baber/WOPTO huggingface dataset:
Patent GB-1283402-A (GB)
Title: Bipolar-to-mos interface arrangement
Inventor: CRAWFORD ROBERT HUDSON
IPC: H01L27/00
Filed: 1969-08-11
Abstract: 1283402 Bipolar to FET transistor coupling circuits TEXAS INSTRUMENTS Inc 11 Aug 1969 [9 Sept 1968] 39980/69 Heading H3T An interface stage between bipolar and MOS field effect transistor circuits comprises a bipolar transistor having its input and output terminals connected respectively to regions spaced in the surface of a substrate and having means in the input coupling to speed the switching. Fig. 13 shows TTL logic circuits 82, 84 coupled to a two-phase MOS logic circuit by a common base stage Q1, a speed-up capacitor (Fig. 10-12, not shown) being connected (but not shown) across RE. The common base transistor is of lateral type using the substrate as the base and may have a load RL in the form of a further F.E.T. (Figs. 5 and 6, not shown). It also includes an additional electrode between the emitter and collector and insulated therefrom so that the transistor is operable as a MOS transistor, the additional electrode forming a gate and being used as an inhibit input (Fig. 7, not shown) or, when the switches 94 are thrown, as an input from a proceeding MOS stage, the transistor then operating in common source mode. When the output of 84 is positive, the output from Q 1 is zero so that when 90 conducts the gate of Q D  is discharged. Accordingly when Q1 goes negative the source of the first Q o  transistor is carried negative by capacitor C L  and the transistor conduits, charging the gate of the second Q o  transistor negatively so that during the next # 2  pulse the second Q o  transistor does not conduct and the next gate (not shown) will remain at ground potential, the potential of the signal from Q 1 . When the input from 84 is zero, the potential at the output from Q is negative and this is transferred to the output of the logic circuit.
Patent GB-1001660-A (GB)
Title: Manufacture of photoconductive elements
IPC: H01L31/18
Filed: 1963-10-10
Abstract: Photoconductive elements are made from a composition consisting largely of cadmium sulphide or cadmium selenide (or a mixture of these) with up to 1/10 of their weight of zinc sulphide and lesser amounts of copper and chlorine.  A small quantity of a molecular sieve may be included in the composition.  In a preferred manufacture the powdered cadmium chalcogenide is mixed with powdered zinc sulphide and possibly with a molecular sieve such as calcium aluminium silicate.  An aqueous solution of cadmium chloride and a cupric salt (usually the chloride or sulphate) is then added and the mix homogenized.  Water is then removed at a temperature below 100 DEG  C. and the composition vacuum dried, again at a temperature below 100 DEG  C.  (In an optional step at this point the resultant powder is heated at 580-610 DEG  C., allowed to cool while still in air, and is then dry-mixed).  The composition is moulded without the application of heat-the pressure may be steadily increased to the desired maximum value, held at this value for some time, and then rapidly reduced to zero.  A pressure of about 7 tons cm.2 is generally sufficient to attain the maximum density at which approximately 93% of the available volume is filled.  Next, the element is held between two flat plates of inert material (such as silica or alumina) and subjected to heat treatment at 580-610 DEG  C. with free access of air.  The element is removed from the oven and allowed to cool.  Preferably, when the temperature has fallen to 400 DEG  C. it is placed in a zero-humidity chamber.  Comb electrodes of silver-aluminium alloy may be applied by vapour deposition. The devices are protected from moisture by sealing them in transparent or windowed casings or by embedding them in casting resins.  To extend the spectral response of the device to shorter wavelengths the element may be placed in optical contact with a fluorescent agent. This is best applied directly to the surface of the element by vacuum deposition, spraying, melting on, or by precipitation from a solution or dispersion.  Alternatively the fluorescent agent may be dispensed at low concentration in a transparent organic or inorganic binder and coated on the surface of the element-the binder is started to act as a light-pipe.  A glass plate may be used to protect the fluorescent layer but where a layer is formed by vacuum deposition of the fluorescent agent it is generally possible to provide it with a protective layer by evaporating on in vacuo a thin transparent layer of silicon monoxide which is converted to silica on exposure to air.
