baber/WOPTO huggingface dataset:
Patent GB-346334-A (GB)
Title: Improvements in or relating to means for automatically varying the compression ratio in the cylinders of internalcombustion engines
IPC: F02B75/04
Filed: 1929-12-04
Abstract: 346,334. Engine details. WALKER, B., 650, Highland Avenue, Piedmont, California, U.S.A. Dec. 4, 1929, No. 37143. [Classes 7 (ii), 7 (iv), 7 (v), and 7 (vi).] Cylinders, adjusting clearance of ; drizing-gear. - E x c e s s i v e pressure in the combustion chamber is prevented by providing for relative movement between the cylinder head and the crank shaft, such movement being resisted by a spring and dashpot. As shown in Fig. 1 the whole cylinder block is mounted to slide in guides at either end of the crank case, movement being resisted by a spring 22 which acts through a lever 15 and a shaft 8, eccentrically mounted on links pivoted to the crank case ; the dashpot comprises a cylinder 18 filled with a fluid and a perforated piston 17 ; flexible sealing tubes 6 are provided. In a radialcylinder engine, the clearance is adjusted by varying the throw of the crank shaft by rotation of an intermediate bush 42, Fig. 6, through a link 46 and a shaft 48, rotation of which, relative to the main shaft, is effected by axial motion of a bush 49 having a cam surface 51. As shown in Fig. 7 the several bearings of the crank shaft are formed in eccentric bushes 72 which are rotated together by connecting links 74 from a shaft 76. Timing ignition; regulating.-A link 80 connected to the magneto control 79 ensures that the timing is retarded as the clearance decreases, but a spring 83 and links 79a, 85, 87, and a one-way dashpot 86 cause a sudden opening of the main throttle valve 88 to retard the timing, the dashpot 86 allowing the timing slowly to return to its normal position. Turning-gear.-To relieve the compression at starting a lever is provided which is moved with the starter-motor switch and disengages a catch which throws out of action the dashpot 18 and the spring 22.
Patent GB-1404226-A (GB)
Title: Method of continuously producing strontium carbonate
IPC: C01F11/18
Filed: 1972-08-09
Abstract: 1404226 Strontium carbonate preparation KALI-CHEMIE AG 9 Aug 1972 [9 Aug 1971] 37253/72 Addition to 1,288,549 Heading C1A SrCO 3  is continuously produced by reacting SrS soln. with CO 2  introduced at 11 and 10 respectively into an agitated column 1, the gas stream being repeatedly interrupted by structures 5 inside the column which create at least 3 reaction zones A, B and C containing separate gas chambers 7 wherein the CO 2  and the H 2 S formed in the reaction collect and are conducted therefrom by pipes 8 into the next higher zone separately from the liquid, the resulting SrCO 3  being separated from the column at 13. The ratio of CO 2 /SrS input may be controlled by reference at 9 to the conductivity of the reaction liquid in the zone C, the conductivity preferably being kept a constant value in the range 3-10 mS./cm. corresponding to a Sr ion concn. of 2-10 g./l. The concn. of the SrS soln. added at 11 may be 30-70 g./l. and the process may be operated at a temp. of 60-90‹ C. The dried product has a bulk density of 0À4-0À8 g./cc. and a S content of 0À14% which can be reduced by washing with NaOH soln.
Patent GB-784734-A (GB)
Title: Device for producing a gas at low pressure from a supply of compressed or liquefied gas
IPC: F17C7/04
Filed: 1955-12-30
Abstract: 784,734. Storing gases under pressure. CARBONIQUE FRANCAISE. Dec. 30, 1955 [Jan. 4, 1955], No. 37351/55. Class 8(2). Freezing of the water vapour content of gas being expanded at a valve 13 in the discharge line of a compressed or liquefied gas cylinder 2 is prevented by warming the gas by conduction from a heated body of liquid 17 prior to said expansion to such an extent that the temperature of the expanded gas does not fall below 0‹C. In operation liquid carbon dioxide is forced up a dip tube 1 through a valved duct 5 and a coil 9 in the body of liquid 17, e.g., oil and the so vaporized carbon dioxide passes through a chamber 11 containing a sheathed temperatureresponsive bulb 21 which controls an electric heating element 19 and thence to the valve 13. Burstable safety capsules 4, 7 are provided at a discharge valve 3 and a union 6.
