baber/WOPTO huggingface dataset:
Patent GB-1096830-A (GB)
Title: Photographic developing machine
Inventor: LONGDEN WALTER
IPC: G03D7/00
Filed: 1964-10-15
Abstract: 1,096,830. Photo-copying apparatus. J. HALDEN & CO. Ltd. Oct. 11, 1965 [Oct. 15, 1964], No. 42040/ 64. Heading G2A. The ammonia developing section of a photocopying machine comprises a tank 10 having an entrance in one side 12 and containing conveyer means 11 which carry an exposed copy sheet in a U-shaped path inside the tank so that the sheet is acted on by ammonia vapour within the tank, there being sealing means 20, 21 to substantially prevent the escape of ammonia vapour from the tank when the sheet enters and leaves. A copy sheet and an original are fed in contact by a conveyer 72 around a revolvable transparent cylinder 75 containing an arc tube 76 which exposes the copy sheet through the original. The original is then separated from the exposed sheet by an air knife 77 and the exposed sheet is fed upwards by the conveyer 72 over a suction box 80 is the developing section, where separator fingers 81 guide the sheet through an inlet 15 into the tank. The sheet is fed between rollers 27, 28, 29 and supporting blades 40, 41, 42, 45, 44, 43, then to fingers 47 and hence out of the tank between outlet seal 21 and perforated plate 16 of a suction box 13, which removes any ammonia vapour which escapes from the tank with the sheet. The sheet depresses a micro-switch 67 which causes a fan 60 to be switched on or accelerated, which fan draws vapour from the vapourizing unit 50 into a tube 66 connected to two transverse perforated tubes 38, thus feeding the vapour under pressure into the bag formed by the exposed sheet to develop the sheet. Depression of the switch 67 may also serve to increase the output of the heater 52 and the input of ammonia liquid by way of the pump 57. On leaving the tank, the developed sheet is fed to one of two delivery positions. The blades 40-45 may be perforated or serrated to permit the free circulation of ammonia vapour.
Patent GB-965928-A (GB)
Title: Processes for the production of steroid compounds,and the new compounds thereby obtained
IPC: C07J75/00
Filed: 1961-11-24
Abstract: 9a , 10a -Epoxy-17b -hydroxy-oestr-4-en-3-one is obtained in a process wherein a 17b -acyloxy-9a , 10a -epoxy-oestr-4-en-3-one having the general formula: <FORM:0965928/C1/1> (where -OAc represents an acyloxy radical derived from an organic carboxylic acid) is reduced to form the corresponding 17b -acyloxy-9a , 10a -epoxy-3e -hydroxy-oestr-4-enewhich is then saponified to yield 9a , 10a -epoxy-3#x, 17b -hydroxy-oestr-4-ene which is reoxidised selectively at the 3-position to yield the desired 9a , 10a -epoxy,17b -hydroxy-oestr-4-en-3-one.  Reduction may be effected with sodium borohydride and selective reoxidation with manganese dioxide, selenious anhydride or t-butyl chromate. Specifications 936,894 and 965,929 are referred to.
Patent GB-1003148-A (GB)
Title: Improvements in or relating to semiconductor devices
IPC: H01L31/00
Filed: 1962-11-09
Abstract: 1,003,148. Sealed semi-conductor envelopes. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. Nov. 9, 1962 [Nov. 13, 1961], No. 42438/62. Heading H1K. A semi-conductor body is embedded within a viscous mass in an insulating envelope having an opening therein sealed by a hardened synthetic resin, and a gas-filled expansion chamber is provided within the envelope separated from the active surface of the semi-conductor body. In one embodiment (Fig. 1) a photo-resistive cell is formed by a flat glass tube 1 containing a photo-resistive body 2 of cadmium sulphide with nickel leads 6 and 8, the body 2 being surrounded by a viscous mass 11 of e.g. a silicon organic polymer, which may contain drying agents. Between a rod-shaped glass filling body 9 sealed in the envelope end by a hardening synthetic resin, e.g. an epoxy resin, and the viscous mass 11 is provided a gas-filled expansion chamber 12, containing either air or argon. In a further embodiment (Fig. 3, not shown), the chamber 12 is provided by a recess in the filler member 9. Further examples, Figs. 6 and 7 (not shown), employ either a closed tube of resilient material containing a gas or an open-ended tube with gas trapped along its length, embedded in the viscous mass. A method of manufacture is described (Figs. 5a, 5b and 5c, not shown), in which a glass envelope containing the photo-resistive element embedded in a viscous mass containing silico-organic fat with entrapped air pockets, is arranged in a centrifuge, after sealing of the open end of the envelope as described, the air being consequently moved to provide the air gap between the inner surface of the seal and the viscous mass. The invention is suitable for devices incorporating transistors or diodes and lends itself to mass production.