Patent GB-1464631-A (GB)
Title: Methods and apparatus for coating fabric or other flexible  support
IPC: D06C3/02
Filed: 1974-09-13
Abstract: 1464631 Coating webs S FERRARI 13 Sept 1974 [24 Sept 1973] 40054/74 Heading D1L In the coating of a fabric web with synthetic materials by (a) unwinding the web from reel 1 under tension, (b) applying the coating material at 4, (c) heating in a baking oven 6, (d) hot-rolling in a calender 7 and then (e) winding-up on reel 12, the fabric is maintained transversely stretched during heating by passing the web on a tenter through the baking oven, a second coating to the same side being applied whilst the fabric is still hot and stretched by passage through a coater 8, oven 9 and calender 10. The web may be applied to the tenter at 5 after coating at 4 or prior to being initially coated, [see Fig. 2 (not shown)]. The web is removed from the tenter at 11 after calender 10.
Patent GB-1350218-A (GB)
Title: Hydrocarbon separation process
IPC: C07C15/08
Filed: 1971-08-26
Abstract: 1350218 Separating C 8  aromatics by adsorption UNIVERSAL OIL PRODUCTS CO 26 Aug 1971 [31 Aug 1970] 40067/71 Addition to 1236369 Heading C5E The process of the Specification 1,236,369 for the separation of C 8  aromatic isomers is improved by using as adsorbent a type X or type Y crystalline aluminosilicate containing Ba and K cations in a weight ratio of Ba : K of 1 : 1 to 100 : 1. Para-xylene is selectively retained by the adsorbent.
Patent GB-1201868-A (GB)
Title: Doors for buildings
IPC: E05D15/06
Filed: 1968-08-23
Abstract: 1,201,868. Basic operable doors; catch fastenings. AMERICAN METAL CLIMAX Inc. 23 Aug., 1968 [25 Aug., 1967], No. 40367/ 68. Headings E1J and E2A. A door panel 40 is slidable normally between a door opening 14 and a storage space 15 defined by a door frame assembly 11 and includes upper and lower guide tracks 21, 26 for mounting the door assembly 20 which includes a door carriage 30, the panel 40 carried by a carriage 30 slidable on the track 21 by rollers 33, 34 the carriage frame being open at the side remote from the storage area 15 and mounting the door panel 40 by hinges 41-42 and 44-45 on the vertical member 31 of the carriage for pivoted movement relative to the carriage, the panel and carriage being removably fastened to the carriage at the end opposite the hinges by means of a pin on the panel locking within spring pressed jaws 56, 57 of a "hold close" structure 55 so that pressure on the panel 20 from the inside releases the pin from the catch 55 and enables the panel to pivot about its hinges 41, 42, 44 and 45 in whatever position in its traverse path the panel may be. The sliding movement may be effected automatically by known mechanism 28 and a door limit arm 65 limits the maximum opening of the panel 40. When a pocketed storage area (Fig. 9, not shown) for the panel 40 by an inner fixed panel and an outer hinged panel, this latter is swingable outwardly about its hinges when the panel 40 is pressed against it.
Patent GB-985163-A (GB)
Title: External shoe-drum brake construction
IPC: F16D49/16
Filed: 1963-10-15
Abstract: 985,163. Brake actuators. CLARK EQUIPMENT CO. Oct. 15, 1963 [Nov. 29, 1962], No. 40560/63. Heading F2E. A piston-cylinder device 24 connected between the arms 16, 18 of an external shoe-drum brake acts to engage and disengage the shoes 20, 22 with the drum 12. The device 24 acts to apply the brake with spring 42 and release the same by admitting hydraulic pressure into the chamber 34 to compress the spring 42. The extension 56 of the cylinder (or the piston rod 30) is connected to the respective arm with lost-motion which is between the shoulder 58 and the end of sleeve 64. A spring 66 having a lower spring rate than spring 42 bears on the arm and with the lost-motion connection allows the application and release of the brake to be made gradually.
