baber/WOPTO huggingface dataset:
Patent GB-1528902-A (GB)
Title: Recording tape transport machine
IPC: G11B25/06
Filed: 1974-10-01
Abstract: 1528902 Mounting heads; cassette tape decks RACAL ZONAL CASSETTES Ltd 30 Sept 1975 [1 Oct 1974] 42549/74 Heading G5R A cassette-type magnetic tape recorder/ player has an elongate one-piece plastics member with a first, second 22 and third 25 extension, Fig. 5, joined by respective integral resilient hinge portions 21, 22b, 27 to a main part 29 of the member, with extensions 22 and 25 respectively carrying a pinch roller 24 and a magnetic head 28, and the first extension having an aperture 20 which is a snap-fit on a post 12, Fig. 1, upstanding from and integral with a one-piece plastics deck plate 11 so that the hinge 21 has a pivot axis perpendicular to the plate 11 to allow the parts 22, 25, 29, the pinch roller 24 and head 28 to swing together in an arc across the plate 11 towards and away from a cassette 100 received on the plate 11. A metal spring 15 biases the movable assembly towards the cassette 100. An axle of the pinch roller 24 is a snap-fit in part 22 which can be adjusted relative to part 29 by a bolt 22c. A second bolt 31 allows azimuthal adjustment of the head 28 which is a press-fit in the part 25. The deck 11 carries a motor 10b driving a capstan (not shown) extending through an opening 10a. A "mini" cassette 100, which may be of the type disclosed in cognated Specifications 1,529,903, is received in channels (5), Figs. 3, 4 (not shown), of a one-piece plastics lid of the machine pivoted at 13, 13 to deck 11. The upper surface of the cassette may be bevelled at opposite edges so that, with correspondingly shaped channels (5), it can only be inserted one way up. Resilient tongues 14 of deck 11 bias the cassette carrier/lid to an open position for cassette loading/unloading. In use, a manually engageable finger 35 allows pivoting of the head 28, roller 24 and their support about hinge 21 to a retracted position maintained by a catch 12a on deck 11 engaging a tooth 33 on the support, the cassette is then loaded and the carrier/lid pivoted to an operative closed position, maintained by a catch (3), Fig. 4, on the carrier/lid engaging a recess (34), Fig. 6 (not shown), of said support, whereafter the finger 35 is used to move the head 28 and roller 24 to the operative position thereby closing a switch to energize head 28 and motor 10b. Manual retraction of the head/roller/support assembly releases the carrier/lid catch (3), (34). An alternative form of cassette carrier/lid, Fig. 7 (not shown), slides between its open and closed positions in a direction perpendicular to its own plane instead of pivoting.
Patent GB-961390-A (GB)
Title: A process for racemisation of optically active ª-amino acid
Filed: 1962-11-12
Abstract: Optically active aspartic acid, homocysteric acid, lysine, proline, arginine or neutral alphaamino acids, such as histidine, alamine, leucine, valine, phenyl-alamine, tyrosine, tryptophan and methionine, are racemized by heating aqueous solutions of said acids or their salts or hydrates to temperatures between 150 and 250 DEG C. in the absence of an alkali or a strong acid. Alternatively, the aspartic acid or the lysine may be racemized in the presence of an equimolar amount of another acid (e.g. a mineral acid), while the proline or homocysteric acid may be racemized in the presence of an equimolar amount of alkali.
