baber/WOPTO huggingface dataset:
Patent GB-1331795-A (GB)
Title: Method of manufacturing a vehicle
IPC: B62D63/08
Filed: 1970-11-02
Abstract: 1331795 Road vehicle bodies; passenger gangways BOOTHE AIRSIDE SERVICES Inc 2 Nov 1970 [3 Nov 1969] 52063/70 Headings B7B and B7J The body of a road vehicle is formed from two preassembled longitudinal frame halves 10a and 10b which are separately mounted on bolsters 14 on the vehicle chassis and are subsequently bolted together. Each half frame, Fig. 3, is assembled, fitted with skin panels, and its interior finished prior to being mounted on the chassis. Transverse bearing members are bolted to the floor of the assembled body for reinforcement, and the bolsters are vertically movable relative to the chassis on vertical beams 18 by means of threaded drive shafts 22 which co-operate with nuts 24. The nuts 24 move to contact the bolsters 14 as the shafts 22 rotate and thus may raise or lower the bolsters. The vehicle may be used as a mobile lounge for conveying passengers at airports where the ability to raise and lower the body enables passengers to transfer between the vehicle and aircraft or terminal buildings where entrances may be at different heights. Each half frame includes a floor ladder 26 consisting of longitudinals 28, 30 joined by cross-members 32. Transverse members 34 extend from the longitudinals and are secured at one side to a lower outside stringer 36 and at the other side to Z section central stringers 38, 40, 42. Side posts 44 are secured to the lower stringer 36 and an upper stringer 46 and are interconnected by crossmembers 48. A plurality of stanchions 50 are respectively connected to the central stringers 38, 40, 42 and ridge poles 52, 54, 56 which are of Z section. Roof carlines extend between the poles 52, 54, 56 and upper stringer 46. Each completed half frame is fitted to the vehicle chassis and then the half frames are bolted together by means of an H-shaped member (Figs. 9-11, not shown) which is connected to the ridge poles of each frame half.
Patent GB-1519680-A (GB)
Title: Disazo dyestuffs
IPC: C09B31/047
Filed: 1976-12-14
Abstract: 1519680 Disazo dyestuffs BAYER AG 14 Dec 1976 [19 Dec 1975] 52102/76 Heading C4P Novel disazo dyes having the formula (where D is the radical of an aromatic carbocyclic or heterocyclic diazo component; K is the radical of a carbocyclic or heterocyclic coupling component; A and B independently are a direct bond or a bridge member; R 1  is H, C 1 -C 4  alkyl, optionally substituted phenyl or naphthyl, C 1-4  alkoxycarbonyl, CN or optionally substituted carbamoyl in which the substituents may form with the N atom a piperideine, pyrrolidine or morpholine ring; R 2  is C 1-4  alkyl, or optionally substituted phenyl or naphthyl and m and n are 0-2 and m + n = 1 or 2) are prepared by diazotizing an amine D-NH 2  and coupling to the appropriate 2- amino-thiazole compound; the resulting aminoazo compound is then diazotized and coupled with a compound K-H. The dyes are used for colouring natural and synthetic fibre materials, particularly polyamide, in violet to blue-green shades.
Patent GB-1359819-A (GB)
Title: Electrophotography
IPC: G03G9/113
Filed: 1970-12-30
Abstract: 1359819 Electrostatic carriers AGFA-GEVAERT 30 Dec 1971 [30 Dec 1970 8 Jne 1971] 52285/71 and 52286/71 Divided out of 1359818 Heading B2E  An electrostatic carrier is produced by treating glass beads first with a solution of a trialkoxysilane and then with a polymer containing reactive hydrogen atoms. The trialkoxysilane may have the formula Various polymers are specified, including ethyl cellulose which may be applied as a solution containing an azo dye. The beads may be rolled in the treatment solution or the treatment solution may be applied to the beads in a fluidised bed. They may have a diameter of 0.5-0.8 mm. and may be pretreated with a degreasing agent (e.g. chromic acid).