Patent GB-1282176-A (GB)
Title: Aspirator jet for drawing-off filaments
Inventor: DORSCHNER HEINZ OSKAR
IPC: B65H51/16
Filed: 1969-08-15
Abstract: 1282176 Aspirator jets METALLGESELLSCHAFT AG 15 Aug 1969 [17 Aug 1968] 40894/69 Headings D1F and D1R [Also in Division F1] Filaments of thermoplastic material e.g. polyolefins, polyamides and polyesters are drawn off by means of an aspirator jet comprising a nozzle having a smoothly curved throat 16 with a funnel shaped inlet part 15 and an expanding outlet which forms an expansion chamber 17 for a primary aspirating gas. The primary gas is introduced under pressure through inlet conduit 11. A guide conduit 2 is centrally located in the throat 16 and extends through expansion chamber 17 and has an inlet port 3 for introduction of the filaments and secondary air which due to the influence of the primary aspirating gas reaches at least sonic velocity as it emerges from the orifice 19. The filaments and aspirating medium then pass through a draw-off conduit 18. The ratio of the open cross-sectional area of the end of the expansion chamber to that of the throat 16 is from 7:1 to 3:1. The expansion chamber may also be curvilinear in cross-section.
Patent GB-993599-A (GB)
Title: Improvements in the purification of alpha-olefin polymers
IPC: C08F6/02
Filed: 1963-10-16
Abstract: Catalyst residues of vanadium and organo-aluminium compounds contained in an alphaolefin hydrocarbon copolymer are removed from a solution of the copolymer by mixing the solution at a temperature between 0 DEG  and 200 DEG  C. for no more than one minute under conditions of high shear agitation with sufficient of an aqueous mineral acid solution containing 0.01 to 0.8% acid by weight to give a ratio of equivalents of acid to total gram atoms of vanadium and aluminium of at least 1: 1, and separating the resulting aqueous phase containing the catalyst residue from the copolymer solution. The other monomeric unit in the copolymer may be derived from another alpha-olefin or an olefin containing more than one carbon-carbon double bond.  The Specification contains long lists of copolymers and catalyst components. Exemplified copolymers are of ethylene/propylene/and 1,4-hexadiene.  The catalyst residues in these copolymers is derived from diisobutyl aluminium monochloride and vanadium oxytrichloride.  The solvents may be hydrocarbons or halogenated hydrocarbons.
Patent GB-1169551-A (GB)
Title: Detergent Bar
Inventor: WARING JOHN WALTER
IPC: C11D9/30
Filed: 1966-03-11
Abstract: 1,169,551. Stabilized detergent bars. UNILEVER Ltd. 10 March, 1967 [11 March, 1966; 13 Sept., 1966], Nos. 10926/66 and 40915/66. Heading C5D. A detergent bar contains as preservative a synergistic mixture of at least 0À005% ethane-1- hydroxy-1,1-diphosphonic acid (EHDP) and 0À005% ethylene - diamine - tetra - acetic acid (EDTA) by weight of the bar. The EHDP, the EDTA or both may be in the form of their esters or salts. The detergent may be soap, or the bar may contain an ingredient having a long-chain fatty residue (C 10  to C 26 ) which may be branched or straight, contain functional groups and contain one or more double bonds. The detergent bars may thus contain, as major active, such non-soap detergents as olefin sulphonates, fatty acyl isethionates, fatty acyl taurides and fatty alcohol sulphates. The bars may contain mixtures of soap and non-soap detergents. Perfumes and other additives, e.g. a fatty acid alkanolamide containing a longchain fatty residue, can also be incorporated into the detergent bars.