Patent GB-1284892-A (GB)
Title: Improvements in the induction pipe systems of internal combustion engines
IPC: F02B27/00
Filed: 1969-08-28
Abstract: 1284892 I C engine inlet manifolds BAYERISCHE MOTOREN WERKE A G 28 Aug 1969 [2 Sept 1968] 42964/69 Heading F1B An induction pipe system for I.C. engines having at least one line of cylinders comprises an induction manifold 7 to which are connected branch pipes 6 in the form of separate components for connecting the manifold to the individual cylinders, each branch pipe having a 180 degree bend and being removably attached, at its respective ends only, to the manifold and to a cylinder inlet. The branch pipes 6, which are of a hard, elastic, plastics material, are connected to the manifold 7 and to inlet stub pipes 3 for the cylinders by means of pipe clips 9<SP>1</SP>, sealing rings 9 being provided. The branch pipes 6 are also laterally twisted transversely to their 180 degree bend, the two inner branch pipes being outwardly twisted to provide room for the entry pipe 10 of the manifold 7 while the two outer pipes are inwardly twisted. The length of the parallel ends 6<SP>1</SP> is such that the branch pipes 6 are attained to the pulsation conditions in the induction system.
Patent GB-1076938-A (GB)
Title: Harmonics filter
IPC: H02M1/12
Filed: 1964-10-22
Abstract: 1,076,938. Resistors; inductors. ALLMANNA SVENSKA ELEKTRISKA A.B. Oct. 22, 1964 [Oct. 24, 1963], No. 43056/64. Headings H1S and H1T. [Also in Divisions F4 and H2] A harmonics filter in a H.V.D.C.P.T. system for preventing harmonics generated in the converters from being passed to the A.C. network comprises a series capacitance-inductanceresistance combination for each phase of the three phase supply, in which the three inductors and their series-connected resistors are mounted in a single structure, the inductors 4, 5 and 6 (not shown) being disposed in star arrangement at the top of a support chamber containing the three resistors which are formed as concentric cylinders. As shown each inductor coil 9 is mounted within an insulating housing on an insulating cylinder 7 and retained by glass fibre rods 10 and end members 13, 14. The winding ends are taken to terminals 11, 12 the latter being connected to a terminal 15 of the respective resistor. The three resistors are wirewound helices and being of different radii have differing heights to provide equal resistance values; they are connected at the bottom to a common terminal 19. Cooling oil is circulated by a pump 20 through oil coolers 21, which are air-cooled by fans driven by motors 22 or alternatively water-cooled. The oil passes up through the resistors, along the centre and back along the outside of each inducter in turn, and returns down the channel 17. A gas expansion chamber 25 is provided on which is mounted an oil level indicator and gas-operated relay.
Patent GB-904544-A (GB)
Title: Production of sodium
IPC: C25C3/02
Filed: 1960-12-15
Abstract: High purity sodium is produced by electrolysis (see Group XXXVI) of a bicomponent fused salt mixture comprising 20-35% sodium chloride and 80-65% strontium chloride at a temperature of 565-590 DEG  C.
Patent GB-1089026-A (GB)
Title: Improvements relating to arrangements for controlling servomotors in motor vehicles
IPC: E05F15/695
Filed: 1965-10-12
Abstract: 1,089,026. Arrangement of switches. DAIMLER-BENZ A.G. Oct. 12, 1965 [Oct. 27, 1964], No. 43218/65. Heading B7H. [Also in Division E2] In motor vehicles having windows, seats, sliding roofs, and ventilating flaps adjustable by servomotors powered by the vehicle battery provision is made to enable the servomotors to operate when the ignition circuit has been switched off. The servomotors may be electric and act directly on the windows &c. or may drive a pump so that the windows &c. are operated hydraulically. In one form a thermoswitch is provided in parallel with the ignition switch enabling the servomotor to be operated for some time after switching off the ignition and until the engine temperature drops to a predetermined value. In another form, one of the door locks is wired into the circuit of a relay controlling the servomotor so that the servomotor can be operated after switching off the ignition until the door is finally locked. In other forms holding contacts are provided and separate coils may be provided to effect opening and closing, the switches can be associated with two of the door locks. These safeguards prevent the supply of current to the servomotor over long periods when the car is parked.
