baber/WOPTO huggingface dataset:
Patent GB-389916-A (GB)
Title: Improvements in or relating to electric signalling or control systems
IPC: H04B3/56
Filed: 1931-12-03
Abstract: 389,916. Wired wireless systems. GENERAL ELECTRIC CO., Ltd., Magnet House, Kingsway, London, WILLIS, F. B. and WESTELL, E. P. L., c/o General Electric Co., Stoke, Coventry. Dec. 3, 1931, No. 33509. [Class 40 (v).] High-frequency signalling or control apparatus 13 is coupled to a power supply system 6 through a line 10 and the tapping point 9 of a split condenser 7 earthed at 8, and a spark gap 12 is connected between the high-frequency feeder 10 and earth 8, to protect the signalling apparatus 13 in the event of failure of the coupling condenser. A condenser 11 offering high impedance at the power supply frequency and low impedance at the signalling frequency and designed to stand a voltage slightly in excess of the breakdown voltage of the gap 12, is connected between the line 10 and the tuned circuit 1 .. 4, which comprises transmitter and receiver coupling coils 3, 4 respectively. The line 10 is earthed by the switch 14 when the cabinet containing the high-frequency apparatus is opened.
Patent GB-1323313-A (GB)
Title: Process for the production of polymers which contain polyamide urea and or urethane groups
IPC: C08G65/332
Filed: 1970-07-10
Abstract: 1323313 Polyol esters of aminocrotonic acid BAYER AG 10 July 1970 [12 July 1969] 33545/70 Heading C2C [Also in Division C3] Polyfunctional aminocrotonic acid esters of the general formula wherein R is an alkylene, cycloalkylene, aralkylene or an arylene radical, XH is a hydroxyl or amino group, A is a radical of a polyol without the OH groups and having a functionality of n, and n is an integer of 2 to 6, may be prepared by the reaction of diketene with a polyol A(OH) n  to form a polyfunctional acetoacetic acid ester which is reacted with an aliphatic aminoalcohol or a diamine of different reactivity towards polyfunctional acetoacetic acid esters, e.g. those which contain primary and secondary or, alternatively, aliphatic and aromatic amino groups in the molecule. In specific Examples diketene is reacted with a polyol, as specified, and the resulting polyfunctional acetoacetic acid esters with an aminoalcohol or diamine, as specified:-(A) ethylene glycol and N-(2-hydroxyethyl)ethylene diamine; (B) trimethylolpropane and 2-aminoethanol; (C) trimethylolpropane and 3-aminobenzylamine; (D) glycerol and 2-aminoethanol, (E) butane triol-(1,2,4) and 2-aminoethanol, (F) triethylene glycol and 3 aminobenzylamine, (G) tripropylene glycol and 3-aminobenzylamine and (H) tripropylene glycol and 2-aminoethanol. The polyfunctional aminocrotonic acid esters may be reacted with polyisocyanates to form polymers containing polyamide, urea and/or urethane groups.
Patent GB-1514408-A (GB)
Title: Process for preparing polymers of vinyl aromatic compound
IPC: C08F4/00
Filed: 1976-08-12
Abstract: 1514408 Rubber modified polystyrenes; twostage polymerization HOECHST AG 12 Aug 1976 [14 Aug 1975] 33598/76 Addition to 1494759 Heading C3P The process of parent Specification is modified in that the suspension polymerization step is carried out in the presence of a peroxy carboxylic acid ester of formula in which R1 is C6-20 alkyl or alkenyl, C7-12 aralkyl, or C5-10 cycloalkyl and R2 is C4-12 alkyl or C7-12 aralkyl.
Patent GB-651131-A (GB)
Title: Improvements in or relating to the binding of electric cables
IPC: H01B7/24
Filed: 1948-12-31
Abstract: 651,131. Armoured cables. COMPAGNIE GENERALE D'ELECTRICITE. Dec. 31, 1948, No. 33660. Convention date, March 5. [Class 36] Amouring for fluid-filled electric cables laid on a slope has varying mechanical strength corresponding to the varying internal pressure in the cable. The armouring is applied in the form of strips, the number of which is varied along the length of the cable, either by varying the number of layers or by varying the number of strips in one layer, or by a combination of both methods, as shown in the Figure. One layer of armouring strips 2, 3, 4, 5 is first applied over the lead sheath 1 of a cable, and additional layers 6, 7, 8 of armouring are subsequently added, giving maximum strength at the part where the internal pressure is highest.