Patent GB-1219730-A (GB)
Title: Improvements in or relating to fan assemblies
Inventor: HAYASHI MASAHARU
IPC: F04D29/32
Filed: 1969-08-15
Abstract: 1,219,730. Axial-flow fans. AISIN SEIKI K.K. Aug. 15, 1969 [Aug. 18, 1968; April 4, 1969], No.40922/69. Heading F1C. [Also in Division F2] In a fan assembly, e.g. for automobiles, comprising plastics blades 29, Fig. 1, and a plastics hub 28, the latter is secured to a driving member 12 by bolts 23 which pass through double-flanged bushes 30. The bushes reduce the likelihood of fracture of the hub due to overtightening of the bolts, and space the hub from the driving member to obstruct the flow of heat from the driving member to the hub. The driving member is the output member of a fluid coupling 10 containing viscous working fluid, e.g. silicone oil, in a space 26 between the driving member and an input member 11, and provided with cooling fins 40. Alternative forms of the bushes and means for fitting the bushes to the hub are disclosed with reference to Figs. 3 to 7 (not shown).
Patent GB-1470930-A (GB)
Title: Cold water-soluble dyeing preparations of anionic dyestuffs
IPC: C09B67/24
Filed: 1975-10-07
Abstract: 1470930 Water-soluble anionic dyestuff compositions BAYER AG 7 Oct 1975 [18 Oct 1974] 41009/75 Heading D1B Solid dyestuff preparations which are soluble as defined in cold water comprise a guanadinium salt as defined of an anionic dyestuff of particle size at most 10 microns and a surface active agent, preferably non-ionic or anionic. The dyestuff preparations are prepared by mechanical comminution for 10 to 30 mins of an aqueous suspension of surface active agent and a guanadinium salt of an anionic dyestuff or a sodium salt of an anionic dyestuff and a guanadinium salt followed by drying to solidify the product. Dyeing liquors and printing pastes may be prepared from the solid dyestuff preparations.
Patent GB-1494110-A (GB)
Title: Final drive units for motor vehicles
IPC: F16H48/40
Filed: 1975-10-07
Abstract: 1494110 Differential gearing CHRYSLER UNITED KINGDOM Ltd 21 Sept 1976 [7 Oct 1975] 41060/75 Heading F2D A motor vehicle final drive unit comprises a differential 12 having a rotatable planet wheel carrier 13 which has an axial extension on one side, supported in a bearing 14 and an axial extension 15 on the other side, the axial extension 15 having a ring gear 18 secured to it which is mounted on a bearing 19a on a fixed bearing carrier 21. The bearing carrier 21 is mounted in part-cylindrical recesses of a transmission housing 10 and a differential casing 11. The axial extension 15 rotatably supports the housing 24 of a universal joint, a carrier member 34, 35 transmitting torque to the joint from a bevel gear 39. In an alternative embodiment (Fig. 2, not shown) the bearings 14 and 19a are replaced by oppositely acting tapered roller bearings.
Patent GB-1079806-A (GB)
Title: Apparatus for tube drawing and the like
IPC: B21C3/14
Filed: 1964-10-08
Abstract: 1,079,806. Drawing; extruding. CERRO CORPORATION. Oct. 8, 1964 [Feb. 4, 1964], No. 41125/64. Heading B3P. A die-holder for tube or wire drawing comprises a housing block having a spherical recess, a ball-shaped member in the recess, dies mounted in the ball-shaped member and means for facilitating universal movement of the member in the recess, said means comprising a hollow hemi-spherical cage between the ball and the wall of the recess, the cage having a multiplicity of radially-extending openings and bearing balls, in said openings, which roll on the wall of the recess and the ball-shaped member. The housing block 6 is mounted by trunnions 10 in electrically insulative bushes 5 supported in brackets 1 and 2 which form part of a drawing machine. In the housing block is a cylindrical bore 7 leading to a hemispherical recess 8. A ball-shaped member 11 is disposed in the recess 8 and between the wall of the recess and the member 11 are a plurality of balls 35 which are positioned by a hemi-spherical cage 33. The ball-shaped member 11 is retained by an annular member 12 which has a conical surface 15 and is secured to the housing block 6 by screws 14. A diametral bore 16 in the ball-shaped member 11 is counter-bored at 17 to receive two die casings 18 and 19 which are spaced by a ring 25. Die nibs 20 and 21 are mounted in the casings. The material being drawn passes through the dies from left to right as seen in Fig. 2. The ring 25 has radial apertures through which lubricant is supplied to the dies.