Patent GB-1382987-A (GB)
Title: Silicon carbide artefacts
IPC: B28B7/34
Filed: 1971-11-10
Abstract: 1382987 Silicon carbide artefacts UNITED KINGDOM ATOMIC ENERGY AUTHORITY 30 Oct 1972 [10 Nov 1971] 52306/71 Heading C1A A green silicon carbide artefact is formed with a hole therein, the hole containing graphite of density at least 0À963 gm./cc. The so-formed artefact may be siliconized. One method for providing the hole is that of protecting a hole within a green silicon carbide artefact during siliconizing of the artefact by filling the hole with graphite of density at least 0À963 gm./cc. In an alternative method a graphite plug is surrounded by green silicon carbide to form an artefact, siliconizing and drilling out the plug, preferably leaving a film of graphite on the surface of the hole.
Patent GB-1494637-A (GB)
Title: Electrophotographic recording material and method of producing it
IPC: G03G5/14
Filed: 1974-12-05
Abstract: 1494637 Electro-photographic materials LICENTIA PATENT VERWALTUNGS GmbH 5 Dec 1974 [21 Dec 1973] 52680/74 Heading G2C An electro-photographic material comprises a flexible support, an intermediate layer of a metal with a modulus of elasticity of less than 6000 kp/ square mm and a recrystallization temperature of less than 40‹C (Pb and In only specified) and a ptype photo-conductive layer of Se, Se compound or Se alloy. Steel is the specified support and there may be an insulating layer of aluminium oxide or plastics between the metal and photoconductive layers.
Patent GB-1445858-A (GB)
Title: Method of and apparatus for controlling an injection moulding  machine
IPC: F15B11/028
Filed: 1973-11-16
Abstract: 1445858 Injection moulding; control NISSEI PLASTICS INDUSTRIAL CO Ltd 16 Nov 1973 [17 Nov 1972] 53419/73 Heading B5A The injection speed and pressure of an injection moulding machine are controlled by controlling the hydraulic pressure supplied to a cylinder 1 by means of a plurality of electrically operable pressure control valves V 1  ... V 4  each of which is capable of assuming an operative or inoperative state independently of the others and which are operated successively one at a time. The cylinder 1 contains a piston 2 connected to an injection screw 4, and is connected through a valve SOLa and main fluid supply line to a pump P. A main pressure control valve 3 is connected to the main supply line and to four parallel connected circuits each comprising a solenoid operated valve SOL 1  ... SOL 4  and a pressure control valve V 1  ... V 4 . The valves V 1  ... V 4  are brought into operation in sequence by means of a limit switch LS1 and two timers (Fig. 2, not shown) or by means of three adjustable timers (Fig. 4, not shown).
Patent GB-1527639-A (GB)
Title: Piezo-electric materials
IPC: H01L41/18
Filed: 1976-12-22
Abstract: 1527639 Piezo-electric materials MITSUBISHI PETROCHEMICAL CO Ltd 22 Dec 1976 [29 Dec 1975] 53532/76 Heading C3M [Also in Division H1] A blend of polymers comprises 99 to 20 wt. per cent of an acetal resin and 1 to 80 wt. per cent of a polar polymer whose relative permittivity is above 4À0 and whose modulus of elasticity is below 8À0 Î 10<SP>9</SP> dynes/cm.<SP>2</SP>. The polar polymer may be a chlorinated or fluorinated polyolefin or an acrylonitrile-butadiene rubber or other synthetic rubber, but the Specification should be consulted for a comprehensive list of materials.
