baber/WOPTO huggingface dataset:
Patent GB-1075387-A (GB)
Title: Improvements in semicuoductor device making
IPC: H01L21/20
Filed: 1965-06-30
Abstract: An epitaxial layer is produced on the exposed parts of a semi-conductor source masked with silicon dioxide by placing a source body of semi-conductor material in confronting relationship with the substrate and performing a transport reaction using iodine vapour. The process is performed in a reaction vessel (2, Fig. 1, not shown), in which a plurality of masked silicon substrates (32) rest on a support (22) which can be heated.  Each substrate is surrounded by a quartz spacer (50, Fig. 3, not shown), which has apertures (52) to allow the entry of gases.  A silicon source body (42), which may be of polycrystalline material, lies on top of each of the spacers (50). The apparatus is purged with argon and then evacuated.  The substrates are heated to about 1100 DEG  C., the source bodies being about 100 DEG  C. cooler, and iodine vapour is admitted.  Silicon is removed from the source bodies and epitaxially deposited on the exposed areas of the substrates. The heater is then de-energized, the iodine supply shut off, and the apparatus again purged with argon. The production of diodes and transistors by transport of doped layers is described (see Division H1).  The semi-conductor material may also be germanium, indium antimonide, or gallium arsenide, and in the case of compounds an atmosphere of the more volatile component may be provided to help prevent decomposition of the semi-conductor compound.
Patent GB-519085-A (GB)
Title: Improvements in fluid seals
IPC: F16J15/36
Filed: 1938-09-23
Abstract: 519,085. Fluid seals for rotating shafts. GENERAL MOTORS CORPORATION. Sept. 23, 1938, No. 27770. Convention date, Oct. 14, 1937. [Class 122 (v)] A fluid seal for a shaft rotating in a housing comprises an extensible resilient sealing member 54 disposed about the shaft 36 and abutting the housing 20, a sealing washer 53 consisting of a non - metallic ring having metallic particles dispersed therein and disposed about the shaft between a portion of the shaft and the sealing member, and resilient means 60 for extending the sealing member 54 axially of the shaft whereby the member is sealed to the housing and to the washer, and the washer is sealed to the shaft. Metal washers 62, 64 may be arranged between the spring 60 and the member 54, the washer 64 having spaced keys 66 to engage recesses 68 in the ring 53 to prevent relative rotation. The washer 62 may be dispensed with by accommodating one end of the spring in the bore of the member 54. In a modification, the member 54 is substantially U-shaped in cross-section with one of its limbs keyed into the housing 20. The member 54 may be formed from polymerized isoprene or chloroprene, rubber, synthetic rubber, or cloth impregnated with any of these rubberlike compositions. The washer 53 may be formed from thermo-setting resin of the phenol formaldehyde derivative type, synthetic rubber, polymerized isoprene or chloroprene, or moulded fibrous material, and contains 25 to 60 per cent. bronze powder, or powdered tin, lead, leadcoated copper, or iron.
Patent GB-1318566-A (GB)
Title: Injection moulding apparatus
IPC: B29C45/50
Filed: 1970-06-09
Abstract: 1318566 Injection moulding apparatus MEIKI SEISAKUSHO 9 June 1970 [13 June 1969 4 Sept 1969 11 April 1970] 27820/70 Heading B5A An injection moulding machine has a screwrod 2, rotatably and reciprocably mounted in a heated cylinder 1, with a screw thread in which the channel depth L in a metering zone for preventing a backward flow of molten plastics has a value defined by the empirical formula L = 0À2<SP>3</SP>#LD# wherein D denotes the outside diameter of the rod, L is a length over which the thread extends, and 0À01 < # < 0À1, the machine also has a variable speed feed screw (4), Fig. 1, not shown, for adjustably feeding a raw material thereto. In Fig. 3, not shown, cooling fans (4) are located below the heating cylinder 1. The machine in Figs. 4, and 5, not shown, has feed hoppers (6A), and (6B) to allow different materials to be fed to the screw rod. The screw rod 2 and the feed screw (4) can be drawn separately or from the same prime mover.