Patent GB-1139819-A (GB)
Title: Improvements in or relating to a-norsteroid oxetanes and their production
IPC: C07D305/14
Filed: 1966-09-28
Abstract: 1,139,819. Steroids. SHIONOGI & CO. Ltd. 28 Sept., 1966 [29 Sept.. 1965], No. 43361/66. Heading C2C. Novel A-norsteroid oxetane compounds of the partial formula wherein R is a hydrogen atom or methyl group and the configurations at C 1 , C 2  and C 5  are the same are obtained by treating with a base a corresponding A-norsteroid compound of the partial formula wherein R<SP>1</SP> is a hydrogen atom or acyl group and X is a sulphonyloxy group containing up to eight carbon atoms or a halogen atom, e.g. a lower alkane sulphonyloxy group, lower aralkane sulphonyloxy group, lower alkyl-, halogen- or nitro-substituted or unsubstituted benzensulphonyloxy group or a halogen atom selected from chlorine, bromine or iodine. As base there may be used an alkali hydroxide, an alkali metal carbonate, an alkali bicarbonate, an alkaline earth metal hydroxide, alumina, an organic quaternary hydroxide and ammonium quaternary hydroxide and as organic solvent an alkanol, a ketone, tetrahydrofuran, dioxane or a mixture thereof may be employed.
Patent GB-1386979-A (GB)
Title: Multiplex telecommunications systems
IPC: H04J3/06
Filed: 1972-09-20
Abstract: 1386979 Multiplex pulse signalling SIEMENS AG 20 Sept 1972 [24 Sept 1971] 43443/72 Heading H4L In a telecommunications system in which information and corresponding synchronizing signals are transmitted between two multiplex devices, the information signals being transmitted in channels via a multiplex telecommunication line, an additional line which is already being used for signal transmission between the multiplex devices has at least one frequency range which is utilized for the transmission of the sychronizing signals. As described, two P.C.M. t.d.m. exchanges are connected together via a line carrying t.d.m. information signals. The synchronizing circuits of each exchange are connected via respective filters to a further line, the filters allowing other signals on the line to pass along the line and enabling an unused part of the available frequency range to be utilized.
Patent GB-1171033-A (GB)
Title: Optical Scanner.
Inventor: SANVILLE WALTER WOODWARD
IPC: B61L25/04
Filed: 1967-09-25
Abstract: 1,171,033. Endless conveyers. WESTING-HOUSE AIR BRAKE CO. 25 Sept., 1967 [18 Oct., 1966], No. 43478/67. Heading B8A. [Also in Division B7] Identification label 2 on a passing railway vehicle 1 is scanned upwardly by coherent light directed from laser 12 via mirror 15, aperture 16a in mirror 16 and the scanning mirror assembly 17 rotated by motor 20, the light reflected from the label is directed to photo-cell 22 via the scanning assembly 17, mirror 16 and condenser lens 18. The label is formed of alternate non-reflecting and retro-reflecting stripes, wide stripes representing binary " 1 " and narrow stripes binary " 0 ", and the stripes are assembled to represent the vehicle number in a 5-unit Baudot code preceded by a five unit start code. The photo-cell signals are shaped in unit 23, processed in unit 24 and stored in unit 25 for transmission to a central office. The arrangement may be used in a conveyer system for moving, e.g. a container carrying an identification label from a conveyer belt. Reference has been directed by the Comptroller to Specification 1,057,870.
Patent GB-1032156-A (GB)
Title: A corrosion inhibiting lubricant additive
IPC: C10M169/00
Filed: 1964-10-28
Abstract: Lubricant compositions contain as corrosion inhibitors an alkali metal nitrite and a N-carboxymethyl - alkenyl - succinamic acid. The alkenyl group of the acid may contain 8-35 carbon atoms, e.g. tetrapropenyl.  The lubricants may be a calcium/lead-acetate complex grease.
Patent GB-1434375-A (GB)
Title: Apparatus for dispensing fluids
IPC: B67D7/54
Filed: 1973-08-10
Abstract: 1434375 Dispensing liquids FMC CORP 10 Aug 1973 [22 Aug 1972] 44043/75 Divided out of 1434374 Heading A4T [Also in Division B8]  The apparatus disclosed in this application is also disclosed in Specification 1434374, but the claims relate more particularly to a fluid dispensing head assembly.