Patent GB-1261200-A (GB)
Title: Separation procedure
Inventor: BROWN CLIFFORD GORDON
IPC: C01F17/224
Filed: 1968-11-12
Abstract: 1,261,200. Solvent extraction of rare earths. THORIUM Ltd. 11 Nov., 1969 [12 Nov., 1968], No. 53635/68. Heading C1A. A batchwise method for separating a soluble compound of a rare earth element (or yttrium) from a mixture by countercurrent solvent extraction, in which the R.E. is extracted from an aq. mineral acid solution into DEHPA diluted with an organic diluent, by adding mineral acid to the organic exit end of the system to maintain the pH of the aqueous solution at a level sufficient to hold a chosen R.E. within the system, whilst allowing RE's of higher atomic number to pass out of the system at the organic exit end, whilst transferring all RE's contained in the acid soln. issuing from the aqueous exit end to DEHPA/ diluent solution and readmitting them at the aqueous end, stopping the flow of all materials when the desired purification is achieved; and removing the pure RE solution. Preferred mineral acids are HCl and HNO 3 . Particularly specified RE is Gadolinium.
Patent GB-1031734-A (GB)
Title: Improvements in or relating to hydraulic pumps and motors
IPC: F01B3/10
Filed: 1963-01-08
Abstract: 1,031,734. Hydrostatic transmissions. C. VAN DER LELY N.V. Jan. 8, 1963 [Jan. 26, 1962], No. 53728/65. Divided out of 1,031,731. Heading F2C. [Also in Division F1] In hydrostatic transmission comprising a pump 1 and a motor 2 with valve plates 19, 71 arranged back-to-back, the cylinder blocks are mounted in a frame 6 so as to be immovable axially, whilst the valve plates are arranged to have limited axial and tilting movement relative to the blocks. Each valve plate is held against rotation by a pin 78 and biased against the block by springs 79. The rear portions of the valve plates exposed to the high and low pressure ports, are dimensioned so that the valve plates are urged towards or away from the drive-shaft ends of their respective pump or motor, each drive-shaft being supported by a tapered roller bearing acting in the appropriate direction to absorb the thrust. In another embodiment (Fig. 11, not shown), the drive-shaft is supported by a double thrust ball-bearing. The cylinder block may be integral with the shaft or mounted on a tapered portion of the shaft by a bolt (Fig. 10, not shown). The cylinders in the block may be parallel or inclined to the axis of rotation. The swash-plate includes a thrustring supported axially and radially by series of rollers (Fig. 1, not shown).
Patent GB-1472438-A (GB)
Title: Mine stowing dam
IPC: E21D23/04
Filed: 1974-12-13
Abstract: 1472438 Mine roof supports; goaf stowing KOMBINAT GORNICZO-HUTNICZY MIEDZI ZAKLADY BADAWCZE I PROJEKTOWE MIEDZI CUPRUM 13 Dec 1974 [2 Jan 1974] 53905/74 Headings E1F and E1P In a mine roof support assembly comprising supports A, B and a continuous stowing cloth fastened at its upper edge to upper frames fixed to the roof bars of the supports and at its lower edge to lower frames fixed to the lower parts of the props, the space between adjacent frames is protected by a part of the cloth adhering to an elastic shield 6 which is fixed to one of the frames of one of the supports and rests on the frame of an adjacent support.
Patent GB-1105679-A (GB)
Title: Indole derivatives
IPC: C07D209/12
Filed: 1965-12-21
Abstract: Novel 2-substituted-3-halomethyl indole derivatives of the formula <FORM:1105679/C2/1> wherein R1 represents an aroyl or heteroaryl radical having one or two fused rings which may be substituted or unsubstituted alkyl, aryl, aralkyl or alkaryl radical containing up to 9 carbon atoms, R3 may be hydrogen or a reaction-inert substituent and X is halogen, are obtained by reacting the corresponding 1-acyl-3-indolyl methanols with halogenating agents.  The 1-acyl-3-indolyl methanol may be obtained by reacting the corresponding N-unsubstituted indole with dimethyl formamide in the presence of phosphorus oxychloride to give an N-unsubstituted 3-indolyl carboxaldehyde, acylating this and reducing the N-acyl 3-indolyl carboxaldehyde produced.  The above 3-halomethyl indole compounds may be reacted with carbon monoxide in the presence of palladium chloride to give the corresponding 3-indolyl acetyl halide which may be hydrolysed to the corresponding 3-indolyl acetic acid. p-Nitrophenyl isonicotinate which is used as an acylating agent is prepared by reacting p-nitrophenol with isonicotinic acid in the presence of dicyclohexylcarbodiimide.  Therapeutic compositions useful in the treatment of arthritic and dermatological disorders contain the above 3-indolyl acetic acids as active ingredients.  The composition may be in a form suitable for oral administration.