Patent GB-1155594-A (GB)
Title: Packaging Container
Inventor: BEADLE CHASSE
IPC: B65D77/06
Filed: 1965-07-01
Abstract: 1,155,594. Cartons. HAVOPAK Ltd. 28 June, 1966 [1 July, 1965], No. 28006/65. Addition to 959,306. Heading B8P. A container comprises a closed bag 1 of flexible plastics &c. sheet material, with a filler device 2, and a rigid outer cardboard carton as in Specification 959,306, wherein the closed bag in collapsed form is rectangular and is located diagonally within the carton blank.
Patent GB-313825-A (GB)
Title: Improvements in lubricants for refrigerating machines
IPC: F17B1/02
Filed: 1928-09-29
Abstract: 313,825. Elberding, P., and Hansa, Kõlte-Industrie Ges. Sept. 29, 1928. Lubricants for refrigerating machines consist of a mixture of glycerine and glycol, usually 31b. of glycerine with 2lb. of glycol.
Patent GB-270967-A (GB)
Title: Support for wire mattresses
IPC: A47C23/32
Filed: 1926-11-08
Abstract: 270,967. Brandreth, C. A. Nov. 8, 1926. Mattresses.-Auxiliary supporting springs are mounted on a collapsable metal frame suspended beneath the frame of a wire mattress by adjustable galvanised mild steel straps 4. The frame comprises transverse bars 2 with stamped sockets 2b to receive spigot ends 3<a> on the springs, these bars being connected by halved joints to longitudinal bars 1 to which to straps are secured. A crown 6 with projecting tabs 6<a> is fitted to each spring to prevent slipping.
Patent GB-161613-A (GB)
Title: Improvements in change speed gear for self-propelled vehicles
IPC: F16H37/04
Filed: 1919-11-12
Abstract: 161,613. Chambers, J. H. Nov. 12, 1919. Variable-speed epicyclic gearing.-An epicyclic train of the kind which is enclosed by its driving. member is combined with an external train tc give additional speeds, the whole being controlled by a single lever. The driving-shaft k drives the outer ring f of the epicyclic train through worm gearing h. The planet carrier d of the epicyclic train is the final driven member and is fixed to the differential gear casing a. The sun pinion b and the toothed annulus e can each be clutched either to the driving ring f or to the fixed gear casing, giving three forward speeds. The annulus e is formed with external teeth e through which it can be driven in the reverse direction from the driving-shaft k by means of a separate train of gearing comprising worm gear ing n, o, and sliding spur wheels r, s. When the annulus is thus driven, an additional slow for ward speed and a reverse are obtained, according as the sun pinion b is driven by the ring f or is held against rotation. The gears are controlled by cams or eccentrics on a shaft 2 which is move( axially to select a cam and then is rotated to operate the selected gear. The sliding move ments of the controlling hand-lever t, Fig. 5, ir a gate u are transferred to the shaft 2 through a universally-jointed link 4 and a bell-crank leve 3; the rotary movements of the lever t are also transferred to the shaft 2 by means of a toothed sector on the lever which engages with a long pinion 6 rotating with a quadrant 7 gearing witl a bevel wheel 8 on the shaft 2.
Patent GB-1434919-A (GB)
Title: 3alpha-hydroxy androstanes
IPC: C07J41/00
Filed: 1972-06-15
Abstract: 1434919 3α-Hydroxy-steroids GLAXO LABORATORIES Ltd 15 June 1973 [15 June 1972] 28118/72 Heading C2U The invention comprises steroids of the androstane and 19-nor-androstane series possessa 3α-hydroxy group, a 17α-hydrogen atom and in position 17# as cyano, esterified carboxyl or mono- or di-substituted carbamoyl group, other than the steroids claimed in Specifications 1,380,248 and 1,380,246 and 3α-hydroxy-17#- methoxycarbonyl-5α and 5#-androstanes and 3α - hydroxy - 17# - methoxycarbonyl - 5#- androstan-11-one. The steroids, which may possess other substituents at other positions of the nucleus, e.g. the 2#-, 3#- and 11-positions, and which may be unsaturated, e.g. at the #<SP>8(9)</SP>, #<SP>1</SP> and #<SP>4</SP> positions, are prepared by the methods disclosed, inter alia, in Specification 1,380,246. Starting materials.-3α - Nitro - oxy - 17# - (2<SP>1</SP>- morpholinoethoxycarbonyl) - 5# - androstan - 11- one is prepared from the free 3α-hydroxy-17#- carboxylic acid by conversion to the 3-nitrate and esterification of this via the acid chloride. The corresponding 11-unsubstituted compounds are prepared similarly. The acid chlorides are converted to the corresponding 17#-cyano compounds via the 17#-carbamoyl compounds. 17#- Cyano - 5α - androstan - 3 - one and 17#- cyano-5α-androst-2-ene are prepared similarly and the latter is converted to 2#-bromo-17#- cyano - 3α - hydroxy - 5α - androstane via a 2,3-epoxide. The novel steroids possess anaesthetic properties and they may be made up into pharmaceutical compositions with suitable carriers, particularly aqueous solutions of parenterally acceptable non-ionic surface active agents.