Patent GB-1398048-A (GB)
Title: Presses
IPC: B30B15/00
Filed: 1973-07-16
Abstract: 1398048 Extrusion presses L SCHULER GmbH 16 July 1973 [15 July 1972] 33721/73 Heading B3P An eccentric or crank driven extrusion press has the stroke of its ram 5 adjusted by a wedge 11 movable between a fixed part 9 and one or more bearing blocks 7 for the crank or eccentric. The crank or eccentric has a gear 3 driven by a pinion 2. The block 7 is guided linearly by guides 8 and the adjustment is limited by the backlash between the gears 2, 3. Alternatively the block may move along a curved path and the adjustment is independent of backlash. The wedge may be adjusted manually, mechanically, electrically or hydraulically or by a combination of thereof.
Patent GB-1096285-A (GB)
Title: Improved control valve for fluid-actuated mechanism
Inventor: LONGSHORE DONALD WAYNE
IPC: F15B13/06
Filed: 1966-07-27
Abstract: 1,096,285. Valves; controlling clutches. ALLIS - CHALMERS MANUFACTURING CO. July 27, 1966 [Aug. 2, 1965], No. 33727/66. Headings F2L and F2V. A valve controlling the gradual operation of high and low range tractor clutches 22, 23 comprises a spindle 48 slidably mounting pistons 49, 53, 54 separated by springs 51, 52. In the neutral position shown, the inlet chambers 14, 16 and work chambers 17, 18 communicate with exhaust chamber 32. Movement of the spindle to the left causes piston 54 to enter bore 71 to disconnect chambers 16, 18. At the same time, piston 54 compresses spring 52 to cause piston 49 to enter bore 69 to disconnect chambers 17, 32. The pressure in chamber 17 thus rises to a value determined by the load in spring 52 which itself is a function of the movement of the spindle. The clutch 22 is thus actuated gradually by the controlled increase in pressure in line 24. The pressure acting on piston 49 provides " feel " for the operator. Movement of the spindle to the right from the neutral position actuates pistons 53, 49 in a similar way to actuate clutch 23. Towards the end of travel of the spindle in either direction, the spring 51 or 52 becomes coil-bound so that piston 49 is moved positively. A separate relief valve 37 is thus provided to vent passage 13 to port 33 of chamber 32. Valve 37 is hollow and damped by the provision of orifice 47.
Patent GB-1173230-A (GB)
Title: Improvements in or relating to Typewriters and Similar Writing Machines
Inventor: ALBRECHT WERNER
IPC: B41J7/62
Filed: 1967-07-22
Abstract: 1,173,230. Selective printing. OPTIMA BUEROMASCHINENWERK ERFURT VEB. 22 July, 1967, No. 33808/87. Heading B6F. A mechanism for the axial selection of a particular row of characters on a set of typewheels on a carriage 1, itself moving in letterspace direction, comprises a known letter-space device, 2-5, for effecting single steps, but superimposed on this is a positive movement derived from a pair of electromagnets 22, 28 and a differential gear mechanism so that different letter-spacing such as zero, single and double steps may be effected. The carriage with its two or more type-wheels 1,2, Fig. 4, is tensioned to the right by a spring drum 3 under control of the wheel 4, and a hammer, shown by shaded area, Fig. 4, moves also one step at a time. When a character next to be printed is in the same wheel one step of the carriage occurs, when the next character is in a row to the left two steps of carriage are required (position II to position III) and if the next character is on a wheel to the right of the wheel being used no step of the carriage is required (position IV to position V). The different spacing is arranged by the operation of the electromagnets 22, 28 which by the differential gear mechanism 6-9 cause an extra space to be added or subtracted to the normal spacing. When a space is to be subtracted the carriage is held stationary by a pawl 30 to prevent unnecessary forward and backward movement of the carriage.
Patent GB-405090-A (GB)
Title: Method of and means for treating fabrics having warp or weft pile of artificial silk, cotton or such like
IPC: D06C29/00
Filed: 1932-11-30
Abstract: 405,090. Finishing pile fabrics. DUTTON, J., Islington Works, Islington Grove, Salford, near Manchester. Nov. 30, 1932, No. 33839. Drawings to Specification. [Class 42 (i).] Fabrics having a weft or warp pile of artificial silk, cotton &c., are passed in a wet condition over one or more internally heated revolving cylinders whereby the water is flashed into steam to render the pile plastic while it is being acted upon by rapidly-revolving brushes or combing devices co-operating with the cylinders. Apparatus is described comprising a series of gas-heated gear driven cylinders, co-operating belt-driven brushes, and a water beck for wetting the fabric.