Patent GB-1367796-A (GB)
Title: Locking fastener
IPC: F16B39/30
Filed: 1971-11-22
Abstract: 1367796 Self-locking screws TEXTRON Inc 22 Nov 1971 [23 Nov 1970] 54077/71 Heading F2H A self-locking screw 10, 110, or 210, to be engaged with an internally threaded member 26 having a standard thread form, has a driving head 12, 112, 212, a shank portion, and a tapered work-entering end 16, 116, 216, with an external thread 17 on at least part of the shank portion, this thread including a preparation portion A adjacent the tapered end 16 having thread turns of a thread form which on engagement with the internal thread of member 26 will reshape and size the internal thread to a predetermined configuration, and a locking thread portion B (Figs. 2, 4, 5) or C (Fig. 7) further from the end 16 than the preparation portion A and having a thread form which, on engagement with the internal thread of member 26 after reshaping thereof by the preparation portion A, will produce a predetermined interference along one or both of the engaged thread flanks. In Fig. 2 the preparation portion A has an effective pitch cylinder 28 of diameter equal to or slightly greater than the maximum tolerance value of the pitch diameter 29 of the nut 26. The threads 17B of the locking portion B have a pitch diameter 30 greater than that of the preparation portion A. The thread pitches of the nut, the preparation portion A, and the locking portion B all are equal. In Fig. 4, the locking portion B has the same pitch cylinder 28 diameter as the preparation portion A, but the locking threads 17B have a convexly arcuate leading flank profile and a concavely arcuate following flank profile. In Fig. 5, the threads of the preparation portion A have convexly arcuate leading flank profiles 118 and concavely arcuate following flank profiles 120, while the threads 115 of the locking section B are straight-sided. In a modification, Fig. 7, the preparation portion A is the same as in Fig. 5, but is followed by a one turn transition thread 210 having straight flanks, and the locking portion C has a thread profile with concavely arcuate leading flanks 224 and convexly arcuate following flanks 222. A further modification (Fig. 10, not shown) is similar to Fig. 7 except that the concave and convex flanks are formed by pairs of straight lines (280, 282 and 284, 286) instead of being arcuate. The preparation portion A may be circular or tri-lobular (Fig. 8, not shown) in transverse cross-section.
Patent GB-1244929-A (GB)
Title: Improved process for producing a planar-type semiconductor device
IPC: H01L21/033
Filed: 1969-11-06
Abstract: 1,244,929. Etching. FUJITSU Ltd. 6 Nov., 1969 [28 Nov., 1968], No. 54414/69. Heading B6J. [Also in Division H1] A Cr layer 7, which is itself shaped by etching through a photoresist mask 8, is used as an etching mask to define the shape of a Pt layer 6 on a semi-conductor device, the Cr layer 7 subsequently being removed. In the embodiment a Si body 1 provided with a Pt 5 Si 2  ohmic contact region 4 through a SiO 2 /Si 3 N 4  passivating layer 2/3 has deposited sequentially thereon a Ti layer 5, the Pt layer 6, the Cr layer 7 and the photoresist layer 8. A specified aqueous KOH/KMnO 4  etchant is used to etch the Cr layer 7 and a 3-10:1 by volume HNO 3 /HCl mixture is used to etch the Pt layer 6. An Au layer and an Au beam lead are electrodeposited on to the Pt layer 6 after complete removal of the photoresist 8 and Cr 7. The exposed area of the Ti layer 5 may finally be removed using an H 2 SO 4 /HF etchant.