Patent GB-1123197-A (GB)
Title: Coating composition and additive mixture therefor
IPC: D21H19/46
Filed: 1965-10-06
Abstract: An additive for aqueous paper coating compositions is essentially a blend of a C14 to C22 hydrogen-saturated fatty acid, for example a commercial grade stearic acid containing palmitic acid and residual oleic acid, and a non-ionic dispersant, the blend being in solid particulate form at room temperature, and having a melting point below the boiling point of water.  A coating composition may be made by heating an aqueous slurry of a binder, for example starch, to a temperature above the melting point of the blend, mixing the aqueous and other components to form an emulsion of the fatty acid in the aqueous phase and mixing the emulsion with an aqueous suspension of pigment, for example clay dispersed with tetrasodium pyrophosphate. Other pigments are mentioned.  A specific composition comprises 100 parts pigment, 8 to 30 parts starch, 3% to 5% by weight of the starch of the additive, the non-ionic dispersant comprising from 3% to 40% of the additive.  Other binders are protein or casein, and additionally from 1 to 5 parts latex may be added to the composition. The non-ionic dispersant may be condensates of ethylene oxide with fatty acids and with dihydric fatty alcohols, polypropylane glycol esters of hydroxy fatty acids, polyhydroxyalcohol esters of fatty acids, ethoxylated fatty acid-alkanolamine condensates, propylene glycol ethylene oxide condensates.
Patent GB-975944-A (GB)
Title: Improvements in or relating to electric pulse transmission systems
Inventor: HESKETH JOHN FREDERICK
IPC: H03K17/62
Filed: 1959-12-18
Abstract: 975,944. Pulse modulation circuits; telegraphy; semi - conductor circuits. POSTMASTER GENERAL. Dec. 13, 1960 [Dec. 18, 1959], No. 43173/59. Headings H3T, H4L and H4P. In a pulse transmission system interference caused by the capacitance of the pulse transmission path or reflected energy due to mismatching, is reduced by connecting across the output of the path a transistor with a normally conducting emitter-collector path in series with a resistive load equal to the characteristic impedance of the path, pulses coincident with the transmitted pulses being applied to the base to cut-off the transistor and allow the transmitted pulses to appear at the output of the path. As shown, a coaxial cable C in a time division multiplex communication system, is provided at its output end with a plurality of transistor gates VT1 controlled by pulses P1 &c. to conduct only when a pulse P3 is received in coincidence with a pulse P1. The output end of the cable is also connected via a resistorcapacitor combination C2, R2, the emittercollector circuit of a transistor VT2, and a resistive load R3 equal to the characteristic resistance of the cable, to a source of potential V3. The base of the transistor VT2 is provided with a D.C. bias V2 and supplied with pulses P2. A D.C. potential V4 is connected via a diode XDA1 to the input A of the cable. Potentials V2, V3 and V4 are such that VT2 is conducting but the application of pulses P2 causes VT2 to cut-off. The input pulses P3 may be modulated and when pulses P1, P2 and P3 are coincident, an undistorted output appears at D. The duration of pulses P2 may be less than that of pulses P3 so that reshaping takes place. Networks R1, C1 and R2, C2 are included to match the input impedances of the transistors to the characteristics of the cable.