Patent GB-982123-A (GB)
Title: A multiple output rectifying power supply circuit
IPC: H02M7/06
Filed: 1963-07-17
Abstract: 982,123. Rectifying. GENERAL PRECISION Inc. July 17, 1963 [July 24, 1962], No. 28258/63. Heading H2F. A rectifying arrangement for supplying a plurality of resistive loads, for example in a computer, comprises a transformer having a plurality of secondary windings 14, 16 each connected with a F.W. rectifying arrangement of diodes 18, 20, 40, 42, 49, 50, supplying resistive loads 32, 48, 56, each shunted by a capacitor 22, 44, 52, the R.C. product of each load and its shunting capacitor being the same.
Patent GB-383718-A (GB)
Title: Improvements in folding tables
IPC: A47B3/12
Filed: 1931-10-13
Abstract: 383,718. Tables. LOCK, W., 333, Morland Road, Croydon. Oct. 13, 1931, No. 28367. [Class 52 (iii).] In a table of the kind with rule-jointed collapsable sides, the table top is connected to the underframe by a groove and tongue joint. As shown collapsed in the Figure, the side rails 1 are mortised into the tops of the legs 2, and the other rails 11 are formed by rule-jointed members 3 normally kept aligned by bolts 6. These parts are formed with a continuous groove 7, extending round the frame. To attach the top 8 to the table frame, the parts 1, 3 are collapsed, and the upper ends of the legs 2 are inserted in gaps 11 in a surround 9 under the edges of the top 8. The frame is then opened out, the grooves 7 fitting over the rebated inner edge 10 of the surround 9. The bolts 6 are then shot over to make the frame and the table rigid. In a modification, the gaps 11 are not made, the upper parts of the groove 7 in the legs 2 being cut away to permit the insertion of the frame in the surround 9.
Patent GB-882402-A (GB)
Title: Improvements in or relating to safety devices
Inventor: DACHKEVITCH VSEVOLOD
IPC: B66C15/00
Filed: 1959-08-20
Abstract: 882,402. Controllers; actuation of switches. COMMISSARIAT A L'ENERGIE ATOMIQUE. Aug. 20, 1959 [Aug. 27, 1958], No. 28490/59. Classes 38 (3) and 38 (5). Relates to a safety device for a machine 40 performing successive and programmed operations, such as a remote handling machine. An electric motor 39, which drives the machine, also drives screw 5 along which travels nut 4 adapted to engage abutments 18, 19, 20, and de-energize the motor unless the abutments have been raised by solenoids 22. These are energized as a function of the programme set for the machine, either under the control of a selector switch or by circuits which are closed during operation of the machine. When the nut engages one of the abutments, a member 3 is shifted to the right so that rod 27 is no longer held by abutment 26 and spring 32 tilts lever 34. This causes counterweight 38 to rise and opens switch 29 to disconnect the motor 39. The movement of the nut 4 is limited by endabutments 24.