Patent GB-1153643-A (GB)
Title: Improvements in or relating to Pin-and-Socket Type Connector Contacts
Inventor: DUNCAN WILLIAM CHAMBERS WILSON
IPC: H01R13/15
Filed: 1965-08-06
Abstract: 1,153,643. Contacts for two-part couplings. PLESSEY CO. Ltd. 29 July, 1966 [6 Aug., 1965], No. 33876/65. Heading H2E. In a pin-and-socket type connector a spring member 6, normally bearing against the wall of the bore, penetrates the bore 8 of pin 3, on the insertion of shaft 4 in socket 1. Taper 9 may be replaced by a curved lead-in surface and a countersunk taper (19), Fig. 3 (not shown), may be provided at the outer end of the bore in the pin. Both pin and socket may be fabricated from portions of tube material having appropriate internal and external diameters, Figs. 2 and 3 (not shown). Thimbles 5 accommodate the crimped or soldered connecting wire.
Patent GB-1115021-A (GB)
Title: Crystallized glasses
Inventor: KITAIGORODSKY ISAAK IL ICH
IPC: C03C1/00
Filed: 1963-09-11
Abstract: Crystallized glass is made by heating a mixture of a metallurgical slag and silica or another silicon dioxide-containing substance to form a melt and agitating the melt until the silica or other silicon dioxide-containing substance is dissolved in the melt.  The slag sulphides act as nucleating agents.  The slag may be a semi-basic or semi-acid blast furnace slag while the silicon-dioxide - containing substances may be clay, clay products, rock minerals or metal ore treatment wastes. Materials may be added to colour the melt and up to 15% alkaline earth metal compounds added to improve the mould properties while sodium sulphate or soda and sand may also be added. The melt may be degassed and up to 10% of a sulphide or chloride added. Further when the product has a black discolorization due to the presence of metal sulphides, from 3 to 4% zinc sulphate may be added to remove this.  A typical crystallized glass product has the composition: silica 59%, alumina 11%, calcium oxide 21%, sodium oxide 5% and zinc sulphide 4%.
Patent GB-887109-A (GB)
Title: Improvements in or relating to machine tools
Inventor: LATTNER BERNIE LEE
IPC: B23B7/04
Filed: 1958-10-23
Abstract: 887,109. Automatic lathes; milling. LATTNER, B. L., and LATTNER, M. I., [trading as LATTNER BROS. MACHINING CO.]. Oct. 23, 1958, No. 33892/58. Class 83 (3). A screw machine adapted for producing lock washers of the kind having two projecting legs 33, Fig. 8, has bar stock 3, Fig. 1, fed through the headstock 1 and a turret 4 for turning and drilling the stock in the initial forming operations. The legs of the washer are formed by cutting away stock above and below them by means of a pair of milling cutters 10a, 10b, Figs. 7 and 8, which operate while the stock is held stationary. The cutters are carried by an arbor 9 rotating in a frame carried on a slide 6. This slide is moved on guides in a member 5<SP>1</SP> which in turn is supported by the usual crossslide 5, Fig. 1. The arbor 9 is driven from a motor 22 carried by a beam 23 through a universal joint and telescopic shaft arrangement. The cross-slide 5 is fed by a cam 35 on the control shaft 18 to bring the cutters adjacent the work after which a pneumatic cylinder 13 takes over the feed and moves the slide 6. A cam 17 on the control shaft operates a switch to move a solenoid valve 39 controlling air from a reservoir 16 to actuate the cylinder 13. The piston in the latter is spring-returned after the legs have been formed.
Patent GB-174022-A (GB)
Title: Improvements in or relating to steering devices for ships and the like
IPC: B63H25/38
Filed: 1920-07-07
Abstract: 174,022. Flettner, A. July 7, 1920. Rudders steering-gear.-Relates to steerina-devices wherein an auxiliary rudder mounted upon the main rudder is employed to produce or assist in deflexion of the main rudder, or wherein a number of auxiliary rudders are so employed, and consists in mounting the main rudder so that it is free to swing around through 180‹ when the ship reverses its direction and without disconnection of the actuating-gear of the auxiliary rudder. The auxiliary is also free to turn continuously on its axis relative to the main rudder and through 360‹. The spindle 128 of the main rudder 126 is free to swing through 180‹ and carries the driving-gear 130, 131, 132, 133, 134 of the auxiliary rudder 127. This gear is driven from an electric motor 129 through reversible worm gear. When the main rudder swings on reversal, the gear-wheel 132 rolls around the fixed wheel 131 and the auxiliary rudder turns on its axis until it lines up with the main rudder in the fore-and-aft position. The auxiliary rudder lines up with the main rudder if the ratio of the gearing is a whole number. With two or more auxiliary rudders a similar movement on reversal takes place. The auxiliary rudder may be mounted on a central spindle instead of one at the forward edge. To facilitate manoeuvring the rear edge of the main rudder, or the front edge or entire surface of the auxiliary rudder, may be corrugated, undulated, wavy, or of stepped profile.
