baber/WOPTO huggingface dataset:
Patent GB-482652-A (GB)
Title: Photographic production of colour pictures
IPC: G03C7/30
Filed: 1936-08-26
Abstract: 482,652. Colour photography. I. G. FARBENINDUSTRIE AKT.-GES. Aug. 26, 1936, No. 23428. Convention date, Aug. 30, 1935. [Class 98 (ii)] In a process for producing colour pictures by the use of a photographic material having several superimposed silver halide emulsion layers arranged on one or both sides of the support, some of the emulsion layers contain colour formers and are converted into colour images by colour development and the other emulsion laver or layers are converted into residual colour images by means of a developing substance present in the layer and capable itself of forming a colour image by virtue of its developing action. Developing substances for producing the residual image include the compounds obtained by introducing into pyrocatechol, o-methylaminophenol or 4-aminomethylphenylpyrazolone residues imparting a substantive character thereto, such as those of diphenyl, stilbene, azoxybenzene, 2 : 3-oxynaphthoic acid, diarylureas, benzthiazole, oxyanthracenecarboxylic acids and oxycarbazolecarboxylic acids. The residues of stearic and oleic acids may be introduced into the compounds to diminish solubility. Derivatives of 1 : 4 - oxynaphthalenemonomethylether containing substantive groups give a blue residual image and derivatives of methylaminophenol containing substantive groups produce red and yellow residual images. A three-layer film comprises a top non-colour-sensitized silver halide layer containing 1-(p-aminophenyl)-3- methyl-4-amino-5-pyraxolone containing a substantive group, an orthochromatically sensitized layer containing 1-p-(2-oxy-3-naphthoylamino)phenyl-3-methyl-5-pyrazolone, and a redsensitized layer containing 3 : 5-di(phenylamino) phenol. On development with p-dimethylamino-aniline in absence of sulphite, red and blue images are produced in the two lower layers, while the alkalinity of the developing solution causes the developing substance in the top layer to produce a yellow residual image. The use of 1-p-stearylaminophenyl- 3-methyl-4-amino-5-pyrazolone as a developer for producing a yellow residual image is referred to. Specification 458,400 is referred to.
Patent GB-264206-A (GB)
Title: Improvements relating to electric switch gear
IPC: H01H1/22
Filed: 1926-06-14
Abstract: 264,206. Anderson, Boyes, & Co., Ltd., and Guthrie, H. H. June 14, 1926. Contacts. - Movable main and auxiliary contacts 9, 9<a> interconnected by a laminated spring 12 are secured to a member 3 pivotally mounted on a crank arm 2 extending from a rotary shaft 1 so that on rotation they abut against fixed contacts 10, 10<a> on a support 11. A spring 6 is connected between a portion 7 on the shaft 1 and a tension-adjusting screw 8 passing through the member 3, the rotation of this member being limited by shoulder 4 on the crank arm. After the contacts have come into engagement further rotation of the shaft 1 rocks the member 3 against the spring 6 so causing a wiping action between the co-operating pairs of contacts.
Patent GB-1376209-A (GB)
Title: Dynamoelectric machine having field excitation
IPC: H02K19/36
Filed: 1972-05-19
Abstract: 1376209 Excitation arrangements for alternators GENERAL ELECTRIC CO 19 May 1972 [22 June 1971] 23603/72 Heading H2A A compound, static excitation system for a polyphase alternator comprises a polyphase transformer 15 having a first (current) primary winding 16 formed by leads 16a of the main armature winding 11 of the alternator, a second (voltage) primary winding 19 energized from a supplementary stator winding 20 responsive to the rotating field of the alternator, and a secondary winding 23 which supplies power to the rotating field winding 7 of the alternator via stationary rectifier 9 and slip rings 8. The excitation is controlled either by thyristors 10 in the rectifier circuit or by a further D.C. saturating winding on the transformer. The transformer comprises one laminated core 30 per phase and is mounted above the stator 1 either in a separate casing (55) disposed adjacent the main alternator casing 3 (Fig. 6, not shown), or (Fig. 2) in a domed portion 3a of the casing 3. The neutral ends of the main armature winding 11 are connected to a common star point 17, disposed either inside or outside the casing 3, via flexible leads 13 and bent, hollow conductors 31 which form both the single-turn first primary winding of the transformer and the primary winding of current-monitoring transformers 18. The supplementary winding 20 comprises, for each phase, a hollow stranded conductor (40, Fig. 3, not shown), disposed in a slot wedge (38). These conductors are connected together at one end of the stator 1 and, at the other end, are connected to the second transformer primary winding 19, being then returned to a common star point 22 via respective chokes 21a. Cooling.-In the alternator itself, hydrogen is circulated through the stator and rotor cores by a fan 2a, and liquid is circulated through the main armature winding conductors. The hollow conductors of the supplementary winding 20, the second transformer primary winding 19, the chokes 21a and the star point 22 are liquid cooled. The bent, hollow conductors 31, and star point 17, the transformer cores 30 and the general area of the dome 3a are cooled by gas circulated over a heat exchanger 25. Reference is made to Specification 1,376,210 in which the disclosure is substantially the same, the claims being directed to a common cooling system for the transformer and the alternator proper.