Patent GB-953175-A (GB)
Title: Improvements in or relating to closures for bottles and other containers
Inventor: WILTON RONALD WILLIAM
IPC: B65D41/12
Filed: 1960-08-17
Abstract: 953,175. Bottle closures. METAL CLOSURES Ltd. Aug. 15, 1961 [Aug. 17, 1960], No. 28493/60. Heading B8T. An aluminium closure, to retain high internal pressure in a bottle having an external rib as shown in Fig. 5, comprises a top 1 and a skirt 3 ending in an inwardly curled compressed bead 5, a soft gasket 15 being applied to the inner wall of the skirt, the internal diameter of the skirt being slightly less than the mean value of the external diameter of the rib on the bottle, the internal diameter of the bead 5 being, before application of the closure, not less than that of the skirt. Upon application the bead is turned downwards (Fig. 5) to give a secure seal, a rib 2 allowing expansion of the closure if necessary. The gasket 15 may be of polyvinyl chloride plastisol.
Patent GB-371282-A (GB)
Title: Improvements relating to hydraulic mains of coke ovens
IPC: C10B27/06
Filed: 1931-10-14
Abstract: 371,282. Dip-pipes. OTTO & CO. GES., DR. C., 9, Christstrasse, Bochum, Germany. Oct. 14, 1931, No. 28580. Convention date, Oct. 14, 1930. [Class 55 (ii).] The hydraulic main e is sealed from the ascension pipe c of a coke oven by means of a dish-shaped valve g arranged in the dip-pipe d to project into a liquid seal i. The seal comprises an annular trough filled with ammonia liquor for cooling the gas from a nozzle f disposed below the valve.
Patent GB-1350831-A (GB)
Title: Method of producing articles of composite material and articles manufactured according to the method
IPC: C21D8/00
Filed: 1971-06-18
Abstract: 1350831 Making plates and tubes etc; altering physical structure SANDVIK AB 18 June 1971 [30 June 1970] 28776/71 Headings B3A and B3V [Also in Division C7] Austenitic stainless steel covered on one or both sides with ferritic stainless steel is heat treated, cold worked and finally heat treated to recrystallise only the ferritic steel so as to produce a high temperature resistant composite. A strip, plate or tube, e.g. for a heat exchange unit, is made by first quenching a composite blank from above 1000‹ C., e.g. 1030-1230‹ C. and cold working it by drawing, rolling and/or bending. The cross-sectional area of the blank may be reduced by 5-70%. The composite is finally heat treated at 650-950‹ C. to recrystallize only the ferritic steel to a grain size of 300-600 Á<SP>2</SP>. In one example, the austenitic stainless steel comprises 0À03-0À20% C, 1% max Si, 0À2-3% Mn, 14-20% Cr, 12À5-35% Ni, 0À3-0À8% Ti, 0À2-1À7% Mo, 0À002- 0À020% B, 0À5% max V, W, Nb and/or Ta, 1% max Co, 0À5% max Cu, 0À2% max Ce and/or Zr and the ferritic stainless steel comprises 0À03-0À10% C, 10-14% Cr, 1% max Si, 1% max Mn, 1% max Ti, 1À5% max Tu and/or Nb, 3% max Al.
Patent GB-788681-A (GB)
Title: Synthetic organic detergent compositions
IPC: C11D1/00
Filed: 1955-10-10
Abstract: A process for improving the quality of a relatively water-soluble off-grade non-soapy synthetic detergent composition which is characterized by an excessive content of free fatty acid or other ether-soluble material, particularly a composition in which the detergent contains a fatty acyl group, comprises treating a solution of the composition with (i) a relatively water-soluble salt of a metal able to form a water-insoluble soap, and (ii) an alkali metal bicarbonate, desirably sodium bicarbonate, preferably in that order, in approximately stoichiometric amounts (based on free fatty acid) and preferably also at a temperature of 90-170 DEG  F., most desirably 125-155 DEG  F. The detergent solution to be treated should contain 25-50 per cent active detergent, 0-20 per cent solvent (preferably ethanol or isopropanol) and the rest water, fatty acid, and other ether-soluble material, and inorganic impurities.  The metal salts to be used are particularly the sulphates and chlorides of magnesium, zinc, aluminium, cadmium, calcium, strontium and barium, where such are soluble, and especially the sulphates of magnesium, zinc, calcium and aluminium.  Among the detergent compounds to compositions containing which the invention is especially applicable are the sodium, potassium, lithium, magnesium, ammonium amine and alkylolamine salts of (a) sulphuric acid esters of polyhydric alcohols incompletely esterified with fatty acids, (b) fatty acid esters of hydroxyalkyl sulphonic acids, (c) fatty acid amides of aminoalkyl sulphonic acids, (d) sulphated fatty acyl monoethanolamides, and (e) N-substituted fatty acyl sarcosines and glycines.  It is also applicable to compositions containing fatty ethanolamides.  After treatment the composition may be spray- or drum-dried, either as such or after compounding with builders, water, soil-dispersing and suspending agents, fluorescent dyes, whiteners, foaming agents, preservatives, anticaking agents, heat-stable perfumes and other adjuvants, and may be produced as cosmetics, shampoos, scouring cleansers, detergent powders or bars, which latter may contain, in addition to the detergent, zinc stearate as a bodying agent, diethylene glycol monostearate as a plasticizer, titanium dioxide as a whitener, and a perfume.