Patent GB-1457334-A (GB)
Title: Processes and apparatus for recovering clean water and solids  from dilute aqueous solids
IPC: C02F1/04
Filed: 1974-10-04
Abstract: 1457334 Recovering clean water HANOVER RESEARCH CORP 4 Oct 1974 [15 Oct 1973] 43209/74 Heading B1B Clean water is obtained from dilute dispersions, suspensions or solutions by (1) evaporating to obtain steam and a concentrate (2) condensing the steam (3) mixing the concentrate with a relatively non-volatile oil to obtain a mixture which will remain fluid and pumpable alfter the water content has been removed (4) evaporating the mixture to obtain steam and an anhydrous oil/solids slurry and (5) using the steam from step (4) as a source of heat in step (1). Step (1) may be carried out at 70-250‹F and step (4) at 160-400‹F. The process may be modified by adding a light, rolatively volatile oil bafore step (1) and separatinig any distilled oil components from the water condensed at step (2). The oil may be recovered from the anhydrous slurry and recycled. Steps (1) and (4) may be multi-stage evaporation steps.
Patent GB-1129441-A (GB)
Title: Two stroke multiple cylinder internal combustion engines
IPC: F02B75/18
Filed: 1966-09-28
Abstract: 1,129,441. Two-stroke engines. R.J. CLEMENTS. Sept. 14, 1967 [Sept. 28, 1966]. No. 43380/66. Heading F1B. A two-stroke I.C. engine has two or more pairs of cylinders, each pair being arranged in the fore and aft direction in a plane containing the crankshaft and being inter-connected by a common combustion chamber 3, Fig.1 at their heads, one cylinder of each pair having exhaust ports E and the other cylinder having inlet ports I, both sets of ports being uncovered by the pistons during the two-stroke cycle. Compressed air is supplied to inlet ports I from an enginedriven rotary blower or compressor (not shown). Fuel is injected into the combustion chambers 3, 4, 10A, 11 when the pistons 16 are at t.d.c. and the resultant combustion forces the pistons downwards towards b.d.c. until the exhaust port E starts being uncovered to allow the gases to exhaust under their residual pressure. Subsequently the inlet ports I are uncovered and scavenging is completed by the charging air. On the compression stroke the exhaust ports are closed after the inlet ports so that scavenging is completed by the beginning of compression. In another embodiment the pistons of an eight cylinder Vee engine have projections 18, Fig. 4 with an upper surface 19 shaped to conform to the roof 20 of the combustion chamber. Recesses 22 in the side walls of the projections define a combustion space 23 when the pistons are in the t.d.c. positions. Compressed air is supplied to the inlet ports from a blower (30), Fig. 3 (not shown) arranged between the banks of cylinders. In modifications, a mixture is supplied to the engine by a carburettor, the inlet port is arranged to give "swirl", and the exhaust pistion of a cylinder pair leads the inlet piston by a small angle.
Patent GB-1469617-A (GB)
Title: Azolyl-1-methanes and their salts processes for their preparation and their use as medicaments
IPC: A61P31/04
Filed: 1975-10-23
Abstract: 1469617 Azolyl-1-methanes; their preparations and pharmaceutical compositions BAYER AG 23 Oct 1975 [24 Dec 1974] 43594/75 Heading C2C The invention comprises compounds of general Formula (I) in which R<SP>1</SP> represents a halogen atom or a halogenoalkyl, alkyl, alkoxy, benzyl, nitro or cyano group; R<SP>2</SP> represents an alkyl or optionally substituted aryl group; X represents a direct bond, an oxygen or sulphur atom or a thionyl or sulphonyl group; Az represents an imidazolyl-(1), pyrazolyl-(1), 1,2,4-triazolyl-(1) or 1,2,4-triazolyl-(4) group and n represents 0 or an integer of from 1 to 4 the radicals R<SP>1</SP> being identical or different when n is greater than 1 and salts of said compounds which may be prepared by reaction of a carbinol of formula (II) with a thionyl bis azole of Formula (III) or reacting a halogenomethane of Formula (IV) wherein Hal represents chlorine or bromine with a compound having one of the Formulae (V) to (VII) where M is silver on an alkali metal, and wherein the products thus obtained, if desired, are reacted to form salts. 1-Diphenyl-1-phenylcarbinol is prepared by reacting 4-phenylbenzophenone with sodium borohydride. Pharmaceutical compositions having antimycotic and antibacterial activity for oral, rectal or parenteral administration comprise at least one compound of Formula I in admixture with a solid or liquefied gaseous diluent or in admixture with a liquid diluent other than a solvent of molecular weight less than 200 except in the presence of a surface active agent.
