor of machine 1. Valves 6 and 8 are closed prior to opening valves 5 and 7, machine 1 then operating as a pump. In order to revert to turbine operation, machine 3, acting as a motor, is switched off. Valves 5 and 7 remain open and consequently water flows through the rotor of machine 1 in the reverse direction to that of pump operation, thus braking the rotor and running it up to the synchronous speed in the turbine direction of rotation. After electrical synchronisation, the system can then be operated as a turbine-generator set. The necessary electrical and hydraulic connections (not shown) are automatically controlled. The hydraulic thrust occurring in either turbine or pump operation can be utilized to compensate the vertical loading to which the axial support bearing (not shown) of the rotating assembly is subjected.