Patent GB-1102605-A (GB)
Title: Coal plough
IPC: E21C27/32
Filed: 1965-08-09
Abstract: 1,102,605. Mineral-mining ploughs. GERWERKSCHAFT EISENHUTTE WESTFALIA. 9, Aug., 1965 [12. Aug., 1964], No. 33985/ 65. Heading E1F. A mineral-mining plough comprises spaced carriages 10, 11 with cutter bit carriers 12, 13 respectively, which carriers are connected together by a superstructure 14 on which is assembled a variable number of individual elements 15 . . 19 which are in all, or in some cases individually adjustable in cutting depth for adaption to a varying seam thickness. Each element comprises a base plate on which are articulated two link rods pivotable in the plane of the same which commonly carry the detaching tool adapted to be advanced or retarded by a pressure medium cylinder and rod 24, 25. A control arrangement operates one or all of the cylinders 24. The element 19 is pivotable about an axis. 29 by a cylinder 30.
Patent GB-1156744-A (GB)
Title: Pipe-End Fitment Assemblies.
IPC: F16L21/025
Filed: 1966-07-29
Abstract: 1,156,744. Pipe couplings; stopping pipes. UNIVEX PLASTICS Ltd. 29 July, 1966 [31 July, 1965], No. 34152/66. Headings F2G and F2P. A coupling sleeve of plastics material such as polypropylene and for a pipe 25 includes an 0-ring 28 which in situ is compressed between the pipe and a section 13 of the sleeve which diverges from and is co-terminous with an annular out-flared section 12, the junction of these sections forming an annular restricting throat 14. There is an inwardly converging shoulder 15, and an annular centering section 17 co-terminous with an inwardly projecting pipeabutting pleat 19<SP>1</SP> by which mis-alignment or expansion of the pipes 19, 25 is accommodated. The 0-rings are rolled into position on assembly of the sleeve and pipes and are forced toward the throats 14 by fluid pressure acting thereon. The sleeve may be applied to the closing off of a pipe end, a cap or plate being disposed in the section 17. The sleeve may constitute the actual end section or portion of a pipe.
Patent GB-1254225-A (GB)
Title: Improvements in or relating to a dry gelatin product
IPC: A23L29/281
Filed: 1969-07-07
Abstract: 1,254,225. Cold water soluble gelatin pudding powders. LIJM-EN GELATINEFABRIEK "DELFT" N.V. 7 July, 1969 [9 July, 1968], No. 34231/69. Heading A2B. A cold water soluble gelatin pudding powder is prepared by spray drying an aqueous gelatin solution containing 5-20% by wt. of an edible acid (e.g. citric tartaric, malic, succinic, adipic, fumaric lactic or phosphoric acid), and mixing the spray-dried product with sugar and, if desired, flavouring and colouring materials.
Patent GB-465870-A (GB)
Title: Improvements in and relating to electric gaseous discharge devices
IPC: H01J61/72
Filed: 1936-12-14
Abstract: 465,870. Discharge apparatus. BRITISH THOMSON-HOUSTON CO., Ltd. Dec. 14, 1936, No. 34299. Convention date, Dec. 16, 1935. [Class 39 (i)] Relates to electric gaseous discharge tubes particularly lamps, operating at high temperatures and consists in the provision of means for preventing uneven cooling without enclosing the tubes in outer jackets. As shown a mercury vapour discharge lamp 1 is connected to the cap 12 by a tubular heat-insulating member 10 which functions to prevent the cooling of the corresponding end of the tube and forms a housing for the leads. The member 10 fits over a reduced part of the lamp and is secured thereto by a heatresisting cement 11 such as a mixture of asbestos, aluminium sulphate and zirconium silicate. A similar or other cement 13 may be used to attach the cap 12. The lamp has electrodes 5, 6 which may be of the kind described in Specification 446,860, fed by leads 3, 4, the lead 4 extending along one side of the lamp in a sleeve 7. A tungsten &c. wire 8 is connected to the lead 4 near the electrode 6 and is fused to the envelope at the pip 9 for the purpose of supporting the lead and also maintaining the temperature of this end of the envelope. An auxiliary starting electrode 2 is .connected through atubular resistance 15 to the lead 4.