Patent GB-1121109-A (GB)
Title: Improvements in or relating to preparation of epsilon-caprolactams
IPC: C07D201/08
Filed: 1965-09-01
Abstract: Epsilon-caprolam and its derivatives are prepared by reacting an epsilon-hydroxy-caproic acid derivative in aqueous solution with ammonia or a primary amine in an amount from 1 to 10 moles per mol. of monomeric derivative or per ester equivalent of polyester taking into account the nitrogen contained in said derivative at a temperature from 250 DEG  to 450 DEG  C. under the autogenous pressure of the mixture in the absence of a catalyst and in the presence of a neutral salt soluble in water, and extracting the resultant e -caprolactam with a solvent. Epsilon-hydroxy-caproic acid derivatives are e -caprolactones, alkyl e -hydroxy caproates, e -acetoxycaproic acids, ammonium salts of e -hydroxycaprioc acid or e -hydroxycaproamides or capronitriles or polyesters of e -hydroxycaproic acid with molecular weights between 400 and 4000. The starting material is preferably a solution containing 5 to 25% by weight of the acid derivative.  The neutral salt may be an alkali metal or alkaline-earth metal salt of inorganic or organic acids having anions stable under the reaction conditions, e.g. sodium and potassium chlorides, bromides, fluorides, sulphates, orthophosphates, carbonates and acetates; ammonium chloride, bromide, fluoride, sulphate and orthophosphate; and lithium, calcium and barium chlorides, bromides and acetates.  Mixtures of these may be used. The neutral salt may also be the alkali metal or alkaline-earth metal salt of e -hydroxycaproic acid prepared in situ by the addition of an alkali metal or alkaline-earth metal compound, e.g. caustic soda or potash. In the case of e.g. a hydroxycaproamide or a capronitrile separate addition of ammonium or primary amine may not be necessary.
Patent GB-1478038-A (GB)
Title: Production of coloured articles
IPC: D06B11/00
Filed: 1974-08-27
Abstract: 1478038 Differential colour effects by drydyeing process HOECHST AG 27 Aug 1974 [25 Aug 1973] 37470/74 Heading DIB A process in which a material is dyed or in which a dyed material is discharged, comprises applying to the material in particulate form, in any order and/or in any mixture of two or more thereof (a) one or more dyestuffs and/or one or more agents necessary for the dyeing or discharging of the material and (b) one or more hydrates. The material is then heated to at least the melting point of the hydrate or mixture of hydrates. Preferred hydrates are salt hydrates e.g. sodium sulphate, dodecahydrate, disodium 'phosphate dodecahydrate, sodium acetate trihydrate, sodium carbonate decahydrate, or trisodium phosphate dodecahydrate. The hydrate may be formed in situ. Preferred materials are cellulosic, polyester or woollen fibres. The material is preferably a textile material which may be in the form of combed material, yarn, woven or knit fabric, as a non-woven fabric. The heating is preferably by contacting the material with a heated surface. Preferred dyestuffs are acidic, disperse, and reactive dyestuffs or components capable of coupling to form a dyestuff. The process is preferably used to obtain irregular dyeings. A multiplicity of differential dyeing effects may be achieved according to the dyestuffs, discharging agents or fixing methods used. Before applying the process, a background may be obtained by applying dyestuffs and/or agents in the liquid phase, e.g. by padding, followed by drying.