Patent GB-1401334-A (GB)
Title: Twin motor drive system
IPC: H02P5/74
Filed: 1972-09-26
Abstract: 1401334 Automatic control of power WESTINGHOUSE ELECTRIC CORP 26 Sept 1972 [1 Nov 1971] 44328/72 Heading G3R [Also in Division H2] Two synchronous motors 2, 3, drive a common load (1) e.g. a grinding mill, both armatures being supplied with alternating current and the field windings 14 being connected to a D.C. supply through controllers 16 which are responsive to the difference between the power inputs to the two motors and vary both field excitations to reduce the difference to zero and equalize the torques. The two motors 2, 3, drive the mill (1) through reduction gearing (4, 5, 6) and (7, 8, 9), the gears (6, 9) driving opposite sides of the main drive gear (10). Signals proportional to the power taken by each motor are provided by sensing devices 17 and compared in circuit 18, the  difference signal produced being used to adjust the energization of both fields 14 by means of the controllers 16, which may be motor-operated rheostats or solid state devices.
Patent GB-948294-A (GB)
Title: Photographic developers
Inventor: ALLETAG GERALD CONNOLLY
Filed: 1961-12-12
Abstract: 948,294. Photographic developers. PHILIP A. HUNT CO. Dec. 12, 1961, No. 44495/61. Heading G2C. A photographic developer is prepared by mixing a solution of a 3-pyrazolidone in an organic, non-aqueous solvent with an aqueous solution containing the additional ingredients for making the developing bath, the solubility of the 3-pyrazolidone in the organic solvent corresponding to at least 5 grams of 1-phenyl-3-pyrazolidone per 100 ml of solvent at 20-30C. The aqueous solution may comprise an auxiliary developer, a restrainer, a preservative and alkali. Alternatively, the auxiliary developer, such as hydroquinone, may be included in the organic solution. The additional ingredients for the aqueous solution may be supplied in dry form and dissolved in water before mixing with the organic solution of the 3-pyrazolidone. Organic solvents specified are ethylene glycol monomethyl or monoethyl ether, diethylene glycol monomethyl ether, tetrahydrofurfuryl alcohol 1,4-dioxane, 2-chloro-1-ethanol, methanol, dimethyl formamide and methyl sulphoxide. The organic solution may be diluted with water before being mixed with the aqueous solution. Specification 708, 479 is referred to.
Patent GB-1167270-A (GB)
Title: Improved Method and Apparatus for Testing the State of Stress in a Solid especially Soil
IPC: E21B49/00
Filed: 1967-09-29
Abstract: 1,167,270. Measuring stress in solids electrically. LABORATORIO NACIONAL DE ENGENHARIA CIVIL. Sept. 29, 1967 [Sept. 29, 1966], No.44557/67. Heading G1N. Apparatus for determining the stress in e.g. soil or rock, comprises a tapered cylinder of plastic material which has embedded in it a number of resistance strain gauges aligned in different directions to determine the magnitude and direction of the local stress. The cylinder is let into a borehole, secured to the wall by the same plastic material, and subsequently removed by cutting out a much larger core, the change in stress shown by the strain gauges being indicative of the initial stress in the solid.
Patent GB-1456292-A (GB)
Title: Core supports for use in foundry casting
IPC: B22C21/14
Filed: 1974-10-15
Abstract: 1456292 Foundry mould core support LUDWIG FOBUS KG 15 Oct 1974 [10 July 1974] 44640/74 Heading B3F A foundry mould core support which becomes integrated with the cast metal comprises spaced plates 1, 2 joined by one or more struts 5; the plate 2 has an upstanding wall 6, Fig. 3, with an outwardly extending sharpened edge 8 which has indentations 9.