Patent GB-518489-A (GB)
Title: An improved machine for applying lids to containers
IPC: B21D51/26
Filed: 1938-08-10
Abstract: 518,489. Applying lids to containers. COLEMAN, A. M., BATER, C. C., and LEE, G. A. Aug. 10, 1938, No. 23622. [Class 125 (ii)] [Also in Group XVI] Lids are applied to vacuumized or other containers by a magnetic plunger head 11, Figs. 1 and 2, which takes the lowermost lid from a stack 10, Fig. 2, rotates through a right angle about a shaft 16 and by the action of a cam 24 and follower 25, thrusts the lid into a container positioned in a trough 18, 18a, Fig. 1, to which it has been passed from a shoot 17, after which the containers are lifted from the trough by a conveyer 27, which carries them to a discharge chute. A date may be stamped on the container while in the trough, e.g. by a rubber stamp which, by mechanism similar to that which actuates the plunger head 11, reciprocates vertically and horizontally and also rotates through a right angles to engage the ink pad and to stamp. The stamp may also be simply reciprocated and stamp through an inked tape as in a typewriter. The mechanism is adjustable for different sizes of container by sliding a framework carrying the stamp delivery shoot side member, and discharge shoot side member on bars 39, 40, 'Fig. 1, by a handwheel 41. A trip mecharism to stop the apparatus when there is no container on the delivery shoot or in-the trough comprises a pawl 56, Fig. 2, through which the machine is driven and which is lifted out of engagement with ratchet 57 fixed on shaft 16 when a trip lever 52, Fig. 1, is appropriately moved. A trip lever 60 in the discharge shoot acts similarly. Another trip device to break the drive to the elevator and stamping mechanism acts through a toothed pawl 73, Fig. 2, spring held in engagement with collar 72, the tension of the spring being overcome when a container or the user's arm becomes jammed in the elevator or the mouth of the discharge shoot. There is also a mechanism for taking the weight of the pile of lids while the lowermost lid is being removed. Specification 392,270 is referred to.
Patent GB-1247466-A (GB)
Title: Method for determining excess carrier lifetime in semiconductor devices
IPC: G01R31/26
Filed: 1970-05-15
Abstract: 1, 247, 466. Testing semi-conductor materials. WESTINGHOUSE ELECTRIC CORP. May 15, 1970 [May 28, 1969], No.23704/70. Heading G1U. The excess carrier lifetime in semi-conductor material of one conductivity type is determined by preparing in the material a region of opposite conductivity type to form a p-n junction, ultrasonically soldering contacts 20, 28 to the p and n regions, applying current pulses from a source 32 to the contacts, and observing on an oscilloscope 36 the decay in the voltage across the contacts following the termination of each current pulse.
Patent GB-1153362-A (GB)
Title: Heat Instulated Wall Construction for High Temperature Chambers.
IPC: F23M5/08
Filed: 1966-05-26
Abstract: 1,153,362. Coatings. FOSTER WHEELER CORP. 26 May, 1966 [1 July, 1965], No. 23721/66. Heading B2K. [Also in Divisions F2 and F4] A boiler or steam generator wall or enclosure 12 comprises tubes 14 and fins 16, a spray applied fibrous insulation layer 20 comprising asbestos, fibreglass, mineral wool or aluminium silicate fibres mixed with bentonite, Portland cement, or calcium aluminate cements, and an outer reinforced resin layer 24 composed of a thermosetting resin reinforced in part by the fibres of the insulation layer and in part by fibrous or powdered material applied with the resin. Metallic anchor holds 22 welded to the fins 16 help retain the insulation on the wall. Suitable resins, which are applied by a spray or a brush are styrene-modified polyester resins or epoxy resins. The reinforcing material may be asbestos, fibreglass, or powdered material (whiting, china clay, talc, perlite, pumice, mica, barytes, alumina, antimony trioxide, calcium sulphate, silica or powdered metal). If the fibres of the insulation are particularly fine, the penetration of the resin may be restricted by giving it a fast gel time. Suitable mechanical and thermal properties for the materials and the ways in which these properties can be realised by suitable additions are also described.