Patent GB-374993-A (GB)
Abstract: 374,993. Colour photography. SOC. FRANCAISE DE CINEMATOGRAPHIE ET DE PHOTOGRAPHIE FILMS EN COULEURS KELLER-DORIAN, 42, Rue d' Enghien, Paris. April 7,1931, No. 10297. Convention date, April 5, 1930. [Class 97 (i).] In order to reduce moirÚ in copying on to a lenticular film the pictures on another lenticular film, a doubly refracting medium such as Iceland spar or quartz is inserted in the path of the light rays. The doubly refracting medium is placed near one of the films and in such a manner that, if d is the base width of the lenticular elements of the film having the smaller lenticulations, a straight line parallel to the lenticulations will appear as two lines separated by a distance d/2 when viewed through the refracting medium. Specification 317,060, [Class 97 (i), Optical systems, &c.], is referred to.
Patent GB-375671-A (GB)
Abstract: 375,671. Calculating - apparatus. BRUNSVIGAMASCHINENWERKE, GRIMME, NATALIS & CO. AKT.-GES., and HAASE, R., 4, An der Paulikirche, both in Brunswick, Germany. Oct. 28, 1931,-No. 29927. [Class 106 (i).] Transfer-mechanism for counting apparatus and calculating machines comprises axially displaceable transfer discs with means for positively restoring the discs to normal position, the said means comprising an axially displaceable comb mounted on the shaft of the transfer discs. As shown in Figs. 1 and 2, applied to the revolutions or quotients counting mechanism of a machine for the four rules the numeral drums 2 are rotatably mounted on a shaft 1 and are adapted to be actuated by a single tooth disc 6 displaceably mounted on a shaft 7 in accordance with the displacement of the totalizer carriage. Each numeral drum is formed integral with a gear wheel 3 and a disc 4 with a projecting tooth 5. Each tooth 5 co-operates with a conical surfaced member 17<1> associated with a transmission disc 12<1> slidably mounted on a shaft 11, and adapted to be held in one or other of its adjusted positions by a U-shaped spring 14 engaging notches 15 or 16 in the shaft 11. The transmission discs 12<1>, 12<11>, &c. have pairs of teeth at progressively decreasing intervals thereon which, when the discs are moved by the transfer teeth 5, are movable in the path of the gear wheels of next higher denomination. The shafts 7, 11 are driven by gearing 8, 9, 10 from the main operating mechanism of the machine. The restoration of the transmission discs to the inoperative position is effected positively by a comb member 18 mounted in a groove in the shaft 11 and provided with projections 19 engaging slots in the hubs of the discs 12<1>, &c. The comb member 18 is held in normal or right-hand position against the action of a spring 21 by a thrust surface 20. When the shaft 11 is rotated from its initial position the comb member is moved to permit axial movement of the transmission discs and at the end of a rotation is moved to the right to restore the discs.
Patent GB-1282960-A (GB)
Title: Coaxial cable connector
IPC: H01R9/05
Filed: 1970-08-05
Abstract: 1282960 Coaxial connectors ITT INDUSTRIES Inc 5 Aug 1970 [12 Aug 1969] 37736/70 Heading H2E A connector for a coaxial cable which provides a clamping connection for both the inner and outer conductors of the cable comprises a conducting body 16 which accommodates at one end a tapered resilient aluminium member 56 and a threaded member 64 which co-operate to clamp the outer conductor 14 and make electrical connection to the portion 27 of outer shell 22 and at the other end a resilient plastics member 34 and an inner conductor 26 provided with a slotted box 28 to receive the inner conductor 10 of the cable which co-operate to clamp the inner conductor making electrical connection. Members 56 and 26 are provided with ridges to enhance clamping. 0-rings 43, 46 and 48 are provided to facilitate a vapour seal.
Patent GB-1394995-A (GB)
Title: Gasdischarge tubes
IPC: H01J17/38
Filed: 1971-08-13
Abstract: 1394995 Cold cathode discharge tubes NATIONAL RESEARCH DEVELOPMENT CORP 25 July 1972 [13 Aug 1971] 38100/71 Heading H1D A cold cathode arc discharge tube which can be used in a relaxation oscillator circuit, Fig. 2 (not shown), comprises an envelope consisting of two ceramic tubes 1, 2 each 25 mm. long and in diameter and 3 mm. thick and containing hydrogen at 0À5 torr and separated by a gap 7 of width 1 mm. The ends are sealed by metal plates 3, 4. Gap 7 is surrounded by a copper ring 5 having an annular groove 6, 5 mm. deep. The ring is used as a cathode and plate 3 or 4 as an anode.