Patent GB-926082-A (GB)
Title: Improvements relating to compressor casings for gas-turbine engines
IPC: F02C7/32
Filed: 1961-11-17
Abstract: 926,082. Gas turbine plant; centrifugal compressors. DAIMLER-BENZ A.G. Nov. 17, 1961 [Nov. 18, 1960], No. 41304/61. Classes 110 (1) and 110 (3). A compressor casing for a gasturbine engine with an accessory drive taken from the compressor drive shaft beyond the final, radial flow, stage of the compressor, consists essentially of two detachably connected parts separated perpendicularly to the longitudinal axis of the turbine at the position of the compressor diffuser, namely a front casing part which serves for the mounting of the accessories and a front train of the accessory drive, and a rear casing part which serves for the mounting of a rear train, on the shaft side, of the drive and for the installation of intermediate and rear bearings of the shaft. The casing for a compressor 12 comprises two parts vG, hG which are axially separated by wedge-shaped guide-blades 15 between which are formed diffuser passages 11. The front casing part vG is provided with a kidney-shaped channel 22 which contains a spur-gear train H 2  and supports a cover 23 which carries all or most of the turbine accessories, comprising a lighting generator 24, a revolution indicator 25, a fuel regulator 26 and a lubricating oil pump 27. The rear casing part hG carries a gear train H 1  which is connected with the gear train H 2  by a shaft 30. An opening 20<SP>1</SP> fitted with a cover 21 facilitates the mounting of gear wheels in the train H 1 . Passages 31 interconnect the oil pump 27 with a pressure duct 32 and a suction duct 32<SP>1</SP> formed in stiffening ribs in the rear casing part hG. Securing bolts 33, passages 31 and shaft 30 all pass through the blades 15 so as to provide uninterrupted diffuser passages 11. A removable screen 19 protects the compressor and the diffuser against thermal radiation from a combustion chamber 29, receiving air from a removably mounted air-collector housing 28. The rear end 19<SP>1</SP> of the screen 19 may slide on a flange of an extension hG 1  of the casing part hG to permit relative thermal expansion. The extension hG 1  supports on bearings 16, 17 a compressor-drive shaft 18 connected to a turbine 35 having an inlet 34.
Patent GB-870922-A (GB)
Title: Improvements in or relating to delayed automatic gain control arrangements for transistor amplifier
IPC: H03F3/191
Filed: 1959-12-08
Abstract: 870,922. Transistor amplifying and gain control circuits. TELEFUNKEN G.m.b.H. Dec. 8, 1959 [Dec. 15, 1958], No. 41684/59. Class 40(6) In a delayed automatic gain control (a.g.c. circuit, the gain controlling potential is fed to the transistor to be controlled via a diode connected for A.C. in parallel with part of the input tuned circuit of the transistor to compensate for the decrease in damping due to change in transistor input resistance with change in a.g.c. potential. The output from the intermediate frequency (i.f.) transformer Z 2  is detected and then amplified by transistor T 3 . Part of the average D.C. signal developed across the load of this transistor is fed back from the base circuit of i.f. amplifier T 1  through the diode D 2  which is effectively in parallel with the base circuit for A.C. signals. The level at which diode D 2  starts to conduct is determined by the potential dividers R 8 , R 9  and R 7 , and when conducting it applies a.g.c. volts to the base of T 1 , and also compensates for changes in input impedance of T 1 . The circuit may be arranged to provide over, under, or exact compensation. In a second embodiment Fig. 3 (not shown) the a.g.c. voltage is applied to control a radio frequency amplifier, from which a connection is taken from the emitter or collector over a resistor to control the gain of an i.f. stage.