Patent GB-140709-A (GB)
Title: Improvements relating to tilting crucible or melting pot furnaces
IPC: B22D41/04
Filed: 1919-09-26
Abstract: 140,709. Soc. des Alliages et Bronzes. Forgeables. July 22, 1919, [Convention date]. Tilting furnaces.-A crucible furnace mounted to tilt about the pouring-axis has an opening 2 through which the end of a receiving channel-piece 3 can be inserted. This channel-piece can be mounted on a fixed base, as shown, or on a movable trolly.
Patent GB-188441-A (GB)
Title: Improvements in the construction of hinges particularly adapted for the doors of motor-cars and the like
IPC: E05D5/04
Filed: 1921-09-07
Abstract: 188,441. Fletcher, H. P. Sept. 7, 1921. Hinges.-A concealed detachable hinge fitting for the doors of motor cars and other vehicles comprises a bent flap 15 secured to the door and formed with a socket member 16 with which engages a removable pivot pin 25 screwed into bracket members 22, 22a detachably held by screws 29 against a plate 7 of the framework. By removing the screws 29, the door can be removed without detaching either of the plates 7, 18. The plate 7 is formed with an angle piece 8 with the slot 13 of which engages lugs on the bracket members 22, 22<a> when these members are secured in the assembled position.
Patent GB-1073465-A (GB)
Title: Non-contact thermometer
IPC: G01K7/34
Filed: 1964-06-09
Abstract: 1,073,465. Measuring electrically. HITACHI SEISAKUSHO KABUSHIKI KAISHA. June 9, 1964 [June 12, 1963], No.23859/64. Heading G1N. In a temperature measuring device of the kind in which a temperature dependent capacitor exposed to the temperature to be measured is included in a tank circuit which is supplied with current from a variable-frequency oscillator, the resonant frequency of the tank circuit being determined and used as an indication of the test temperature, compensation for deviation of the capacitor from a standard capacitance, for stray capacitance, and for variation of tank circuit inductance, is effected in the frequency determining elements of the oscillator supplying the tank circuit. In Fig. 2, a wien bridge oscillator 1 is connected through a buffer amplifier 1a and a coupling coil 2 to a tank circuit 3 mounted on a rotor 4, the temperature of which it is desired to measure. When the tank circuit is supplied at is resonant frequency, the voltage across the resistor 5 in the exciting circuit is at a minimum value; this condition is detected by using a CRO 6. A variable air capacitor C N  of standard capacitance is first connected alone across the terminals AB of the coil L S  on the rotor, and resistor R 2  is set to a datum value representing a standard temperature. Next, capacitor C N  is adjusted by the factor K by which a temperature-dependent ceramic capacitor, which will permanently replace C N , deviates from the standard capacitance. Capacitor C 2  is then set to compensate for the variation of the inductance of L S  by its being secured to rotor 4. Capacitor C N  is replaced by the ceramic capacitor, and R c  is adjusted to compensate for stray capacitance C 0 . In use, the frequency of oscillation of oscillator 1 is varied by adjustment of R 2 , which is calibrated for temperature indication. Other oscillators, e. g. a bridged-T or a parallel-T RC oscillator, may be used.
Patent GB-713609-A (GB)
Filed: 1952-09-23
Abstract: 713,609. Gravity-separation apparatus. STENGEL, E. Sept. 23, 1952, No. 23869/52. Class 111 In a sand-trap for waste-water purifying plant a separating chamber of circular cross-section is arranged transverse to the length direction and beneath the floor of a supply channel and is provided at its outflow side with a horizontal sill for directing the lower sand-containing layer of water into the separating chamber. Waste water coming from the right in Fig. 2 is diverted downwardly and rearwardly by an adjustable tongue 5 on a sill 4 into a separating chamber 3. The wave produced by the tongue causes agitation of the sand and sludge particles, the latter being carried away with the flow by reason of their smaller specific gravity. The sand settles at the bottom of the chamber 3 and passes thence down run-off ducts 10, 11, and through apertures 12, 13, Fig. 3, to lateral collecting shafts 6 and 7 from which it may be removed by compressed air after closing apertures 12, 13 by plates 14, 15 respectively. Any light particles remaining in the sand in shafts 6, 7 rise with the liquid and flow through apertures 8, 9 into the outflow channel 2.