Patent GB-929967-A (GB)
Title: Improvements in and relating to semiconductor devices
IPC: H01L23/047
Filed: 1959-12-23
Abstract: 929,967. Semi-conductor devices. PHILCO CORPORATION. Dec. 23, 1959 [Dec. 24, 1958], No. 43674/59. Class 37. [Also in Group XXIII] In an hermetically enclosed semi-conductor device such as a transistor triode, the electrical leads to the device are relatively 'flat and are sealed, in a substantially coplanar arrangement, in a member of insulating material. The semi-conductor device comprises a flanged top shield 11, Fig. 3, an apertured sealing dish 12 and a glass-surfaced lower shield 13, these members jointly serving to hermetically enclose the transistor assembly 14, the leads 15<SP>1</SP> to which are stamped out of a metal plate 26. In assembling the device, the leads 15<SP>1</SP> are encased between the lower glass surfaced face 28 of dish 12 and glass surface 27 of the lower shield 13. The glass faces which may be of potash, soda-lead glass are fused in an oven at 800-850‹ C. so that the adjacent glass faces coalesce and enclose the leads 15<SP>1</SP> between them. To facilitate sealing the leads, which may be of copper, they may be oxidized on their outer surfaces which may then be coated with a layer of glass by spraying or painting an alcohol and glass mixture on to the surface, or by dusting the surface when heated with powdered glass. In order to provide a path of low thermal impedance from the primary heat source, normally the collector junction, to an appropriate heat sink, a stud 20 is provided to afford intimate thermal coupling between the collector contact and its lead-in electrode. The stud 20, Fig. 2, and the collector contact or pellet of the transistor blank are joined by soldering. To facilitate attachment to the emitter and base elements of the transistor assembly 14, these elements are, respectively, provided with short U-shaped taps 22, 23, the upstanding terminal portions of which are joined preferably by cold welding to respective vertical lead portions 24. The leads are preferably formed from 2 mil. copper foil, the depth of penetration of the foil layer in the glass seal 27, 28 is preferably 10 mils. and the completed assembly is 30 mil. thick. Specification 926,021 is referred to.
Patent GB-1405112-A (GB)
Title: Heat-resistant doors, partitions and the like
IPC: E04B1/94
Filed: 1972-09-21
Abstract: 1405112 Fire-resistant panels SHAPLAND & PETTER Ltd 31 Aug 1973 [21 Sept 1972] 43825/72 Heading E1J [Also in Divison B5] A fire-resistant structure comprises two asbestos sheets 11 secured to opposite sides of two asbestos rails 12, and a laminated core 13. The core is of wood, metal or plastics, and facing sheets 14 are of plywood.