Patent GB-870872-A (GB)
Title: Improvements in or relating to gas turbine engines
Inventor: KERRY THOMAS HENRY
IPC: F02C7/04
Filed: 1958-11-26
Abstract: 870,872. Direct lift jet propelled aircraft. ROLLS-ROYCE Ltd. Nov. 18, 1959 [Nov. 26, 1958], No. 38216/58. Class 4. [Also in Group XXVI] A gas turbine engine comprising means for rotating the engine between a horizontal and a vertical position whereby the engine can be used to provide forward or vertical thrust, has an air intake casing containing at least one peripherally extending air inlet port, a closure member for each port and mechanism for opening and closing each closure member. The air inlet passage 27 of a gas turbine engine has a series of angularly spaced apart, peripherally extending rectangular ports 28 each of which can be selectively opened or closed by a flap member 29. The flap members 29 are actuated by screw jacks 31 but may be actuated by hydraulic or pneumatic rams. During ground idling or low speed flight, the flap members 29 are open to admit air to the passage 27. The engine is mounted for rotation about an axis at right angles to its longitudinal axis so that the latter axis may be disposed either horizontally or vertically. The screw jacks 31 are interconnected with the mechanism for rotating the engine so that only those flaps which face in a forward direction relative to the movement of the engine through the atmosphere are opened during transition from one position to another. When the engine has attained the vertical position all the ports are opened. In a modification, Fig. 5, (not shown), the flap members 29 are mounted on links so that they move bodily away from the nacelle. In another modification, Fig. 9 (not shown) the ports 28 are closed by pairs of flaps adapted to form continuations of the inner and outer skins of the nacelle. To increase the air supply to the compressor, guide vanes may be mounted on the inner face of the nacelle adjacent the ports 28. In a further modification Fig. 12 a single port 60 on the underside of the engine controlled by a series of flaps 61 is provided. The port 60 communicates with a manifold 62 having an outlet 63 which leads to the passage 27.
Patent GB-342835-A (GB)
Title: Improvements in and relating to pencils
IPC: B43K19/14
Filed: 1929-12-13
Abstract: 342,835. Pencils. FORSSMAN, V. H., 31, Blumenthalstrasse, Cologne, Germany. Dec. 13, 1929, No. 38223. Drawings to Specification. [Class 146 (iii).] In order to facilitate sharpening, the sheath of pencils is formed of a strip of wood foil of a breadth equal to the length of the lead and wound round the lead in the form of a flat spiral. The foil is cut from a log of unseasoned timber, by a veneercutting machine, so that the majority of the cells lie in the longitudinal direction, and are uncut. To increase the strength of the pencil, it can be passed between heated compressing rollers which impart the desired cross-sectional shape.
Patent GB-341487-A (GB)
Title: Improvements in or relating to shedding mechanism for jacquard looms
IPC: G05D13/00
Filed: 1929-09-13
Abstract: 341,487. Loom pattern surfaces. HAEBLER, G., 74, Adalbertstrasse, Breslau, Germany. Sept. 13, 1929, No. 38254/30. Convention date, Sept. 13, 1928. Divided on 318,972, [Class 142 (i), Looms, Driving &c.]. [Class 142 (i).] A pattern surface for jacquards comprises a steel band, wire, ribbon, or the like having magnetized and non-magnetized regions along its length corresponding to cords which are to be operated. The band is made and utilized in the manner described in Specification 318,972, [Class 142 (i), Looms, Driving &c.].