Patent GB-427040-A (GB)
Title: Indicating devices for use with clocks
IPC: G04B47/00
Filed: 1933-10-18
Abstract: 427,040. Electric signalling systems. SCOTT, Ltd., A. G., and CLAYTON, G. C. H., 1, Creed Lane, Ludgate Hill, London. Oct. 18, 1933, Nos. 28875/33 and 2141/34. [Class 40 (i)] An indicator for use in industrial establishments or the like comprises a clock, the face of which has translucent numerals or other symbols which may be selectively illuminated by lamps, under remote control, to give signals such as calling signals for workmen. As shown the clock has a dial 11 provided with translucent numerals and supported by screws 12 on distance pieces 13 which are mounted on bolts 9. The numerals are illuminated as described by lamps 6 contained in compartments 5 formed by partitions 4 carried by a base plate 3 which is supported by the bolts 9. The clock is supported in the central compartment 7. Diffusing screens of coloured glass or adhesive may be interposed between the lamps and the numerals. In a modification, the clock face and the compartments may be formed as a unit which normally is supported on a base plate and locked thereon by ball catches, but may be withdrawn to facilitate repairs.
Patent GB-298484-A (GB)
Title: An improved process for refining low temperature tar, tar oils of any origin, crude benzene and products obtained by the destructive hydrogenation of carbonaceous materials
IPC: C07C7/17
Filed: 1928-10-08
Abstract: 298,484. Hofmann, F., and Wulff, C. Oct. 6, 1927, [Convention date]. Tar.-Low temperature tars are refined by a concentrated. solution of hydrogen chloride in an organic solvent. The tar may previously be treated with gaseous or aqueous hydrogen chloride. Solvents specified are benzine and methyl or ethyl, alcohol. Specification 189,701, [Class 91, Oils &c.], is referred to. The Specification as open to inspection under Sect. 91 (3) (a) describes the use of carbon tetrachloride. benzene, or light oil as solvent; it is not limited as to the strength of the solution. This subject-matter does not appear in the Specification as accepted.
Patent GB-294224-A (GB)
Title: Process for the prevention of boiler incrustation
IPC: C02F5/08
Filed: 1927-10-29
Abstract: 294,224. Lazarus, W. July 21, 1927, [Convention date]. Addition to 283,517. Incrustation, preventing. - The process described in the parent Specification for preventing incrustation in boilers is modified by the use of alkaline earths, such as barium carbonate or hydroxide, in place of alkali or alkali carbonate, for treating the hardness remaining after boiling. The barium compounds may be added in one amount instead of periodically.