Patent GB-1245797-A (GB)
Title: Process for producing hydrogenated hydrocarbon polymers
IPC: C08C19/02
Filed: 1968-11-15
Abstract: 1,245,797. Conjugated diene polymerization and hydrogenation. BRIDGESTONE TIRE K.K. 15 Nov., 1968 [27 Nov., 1967], No. 54465/68. Heading C3P. In a process for producing hydrogenated polymers, (a) conjugated dienes are homo- or copolymerized with other dienes or with vinylsubstituted aromatic hydrocarbons in the presence of an alkali metal or hydrocarbyl thereof, (b) unpolymerized monomer is removed from the resulting living polymer solution, without adding any polymerization inhibitor, (c) the living polymer solution is mixed with an organic compound of cobalt or nickel and (d) the resulting mixture is contacted with hydrogen. Conventional polymerization and hydrogenation conditions are employed and the final product may be deactivated, recovered and vulcanized. The hydrogenation is accompanied by increase of molecular weight. In the examples, butadiene is homopolymerized, or block or random copolymerized with styrene, in the presence of n-C 4 H 9 Li in n-hexane, in some cases additionally with tetrahydrofuran or K.O.- + -C 4 H 9 . as "randomizer", and the following catalysts used for hydrogenation : nickel or cobalt naphthenate, bis(acetylacetone) nickel, cobalt or nickel octanoate, bis(ethylacetoacetate) nickel, or bis(3,5-diisopropyl salicylic acid) nickel alone, prereduced nickel naphthenate/(C 2 H 5 ) 3 Al with or without 1,7-octadiene, and prereduced bis (acetylacetone) nickel/(C 2 H 5 )aAl/ 1,7-octadiene.
Patent GB-1450553-A (GB)
Title: Seals and a method of manufacture thereof
IPC: F01D11/00
Filed: 1973-11-23
Abstract: 1450553 Seals ROLLS-ROYCE (1971) Ltd 15 Nov 1974 [23 Nov 1973] 54518/73 Heading F2B Preparations to the elimination of the region of uneven distribution of bristles, at the roots 3 of bristle tufts of a strip brush for brush packing, the overlong bristles are gripped between rings 8 and joined thereto. The bristles are then cut across at 10, to form an evenly distributed array of bristles projecting from rings 8. Wire bristles 6 may be joined to metal rings 8 by welding with an electron beam 11. Alternatively the bristles may be joined by brazing on diffusion bonding. The brush packing may be used in a gas turbine engine.
Patent GB-1381759-A (GB)
Title: Switch actuator mechanism
IPC: H01H23/02
Filed: 1972-11-27
Abstract: 1381759 Indicators HEINEMANN ELECTRIC CO 27 Nov 1972 [21 Jan 1971] 54623/72 Heading H1N A rocker 11, Fig. 1, for actuating a circuit breaker 12 has a cavity 42 for an indicator lamp 41 and carries a pair of contacts 45, 46 connected to the lamp 41 and engageable with a pair of fixed contacts 48, 49, connected to a source of electric potential. The rocker 11 is pivoted by a pin 35 between a pair of flanges 33 of a bracket 23 attached to the circuit breaker housing 40 as by integral lugs 24, 25, and rivets 27. The bracket 23 also has flanges 21, 28 with bent over threaded lugs 29 by which the assembly is mounted on a panel 50. Each of the lamp contacts 45, 46 is crimped to a lamp wire 58 and comprises a bent up end 59 for sliding engagement with the fixed contacts 48, 49 and is located in apertures in the rocker 41 by integral lugs 55 after insertion of the contacts through apertures in a bottom wall 18 of the rocker 41. The fixed contacts 48, 49 comprise spring strips extending from integral terminal lugs 72 attached by screws to an insulating block 74.