Patent GB-404900-A (GB)
Title: A safety device for motor cycles or the like
IPC: B62J27/00
Filed: 1933-08-28
Abstract: 404,900. Safety supports for motorcycles. WEIERMILLER, S., Wilkowischken, Post Spannegeln, Insterburg Land, Germany. Aug. 28, 1933, No. 23873. [Class 136 (i).] A safety device for motor-cycles comprises a crossbar rigidly attached to the front of the cycle frame and extending outwardly on both sides of the cycle so as to be adapted, in the event of a side crash, to support the cycle high enough from the ground to prevent injury to the rider by the cycle. A crossbar p is fixed to the front frame member a of the cycle and projects on both sides, its ends, which are adapted to contact with the ground in the event of a side crash, being flattened or rounded, the footrest f and the rear corner of the tool-box w also coming into contact with the ground on the cycle falling sideways. The crossbar p is attached to the frame by bolting, welding, &c., or by means of clamps, sockets, or brackets, and may be reinforced by struts extending to other parts of the frame. A layer of resilient material may be interposed between the crossbar p and the cycle frame at the point of attachment, and shock-absorbing devices may be incorporated in the crossbar itself. The crossbar may be utilized to support leg-shields.
Patent GB-714934-A (GB)
Title: Improvements in and relating to domestic washing machines
Inventor: MARRITT CLIFFORD
IPC: D06F17/04
Filed: 1951-10-13
Abstract: 714,934. Washing-machines; wringers. PARKINSON STOVE CO., Ltd. Dec. 23, 1952 [Oct. 13, 1951], No. 23907/51. Class 138 (2) A washing-machine comprises a washing chamber 11 the horizontal cross-sections of which are substantially rectangular and which has smooth sides and ends with at least their upper portions upright, and a circulating pump 16 for drawing water from below the normal surface of the water in the chamber 11 and delivering it under pressure to one or more downwardly directed nozzles 24b, 24c arranged below the normal water level and close to one side which at the upper portion is flat and at the lower portion is inwardly curved in a partcylindrical surface having a radius approximately equal to half the width of the washing chamber the smooth unbroken surface of both these portions promoting efficient flow to induce rotary motion in the water about a horizontal axis. The pump 16 is driven by a motor 15 and is connected by pipes 24, 25 to the chamber 11. The inlet pipe 24 terminates at a manifold 24a (Fig. 5) carrying the nozzles 24b, 24c. The outlet pipe 25 terminates at a mesh grill 25a which projects into the chamber 11 and is shielded by a pivoted screen 11a. A drain pipe 26 for the chamber 11 has a cock 26a. An electric heater may be provided in a chamber communicating with the chamber 11 and drain pipe 26, Fig. 4, (not shown). Alternatively this chamber or the chamber 11 may be heated by a gas burner. Wringers. A second electric motor 14 (Fig. 1) is operatively connected to the lower roller 13c (Fig. 6) of a wringer 13 through sprockets 13a, 17 and chains 14a, 14b. The wringer has a platform 13d slidable in guide rails 12 and is movable from a raised operative position to a housed p'osition by means of a handle 18a on a lever 18 pivoted at 18b and connected by a link 18c to the platform 13d. A spring 18d urges the wringer to the raised position. Catch means (not shown) may be provided to lock the wringer in the' housed position. The pressure between the rollers can be released by means of pivoted transverse arms 23 engageable with cam projections 21a on one (21). of two toggle links which hold down a pivoted crosshead 19 carrying a bow spring (not shown).
Patent GB-822042-A (GB)
Title: Improved carbonylation process
IPC: C07C27/22
Filed: 1956-08-02
Abstract: In a carbonylation process in which olefinic compounds are contacted with carbon monoxide and hydrogen in the presence of a cobalt-containing catalyst in a carbonylation zone to produce aldehydes containing one more carbon atom in the molecule than the olefinic compounds, the solution containing the reaction products and dissolved catalyst is decobalted by treatment with an aqueous solution of a cobalt salt in which the cobalt is present in the form of a complex cation.  Suitable cobalt salts are, for example, cobaltous ammonium chloride, cobaltic ammonium chloride and cobalticene chlorides (a complex of cobalt chloride and cyclopentadiene).  When the cobalt salts recovered from the treatment are to be reused as catalyst in the carbonylation reaction it is preferred to use the ammonia or amine type complex compounds containing cations comprising cobalt and basic nitrogen groups such as [Co(NH3)6] + + + and [Co(NH2CH2CH2NH2)3] + + +.  Suitable anions include hydroxyl and halogen.