Patent GB-1434359-A (GB)
Title: Articles of furniture and a method of constructing same
IPC: A47B47/04
Filed: 1972-09-23
Abstract: 1434359 Cabinets; fixing furniture to floors and walls V M SCHREIBER 19 Sept 1973 [23 Sept 1972] 44121/72 Headings A4B and A4U Kitchen furniture comprises a wall-mounted unit 10 including walls 22 having slots 23 extending through which is a sheet metal member 15 providing a top 17, a rear wall 16 and a bottom 18. The walls also have grooves 25 for slidably receiving doors 27-29 formed in one piece from a flexible plastics material with transverse ribs. Shelves 30 are supported on pegs projecting from openings in the walls 22. Fluorescent light fittings may be provided beneath valence portions 21 of the member 15 for lighting a counter-top 14 of a wall and floor mounted unit 12 which has walls 122, a sheet metal member 115 and grooves 125 for roll-up doors 127, 128, constructed and arranged in a manner similar to their counterparts in the unit 10. The unit 12 also has drawers 142 having runners slidably engaging slots 143 in the walls, the drawers also being supported by horizontal portions of the doors. Electric motors may be provided for the doors of the units 10 and 12. The roll-up doors may be replaced by pivoted or sliding doors or the doors may be omitted to provide open shelving. The top, bottom and rear of the member 15 may be separate parts. The wall supports 33, may be channel or L-shaped for engaging recesses at the rears of the walls 22.
Patent GB-1441733-A (GB)
Title: Apparatus for burning cement raw materials and the like
IPC: F27D13/00
Filed: 1974-10-11
Abstract: 1441733 Cement burning apparatus PREROVSKE STROJIRNY NARODNI PODNIK 11 Oct 1974 [19 Oct 1973] 44224/74 Heading F4B Cement burning apparatus comprises a suspension preheater 3, a calcining shaft 4 and a rotary sintering kiln 1 with a cooler 2, and a material feed duct 11 from the preheater 3 to the exhaust duct 6 from the rotary kiln 1 to the calcining shaft 4 entering said duct below an air duct 7 from the cooler 2 to the exhaust gas duct 6, the duct 7 having a damper 19. The calcining shaft 4 discharges into a cyclone separator 5 which itself discharges calcined material via a line 10 to the rotary kiln 1.
Patent GB-968395-A (GB)
Title: Dibenzodiazepinone derivatives
Inventor: DAVOLL JOHN
IPC: C07D243/38
Filed: 1960-12-23
Abstract: The invention comprises compounds of formula: <FORM:0968395/C1/1> where R is H, CH3 or C2H5, R1 is halogen trifluoromethyl, CH3 or C2H5, R2 is H, CH3 or C2H5, and R3 is CH3 or C2H5 and N1-oxides and acid addition salts of such compounds. The compounds are prepared by reacting an alkali metal salt of a dibenzodiazepinone of formula: <FORM:0968395/C1/2> with a compound of formula Z-CH2CH2-halogen where Z i <FORM:0968395/C1/3> or a substituent convertible to <FORM:0968395/C1/4> The alkali metal salt of the dibenzodiazepinone is prepared by reacting the dibenzo-diazepinone with an alkali metal amide, or by reacting the corresponding N-(2-amino-5-R1-substituted phenyl) anthranilic acid ester with an alkali metal amide.  The compounds where R2 is hydrogen may be obtained by reacting a benzalkylaminoethyl halide with the alkali metal salt of the dibenzodiazepinone and subsequently removing the N-benzyl group by hydrogenolysis.  The dibenzodiazepinones may be obtained by heating the corresponding N-(2-amino-5-R1-substituted phenyl) anthranilic acid, and the latter may be prepared by reacting anthranilic acid or N-alkylated derivative thereof with a 2-bromo-4-R1 substituted nitrobenzene, and reducing the N-(2-nitro-5-R1-substituted phenyl) anthranilic acid so obtained to the N-(2-amino-5-R1-substituted phenyl) anthranilic acid.  Alternatively potassium o-bromobenzoate may be reacted with 2-amino-4-R1-substituted nitrobenzene or N-alkyl derivative thereof and the N-(2-nitro-5-R1-substituted phenyl) anthranilic acid or N-alkyl derivative thereof so obtained reduced to the amino compound.  Esters may be obtained by reacting the N-(2-amino-5-R1-substituted phenyl) anthranilic acid with an aliphatic alcohol.  Examples are given.