Patent GB-1450043-A (GB)
Title: Penicillins
IPC: C07D499/72
Filed: 1972-09-08
Abstract: 1450043 6 - [α - Phthalidoxycarboxyacetamide]penicillins BEECHAM GROUP Ltd 28 Aug 1973 [8 Sept 1972] 41756/72 Heading C2C Novel penicillins of Formula (I) and salts thereof, wherein R is an alkyl, cyclealkyl, aryl or heterocyclic group; X and Y are the same or different and each is oxygen or sulphur; Z represents a group which, together with the moiety forms a lactone, thiolactone or dithiolactone ring system; and R<SP>1</SP> is hydrogen, hydroxy, alkoxy, carboxyl, halogen, amino, alkyl, alkenyl, alkynyl, aryl or aralkyl, are prepared by reacting 6-aminopenicillanic acid or a salt or silyl derivative thereof with an N-acylating derivative of a compound (III) wherein R, B<SP>1</SP>, X, Y and Z have the aforesaid meanings, and if a silyl derivative of 6-aminopenicillanic acid was used, thereafter removing the silyl group by hydrolysis or alcoholysis. The meanings of Z include straight and branched chain saturated or unsaturated divalent hydrocarbon radicals having 2 to 12 carbons two or more of which may be joined to form part of a carbocyclic or heterocyclic ring system, and which radicals may carry one or more substituents. Preferably Z is a 1,2- phenylene group optionally substituted by one or more alkoxy, nitro or halogen groups. Phthalide hydrogen phenylmalonate and phthalide hydrogen 3-thienylmalonate are each prepared by reacting o-phthalaldehydic acid with the acid chlorides of respectively, phenylmalonic acid and 3-thienylmalonic acid. They are converted to the corresponding acid chlorides by reaction with thionyl chloride. 5,6-Dimethoxyphthalidyl hydrogen phenylmalonate is converted to its acid chloride with thionyl chloride.
Patent GB-1428145-A (GB)
Title: Electrographic copy apparatus
IPC: G03G15/00
Filed: 1973-09-05
Abstract: 1428145 Electro-photographic apparatus EASTMAN KODAK CO 5 Sept 1973 [5 Sept 1972] 41773/73 Heading G2H A moving photo-conductive web 16 comprises a support 40, a conductive layer 42 and a photoconductive layer 44 with an inlaid conductive strip 46; electrical contact to a reference potential, e.g. earth, being made with the strip 46 by a roller 52 in line contact with the surface of the strip 46 and with its axis of rotation inclined to the direction of movement of the strip 46 to impart a scrubbing force thereto. The roller 52 is preferably cylindrical, as shown, but may be conical, spherical or ellipsoidal.
Patent GB-1529322-A (GB)
Title: Orally utilizable compositions process for preparing same flavour composition therefor and process for preparing same
IPC: A23L27/00
Filed: 1975-10-13
Abstract: 1529322 Entrapped flavourings for chewing gum; flavouring tobacco INTERNATIONAL FLAVORS & FRAGRANCES INC 13 Oct 1975 [15 Oct 1974] 41776/75 Headings A2B and A2C [Also in Division A5] Compositions for flavouring chewing gum, chewing tobacco, chewable vitamin tablets and toothpaste are made by mixing an aqueous solution of flavour entrapment material with a volatile water-immiscible flavouring agent or oil, drying the resulting emulsion to form a solid encapsulated flavouring agent (i), mixing further volatile water-immiscible flavouring agent or oil with silica, xanthan gum or ethyl cellulose as a suspending agent to form a suspension (i), and mixing (i) and (ii). The resultant suspension, which may be a powder or paste, is mixed with gum or toothpaste base to form a product having lasting flavour. Preferred flavourings comprise 3-7 parts free or non-combined flavouring oil, 3-7 parts flavouring oil entrapped in gum acacia, gelatin, modified food starch or dextrin and 0.1-1 parts suspending agent of particle size 0.008-0.03 microns, surface area 150-400 m<SP>2</SP>/g and density 2-3 lb/ft<SP>3</SP>. Suitable natural and synthetic flavour oils are specified.