Patent GB-1517085-A (GB)
Title: Evaporation boat for use in vapour deposition
IPC: C23C14/26
Filed: 1976-08-18
Abstract: 1517085 Evaporation boats HITACHI Ltd 18 Aug 1976 [19 Dec 1975] 34335/76 Heading C7F An evaporation chamber for a vacuum deposition apparatus comprises an upper sheet 22 having an upwardly convexed central section 27a, 27b and side sections, the ends 28a, 28b of which are bent back towards the central section 1 and a lower sheet 21 having a downwardly convexed central section and side sections bent towards the upper sheet, the material 30 to be evaporated being contained in the chamber so formed, and vapourized material passing through slits 35a, 35b. In modifications, the intermediate sections 40a, 40b are omitted, Fig. 5B, (not shown), and the central sections of the sheets 21, 22 are semicircular in cross-section, Fig. 7 (not shown). The design of the devices is such that solid particles do not pass out with the vapour. The devices are made of Mo, W or Ta. The evaporation of cerium oxide, germanium oxide and As-Te is referred to.
Patent GB-807485-A (GB)
Title: The production of aromatic nitriles and imides
Inventor: BREAM JOHN BERNARD
IPC: B01J23/22
Filed: 1956-11-10
Abstract: Aromatic nitriles and/or imides are prepared by treating an alkyl substituted aromatic hydrocarbon or its nuclear monohalogenated derivative at elevated temperature in the gas phase with ammonia and between 4 and 10 per cent by volume of the mixture of molecular oxygen in the presence of a vanadium oxide catalyst deposited on activated alumina.  Examples of suitable hydrocarbons are toluene and ethylbenzene, which are converted to benzonitrile; o-xylene, which is converted to phthalimide, phthalonitrile and o-tolunitrile; m-xylene, which is converted to isophthalonitrile and m-tolunitrile; p-xylene, which is converted to terephthalonitrile and p-tolunitrile; mesitylene, which is converted to tricyanobenzene; o-, m- and p-di-isopropylbenzene; o-, m- and p-cymene; o-, m- and p-chlorotoluene and a - and b -methyl-naphthalene.  The concentration of oxygen may be maintained within the desired limits by feeding a mixture of air and nitrogen and it is preferred to use at least 3 mols. of oxygen per mol. of hydrocarbon.  The ratio of ammonia to hydrocarbon may vary but it is preferred to use about 1.5 to 2 times the theoretical amount.  The concentration of hydrocarbon in the mixture is generally kept low, below 2 per cent by volume and the reaction may be carried out at a temperature in the range 300-500 DEG C., preferably 330-420 DEG  C.  The vanadium oxide catalyst may be prepared by pouring a solution of a salt, e.g. vanadyl oxalate, on to alumina (which may have been pretreated by heating to 900-1300 DEG C.) and then evaporating the mixture to dryness and heating it in air at 350-400 DEG  C.  The proportion of vanadium oxide in the catalyst may vary and is preferably about 5 per cent. In order to facilitate heat dissipation the catalyst may be mixed with an inert diluent such as brick, pumice or carborundum.  The catalyst may be a stationary or moving bed and a fluidized bed method may be used with advantage. Contact times may vary and times of 0.25-20 seconds have been found to be suitable.  In the Examples 1-3 m-xylene is heated with a catalyst containing 10 per cent vanadium oxide, ammonia, oxygen and nitrogen and the percentage yields of isophthalonitrile, m-tolunitrile and carbon dioxide are given in several experiments in which one of the variables, ammonia concentration, oxygen concentration, contact time and temperature are varied.  Example 4 shows the effect of temperature variation on a similar experiment using p-xylene. Specification 796,765 is referred to.
Patent GB-1441347-A (GB)
Title: Method for manufacturing two-layer moulded articles of thermo- plastic synthetic material
IPC: B29C44/04
Filed: 1974-08-06
Abstract: 1441347 Injection moulding SCHLOEMANN-SIEMAG AG 6 Aug 1974 [25 Aug 1973] 34524/74 Heading B5A In a method of making two-layer moulded articles, unfoamed synthetic material and synthetic material containing a blowing agent are injected simultaneously through separate injection passages one of which surrounds the other. In one example (Fig. 1) a sleeve 5 and nozzle needle 6 are withdrawn from the position shown so that foamable material is injected through a channel 8 and annular space 8 into a mould 3 at slightly lower speed than unfoamed material is being injected through a channel 11 and an annular space 9. The two materials may be injected at the same speed and at equal or different volumetric rates. The moulded article comprises a foamed core (13) and an unfoamed skin (12) at the side of the mould opposite the sprue channel 2. In another example (Figs. 5-8, not shown) the non-foamable material is injected through the annular passage and the foamable material is injected through the central passage. In this case the moulded article has a layer of unfoamed material adjacent the sprue channel and this layer may be completed by injecting further unfoamable material after stopping the flow of foamable material.