Patent GB-1217846-A (GB)
Title: Process for separating phosphatides
Inventor: ANEJA RAJINDRA
IPC: C07F9/10
Filed: 1967-12-01
Abstract: 1,217,846. Separating phosphatides. UNILEVER Ltd. 28 Nov., 1968 [1 Dec., 1967], No. 54905/67. Heading C2C. A process for separating an N-acylphosphat. ide from a phosphatide without an acylatable amino group comprises making a mixture of them basic with a nitrogen base to produce a pH of at least 8À5 under aqueous conditions, and solvent-fractionating with acetone or methyl acetate. The phosphatide mixture generally contains lecithin and cephalin and the N-acyl groups are formed by acylation of the starting mixture, preferably with a fatty acid anhydride in the presence of an amine catalyst. Suitable nitrogen bases are those having a pk a  of at least 9, and the solvent extraction is preferably carried out at room temperature.
Patent GB-1319309-A (GB)
Title: Printing employing materials with variable volume
IPC: B41C1/05
Filed: 1970-11-19
Abstract: 1319309 Printers ENERGY CONVERSION DEVICES Inc 19 Nov 1970 [16 Jan 1970] 55067/70 Heading G4H [Also in Divisions B6 and H4] A printer includes a drum coated with a glossy material which is switched between an amorphous (i.e. disordered) state and a crystalline (i.e. ordered) state by the application of a laser beam or electron beam, the coating occupying less volume in the crystalline state than in the amorphous state. In one mode of operation the coating is selectively switched from an amorphous condition into a crystalline condition at discrete locations by writing thereon with a scanning laser beam, the resulting depressions at the crystalline areas being filled with ink which is transferred to a document, e.g. a paper sheet. In a second mode of operation the laser beam is arranged to selectively switch discrete area from a crystalline to an amorphous state thereby raising the surface of the coating. A pressure sensitive paper is then rolled against the coating, an image being formed thereon corresponding to the pattern of peaks on the coating. Alternatively the peaks may be inked. A plurality of copies may be produced before the depressions of the first mode or the peaks of the second mode are erased by reapplication of the laser at a different energy level, or by flooding the drum with a quartz heat lamp. In each of these first two modes a plurality of laser scanning systems may be operated simultaneously to "write" information on the coated drum, alternatively by employing a large source of electromagnetic radiation an entire image may be formed by illuminating the glossy material through a transparency of the image or by reflecting the energy from a surface containing the image. By varying the energy content in the laser or electron beam, depressions or raised discontinuities of varying height, depth and breadth may be produced resulting in varying shades of gray on the printed document. Instead of being in the form of a drum, the printing plate may comprise a flat plate or flexible belt.
Patent GB-1314284-A (GB)
Title: Filter beds
IPC: D01D1/10
Filed: 1971-11-30
Abstract: 1314284 Filter for molten polymer E I DU PONT DE NEMOURS & CO 30 Nov 1971 [30 Nov 1970 9 Nov 1971] 55550/71 Heading BID [Also in Division B5] A filter bed is composed of irregularly shaped particles having the following properties: (i) a composite shape factor no greater than 0.58, preferably 0.26-0.58; and (ii) a Reactivity Number not exceeding 2.0 mm. The porosity of the filter bed is not less than 42% over a range of 4,000 to 10,000 psig. The filtration shear medium has a Deformable Break Up Number of about 1.1. All the units are defined. The particles are preferably composed of metal alloys and produced by shatter-casting. Exemplified compositions of the particles are, by weight: (i) 3% Ni, 2% Si, 2%Mn, 3% Fe, 1.5% Mo, 3.5% W, 0.9 to 1.4% C, 28-32% Cr and the remainder Co, (ii) Ni alloyed with 3% Al and (iii) Ni alloyed with 20% Cr.