Patent GB-1147623-A (GB)
Title: Jet pump
IPC: G21C15/25
Filed: 1966-05-27
Abstract: 1,147,623. Measuring fluid-flow. GENERAL ELECTRIC CO. May 27, 1966 [May 28, 1965], No.24009/66. Heading G1R. [Also in Divisions F1 and G6] A jet pump comprises an elongate hollow body having inlet and discharge openings at opposite ends, a nozzle 27, Fig.2 adjacent the inlet opening and arranged to direct a jet of fluid into the inlet opening, the hollow body including an elongate mixing chamber 42 connected to the inlet opening 40 and a diffuser 44 and means for sensing pressure of fluid within the hollow body. Pressure taps 46, 49 are connected to each side of a differential pressure gauge 48 which gives an indication of fluid-flow. A recorder 51 may provide a permanent record. Alternative positions of the pressure taps are shown at 54, 58, 60, 64, 66, 70. The differential pressure gauge may be a Bourdon tube type, a manometer or a mechanical or electromechanical differential pressure transducer. The jet pump may be used in a nuclear reactor (see Division G6).
Patent GB-1371572-A (GB)
Title: Method of manufacturing an article constructed from two separate metal parts such as an article of jewellery
IPC: B22D18/06
Filed: 1972-05-23
Abstract: 1371572 Casting composite articles O E EBERLE 23 May 1972 [28 June 1971] 24067/72 Heading B3F [Also in Divisions B5 and C7] A method of manufacturing an article, e.g. jewellery, constructed of two metal parts comprises partially embedding a first metal part (11) in a model (30) of the second metal part, casting an investment material around said first part and said model, heating the investment material to melt the material of the model, allowing the melted material to run out of the investment to leave a cavity defining the shape of the second metal part and leaving the first metal part embedded in the investment but projecting into said cavity, subjecting the investment to a solvent for the material of the model, heating the investment, and casting a metal into the cavity to form said second metal part. The method may be used to make the gold rings described in Specification 1,314,662. After the first metal part has been embedded in a wax model the model is attached to a circular member (32) having a total of between 30 and 50 such models attached thereto. The member (32) and models (30) are then mounted on a rubber base (33) in a flask (36) and plaster of Paris cast in the flask. The base (33) and member (32) are then removed and the investment and flask heated to between 220 and 275 F. in steam at a pressure of between 5 and 20 p.s.i. to melt the wax and leave said first metal parts projecting into the cavities formed. Any wax remaining in the cavities after this step is removed by immersing the investment in a solvent for the wax, following which the investment is heated to between 400 and 600 F. prior to casting a metal in the cavities contained therein. The casting is carried out in a centrifugal casting machine, Fig. 10, the moulds being rotated about an axis 42 and molten gold being supplied from a crucible 43. Air is evacuated from the cavities via a pipe 45 and a manifold 46.
Patent GB-846764-A (GB)
Title: Steel framing for buildings
Inventor: MACOMBER ROBERT CHARLES
IPC: E04B1/24
Filed: 1957-07-30
Abstract: 846,764. Steel building frames. MACOMBER Inc. July 30, 1957. No. 24155/57. Class 20(2) A steel frame for a building comprises quickly detachable connections between columns and girders and/or girts and between other ends of purlins and intermediate parts of girders. The ends of a girder 28 have headed studs 37 adapted to engage keyhole slots 27 in channels 25 welded to a column 20 and the purlins 45 have similar headed studs 51 adapted to engage keyhole slots 43, having lateral openings 44, in channel members 42 on the girders. The ends of the girts 61 have hooks 65 adapted to engage channel brackets 60 on the columns. The girder chords are pairs of angles 31 between which V-section web members 32 are welded. The purlins comprise double channel section chords 46 connected by a zig zag rod web 47. The girts comprise double channel section chords 62 connected by plates 63 alternately reversely angled. Channel stiffeners 66 connect the girders and girts and bridging angles 52 connect the purlins. The frame is braced by crossed vertical and horizontal braces. The bridging angles 52 may be connected to the chord 46 of a purlin by loops 55 Fig. 15, welded to the purlin chord, passed through a slot in. the angle and secured by a wedge 57 finally bent over at the end.