Patent GB-1129496-A (GB)
Title: Improvements in and relating to shaft and like seals
Inventor: COURSE HENRY
IPC: F16J15/34
Filed: 1966-08-26
Abstract: 1,129,496. Shaft seals. GEORGE ANGUS & CO. Ltd. 3 Aug., 1967 [26 Aug., 1966], No. 38316/66. Heading F2B. A face seal comprises a sealing ring I which is mounted in a carrier ring 2 of elastomeric material and urged axially in use into facial contact with a co-operating part by a helical spring 6, the ring 2 having a cuff 3 which is constricted radially by at least one convolution 5 of the spring 6. The end of the spring remote from the ring 1 is formed as a lug 7. As applied to an impeller pump, Fig. 2, the seal is mounted on the shaft 10 with the cuff 3 constricted thereon by the convolution 5, the lug 7 engaging a hole 12 in the impeller 9 and the ring 1 pressed by the spring 6 into sealing contact with a bearing bush 11.
Patent GB-957696-A (GB)
Title: Improvements in and relating to containers, such as cartons
IPC: B65D5/74
Filed: 1962-10-10
Abstract: 957,696. Cartons. AKERLUND & RAUSING A.B. Oct. 10, 1962 [Oct. 26, 1961], No. 38405/62. Heading B8P. In a container having a base, side walls 1, and flaps 2 which form the top closure, a pouring channel is formed between the flap 2<SP>1</SP> and a cover sheet 4, which is placed across the top opening and secured to the insides of the flaps 2, by cutting off part of the flap along the perforation 7. The cover is attached to the flaps by means of the continuous glue seam 5 running around the opening and which is N-shaped across the flap 2<SP>1</SP>. To widen the channel the side panel adjoining 2<SP>1</SP> may be provided with converging crease lines 10, and also the flap 2<SP>1</SP> may be provided with a crease line 9. The cover sheet 4 may made of transparent material to facilitate inspection of the contents. After use the smaller flaps 2 are folded across the cover sheet, whereafter the larger flaps, by means of the locking arrangements, lock themselves as well as the smaller flaps. Alternatively all the flaps except 2<SP>1</SP> may be folded as above, and then the remaining flap 2<SP>1</SP> may thereafter be folded back over the flaps 2 and locked to these. A lining may be applied to the insides of the side walls and the flaps, also helping to strengthen the corner points. Specification 729,284 is referred to.
Patent GB-1087198-A (GB)
Title: Improvements in or relating to mixer-settler apparatus
Inventor: ALEXANDRE DENIS
IPC: G21F9/12
Filed: 1964-09-21
Abstract: 1,087,198. Contacting immiscible liquids; continuous mixing apparatus. COMMISSARIAT A L'ENERGIE ATOMIQUE. Sept. 21, 1964 [Sept. 19, 1963 (2)], No. 38513/64. Headings B1C and B1F. [Also in Division G6] In apparatus for the countercurrent contacting of two immiscible liquids in stages, each stage comprises a mixing section 1 and a settling section 2 and is provided with a removable agitator 8 driven by an electric motor, and the lower part of each mixing section receives the liquids to be contacted through inlets 16, 17. The heavier liquid enters the mixing section from an adjacent settling section via apertures 20 and 19 and the lighter liquid enters via aperture 18. An apertured dividing plate 5 assists mixing and circulation of the liquids. The mixture passes via aperture 12 to the settling section which is provided with perforated plate 15 to break up any emulsion. The agitator 8 (Figure 2, not shown) comprises two frusto-conical members 9, 10 connected at their large bases by a bar. In a modification (Figures 8-12, not shown), an entry channel for the two liquids is provided at the base of each mixing section. The agitator in this modification comprises upper and lower plates connected by four radial blades. The apparatus may be used for the separation of fission products from aqueous uranium or plutonium solutions by extraction with an organic phase (see Division G6). Extraction, washing, and re-extraction of the organic phase take place in different parts of the apparatus, which may be constructed of polyethylene stabilised with carbon black and may be of flat parallelepiped shape, each mixing and settling section being of sub-critical size.