Patent GB-1260785-A (GB)
Title: Improvements in sealing devices for underground drilling machines
IPC: F16J15/40
Filed: 1970-09-18
Abstract: 1,260,785. Boring earth. SOC. GENERALE DE CONSTRUCTIONS ELECTRIQUES ET MECANIQUES (ALSTHOM). 18 Sept., 1970 [19 Sept., 1969], No. 44680/70. Addition to 1,258,678. Heading E1F. The shaft bearing of a turbine-driven earth drill is located in a lubricant-packed chamber 9 separated from the drilling mud, which penetrates as far as spaces 12, 23, by protective material such as silicone grease, oil or anti-rust compound. The protective material is contained in chambers 13, 25 and passages 26, 27 and is pressurised by a spring-loaded piston 18. The bearing lubricant and the protective material are separated by a floating piston 32, whose range of movement is limited by a stop 36. The piston 32 may be biassed by a spring 31 so that the lubricant is at a higher pressure than the protective material
Patent GB-1368302-A (GB)
Title: Turbidimeters
IPC: G01N21/53
Filed: 1971-11-10
Abstract: 1368302 Photo-electric turbidity measurement MONITOR TECHNOLOGY Inc 10 Nov 1971 [25 Nov 1970] 44908/73 Divided out of 1368301 Heading G1A The apparatus is identical with that of the Parent Specification except that the chamber 10 may also accommodate stationary fluid.
Patent GB-1124928-A (GB)
Title: Improvements in or relating to thermal actuators
IPC: F16K31/02
Filed: 1965-10-22
Abstract: 1,124,928. Temperature responsive actuating elements. HONEYWELL Inc. Oct. 22, 1965 [Nov. 2, 1964], No.44921/65. Heading G1D. A thermal actuator comprises an output shaft member 22 which is driven outwardly from a housing 11 inside a tube 17 by thermal expansion of a material 27 inside a pressure chamber 12 in the housing 11, the tube 17 being sealed against escape of the material 27 by a cup-shaped sliding seal 21 of flexible material, the arrangement being such that the material 27 in exerting pressure on the member 22 acts within the cup of the seal to force the peripheral wall 21b thereof against the walls of the tube 17 in which it slides, the sealing member 22 having an axial length which is greater than the length of its stroke in the tube 17. The material 27 may be paraffin or beeswax or a synthetic wax, and the tube 17 is secured to the housing 11 by brazing 20. The seal 21 is preferably of polytetrafluoroethylene and the shaft member 22 is provided with reduced diameter portions containing bearing members 25, 26 which guide the member 22 in the tube 17. These bearing members may be of glass-filled polytetrafluoroethylene. An electrical heater 30 is embedded in the material 27 and is connected to two terminals 35, 36 hermetically sealed in a terminal disc 34 closing the chamber 12. Sealing at the disc is achieved by providing an annular knife edge surface co-operating with a groove in the disc 34, the disc being pre-loaded against the expansion forces of the material 27 by an annular knife edge 42 on a screw threaded member 40. The actuator may be used to control a valve and may be held in place by screw threads 15 on the housing 11. The member 22 is spring-biased to its retracted position by a spring (not shown) and the movement of the member 22 may open a limit switch in the circuit of the heater 30.
Patent GB-1093697-A (GB)
Title: Vehicle guiding toy
IPC: A63H18/08
Filed: 1966-10-10
Abstract: 1,093,697. Track sections. LOUIS MARX & CO. Ltd. Oct. 10, 1966 [March 21, 1966], No. 45110/66. Heading A6S. A track section 11 for use in a spaced relationship with other similar sections to guide a self propelled, wheeled toy vehicle 12, comprises a base 15, an entry end into which the vehicle is guided by means of raised walls 16 and 17 and a "V"-shaped slot 13, and a raised central guide 18 which extends from the end of the entry portion to the exit end of the track. The edges of the base 15 at the entry and exit (21 and 19) are bevelled. Wall 16 has a raised portion as shown to engage the body of the vehicle 12 and the exit end of raised portion 18 is of reduced height. The vehicle, which may be clockwork or battery driven and is guided round the curve by contact between its wheels and wall 18, must have a body that has ground clearance greater than the height of wall 18, but small enough for the body to contact the raised part of wall 16.