Patent GB-796725-A (GB)
Title: Novel cyclic dienones and a process for the manufacture thereof
IPC: C11B9/00
Filed: 1956-09-21
Abstract: The invention comprises cyclic dienones of the general formul <FORM:0796725/IV (b)/1> <FORM:0796725/IV (b)/2> wherein one of the symbols R1, R2, R3 and R4 represents a hydrogen atom or a methyl group and the remainder represent hydrogen atoms, and the symbols R5 and R6 each represent a hydrocarbon radical, containing from one to three carbon atoms, or a hydrogen atom; also a process for their manufacture by heating a mixture of 3,7-dimethyl-octen-(6)-yn-(1)-ol-(3) (or a 4-, 5-, 6- or 8-methyl derivative thereof) and a lower ester of acetoacetic acid (or a derivative thereof having a hydrocarbon radical of the kind described in the a - and/or g -position) to a temperature above 170 DEG  C. Advantageously, a mixture consisting of 3,7-dimethyl-octen-(6)-yn-(1)-ol-(3) and the ester in a molecular ratio of 1.3-4.0 to 1.0, or mixtures containing a 10 per cent molar excess of the methyl-substituted 3,7-dimethyl - octen - (6) - yl - (1) - (3)'s in proportion to ester are employed.  Heating is continued until the evolution of carbon dioxide ceases; isomeric open-chain ketones are formed as by-products.  Examples describe the preparation of 4-[21-methyl-51-isopropenyl-cyclo-penten - (11) - yl] - butanone - (2), (from 3,7 - dimethyl - octen - (6) - yn - (1) - ol - (3) and ethyl acetoacetate); 4 - [21,51 - dimethyl - 51 - isopropenyl - cyclopenten - (11) - yl] - butanone - (2) (from 3,6,7-trimethyl-octen-(6)-yn-(1)-ol-(3) and ethyl acetoacetate); 3-methyl-4-[21-methyl-51 - isopropenyl - cyclopenten - (11) - yl] - butanone-(2) (from 3,7-dimethyl-octen-(6)-yn-(1)-ol-(3) and ethyl a -methyl-acetoacetate); 4-[21-methyl - 51 - isopropenyl - cyclopenten - (11) - yl]-butanone - (2) (from 3,7 - dimethyl - octen - (6) - yn - (1) - ol - (3) and ethyl acetoacetate); 5 - [21 - methyl - 51 - isopropenyl - cyclopenten - (11) - yl] - pentanone - (3) (from 3,7 - dimethyl - octen - (6) - yn - (1) - ol - (3) and ethyl propionylacetate); a mixture of 4-[21-methyl-51-[buten - (111) - yl - (211)] - cyclopenten - (11 - yl] - butanone - (2) and 4 - [21 - methyl - 51 - [buten- (211) - yl - (211)] - cyclopenten - (11) - yl] - butanone - (2) (from 3,7,8 - trimethyl - octen - (6) - yn-(1)-ol-(3) and ethyl acetoacetate).  Starting material. 3,7,8-Trimethyl-octen-(6)-yn-(1)-ol-(3) is prepared by treating 3-methylpenten - (1) - ol - (3) with concentrated hydrochloric acid, condensing the resulting 1-chloro3-methyl-pentene-2 with ethyl sodio-acetoacetate, hydrolysing and decarboxylating the resulting 3-carbethoxy-6-methyl-octen-(5)-one-(2) to form 6-methyl-octen-(5)-one-(2) and adding acetylene to the latter in the presence of a solution of sodium in liquid ammonia.
Patent GB-937095-A (GB)
Title: Improved bath mat
IPC: A47K3/12
Filed: 1960-08-22
Abstract: 937,095. Bath accessories. E. SCHICKEDANZ. Aug. 22, 1960 [June 13, 1960], No. 28923/60. Class 26. A non-slip bath mat comprises an element 1 which can be placed in a bath 2 to extend along the bottom under water in the bath 2, and from the bottom to the upper edge at the head end, the element having an average specific gravity greater than unity. In the form shown suction cups 3 and 4 on the element 1 secure it to the bath 2 near the said upper edge. A head cushion 5, of foamed polyurethane or polyether with a water-tight cover, detachably connected to the element 1 at the fixing points 3 and 4. For resting the head the cushion 5 can be used either depending or upstanding from the points 3 and 4. The element 1 is partly of foamed material, e.g., polyurethane or polyether, which has a coating of paste containing a filler such as barium sulphate or lithophone. The element 1 may comprise a number of layers and may include a block or sheet of material such as polyvinylchloride having on at least one side thereof a layer of foamed material, e.g. polyurethane or polyether.