Patent GB-858517-A (GB)
Title: Improvements in or relating to the welding of tubular members
IPC: B23K9/035
Filed: 1957-12-12
Abstract: 858,517. Welding by fusion. WALTHER & CIE A.G. Dec. 12, 1957 [Dec. 15, 1956], No. 38636/57. Class 83 (4). Tubular members 1, 2 are butt-welded using a backing ring 4 which is subsequently removed by washing out with water. The ring may be watersoluble and composed of sodium chloride and magnesium chloride with a binder of water glass or of calcium carbonate, alum and boric acid with a binder of water glass. Alternatively, the ring may be insoluble but formed of a composition, e.g. a natural earth, a starch compound, alum, sodium chloride and sodium silicate, which disintegrates to a mud when subjected to the washing out operation. The ring may be coated with lacquer. The Specification also refers to a known method in which a metal backing ring is chemically decomposed, e.g. by acid. Specification 709,824 is referred to.
Patent GB-1485973-A (GB)
Title: Mechanically actuated switches
IPC: H01H19/62
Filed: 1974-09-05
Abstract: 1485973 Mechanical interrupters ROBERT BOSCH GmbH 5 Sept 1974 [6 Sept 1973 15 Oct 1973] 38769/74 Heading H1N An ignition contact-breaker comprises a closed housing the pressure in which is less than atmospheric, a movable contact 10 actuable from outside the housing by means of a rod 11 passing through an aperture 23 in a wall 15 of the housing, a diaphragm 21 sealing the space between the rod 11 and the aperture 23 in a gas-tight manner, and a spring 17 arranged to co-operate with forces acting to open or close the contacts, the diaphragm being deflected, during actuation of the contacts, in a direction parallel to its central axis. As shown the diaphragm is a corrugated disc but four other configurations are disclosed (Figs. 2 to 5, not shown). The rod 11 may have an annular groove to receive the diaphragm or it may comprise two aligned portions which are screwed together through a small aperture in the diaphragm (Fig. 6, not shown) or welded or soldered together with the diaphragm (Figs. 7 and 8, not shown).
Patent GB-886407-A (GB)
Title: Electric circuit interrupter
Inventor: LINDELL SIGUARD INGVALD
IPC: H01H85/42
Filed: 1958-12-02
Abstract: 886,407. Fusible cut-outs. S. & C. ELECTRIC CO. Dec. 2, 1958, No. 38801/58. Class 38 (1). In an expulsion type fuse wherein the arc is drawn through a bore 26 by a rod-like terminal 24, the bore is formed in a lining 27 of watervapour-evolving, arc-extinguishing material which overlies a layer 28 of similar arc extinguishing material, said layer being cemented to a high strength insulating housing 29. Both the lining 27 and layer 28 may be in the form of cakes of arc-extinguishing material, suitable materials for the lining being manganesium borate, boric acid or a mixture of these and for the layer, boric acid. A plug 37 and nozzle 38 screw into the ends of housing 29 and a small bore 35 extends through these members and the layer 28. A lower terminal 36<SP>1</SP> screws on to the housing 29 which fits in a fuse holder 17, as shown in Fig. 2, being retained therein and coupled to a terminal 16 thereof by a clamp nut 40. The fuse element 25 is located in the nozzle 38 and is connected to a terminal 36<SP>1</SP> and the rod 24, the latter being spring-urged upwardly and the strain on theelement being relieved by a wire 34 located in the bore 35. Fig. 4 shows another construction of arc extinguishing chamber wherein the cakes of material forming the lining 42 and layer 43 are stacked so that the joints are staggered and the bore 46 for the strain wire is formed as a groove in the layer 4 closed by the lining 42. The cement 62 between the layer and the housing 44 is introduced after the parts have been assembled by applying a pressure gun to a passage 61 through the lower terminal 57 and housing 44 and a vacuum connection to a passage through end plug 50 and forcing through passage 61 an epoxy resin with a suitable curing agent. When the space between the layer 43 and the housing is full, the passages are plugged and the adhesive allowed to cure. Specification 886,408 is referred to.