Patent GB-955299-A (GB)
Title: A selector telephone system
IPC: H04Q5/16
Filed: 1961-12-13
Abstract: 955,299. Party line systems. TELEFONAKTIEBOLAGET L. M. ERICSSON. Dec. 13, 1961 [Dec. 17, 1960], No. 44684/61. Heading H4K. In a system provided with a common impulse-sending circuit B, each station has a transistor T of which the base-emitter circuit is bridged across the line in series with a rheostat R and auxiliary windings of the impulse receiving relay IR while the collectoremitter circuit is in series with the main winding of IR and a local battery. The relays R1 . . . R 4  of the circuit B interact in such a way that R1 responds when a call is initiated at any station and is then replaced by R2, an impulse of reverse polarity being sent by R4 to effect a busy marking. When the calling party dials R4 sends further impulses which cause the transistor T at each station to conduct and operate IR which controls a stepping switch. The rheostats R are adjusted so that all the transistors T receive equal currents. The telephone instrument is protected against the impulses by a rectifier V.
Patent GB-1444372-A (GB)
Title: Earthing device for a submarine electric power cable
IPC: H01R4/64
Filed: 1973-07-18
Abstract: 1444372 Making earthing devices INDUSTRIE PIRELLI SpA 18 July 1973 [27 July 1972] 45102/75 Divided out of 1444371 Heading B3A [Also in Division H2] An earthing device for making electrical contact between a metal reinforcing layer 2 which encloses the core of a submarine electric power cable and a metal armouring layer applied over the layer 2 with the interposition of an insulating sheath 4 comprises a first conductive element 6 applied to the layer 2 before application of the sheath 4, the element having a resilient curved portion (8), Fig. 1 (not shown), which embraces the layer 2, and a second conductive element positioned after the application of the sheath to engage the first element through a perforation in the sheath and to make contact with the armouring layer when subsequently applied. The method of applying the device to a submarine electric power cable is described and claimed in Specification 1,444,371.
Patent GB-1237483-A (GB)
Title: MICROBIAL REDUCTION OF Delta<5> STEROIDS
Inventor: EYSSEN HENDRIK
IPC: C07J75/00
Filed: 1969-09-12
Abstract: 1,237,483. Microbial hydrogenation of #<SP>5-</SP> steroids. RECHERCHE ET INDUSTRIE THERAPEUTIQUES. 12 Sept., 1969, No. 45217/69. Heading C2U. 5#,6-Dihydrosteroids which are 3-unsubstituted or are substituted at position 3 by a hydroxy or oxo group are prepared from the correspondong #<SP>5</SP>-steroids by microbial reduction with enzymes of Eubacterium Nova ATCC 21408. A 3-oxo starting material yields a mixture of 3-oxo and 3-hydroxy products which may be separated chromatographically. Specified products are of the androstane, pregnane, cholestane, solanidane, spirostane and azaspirostane series. In the examples, a treatment under reflux with ethanolic KOH is effected subsequently to the microbial treatment.
Patent GB-1181188-A (GB)
Title: A process for the preparation of Mordenite, Catalysts prepared therefrom, and their use
Inventor: KOUWENHOVEN HERMAN WOUTER
IPC: C07C5/22
Filed: 1968-09-27
Abstract: 1,181,188. Isomerization. SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ N.V. 27 Sept., 1968 [29 Sept., 1967], No. 46039/68. Heading C5E. [Also in Division C1] Hydrocarbons may be isomerized in the presence of a catalyst comprising at least one metal or compound of Groups VIA, VII A  or VIII of the Mendeleef Periodic Table deposited on a synthetic mordenite carrier prepared by heating a co-gel of aluminium hydroxide on silica hydrogel in an aqueous alkaline solution under its autogenous pressure, the co-gel having a silica/alumina molar ratio in the range 9À5:1 to 12À5:1 and sodium hydroxide being present in an amount in excess of that calculated from the formula of mordenite by an amount of 7-30 mg Na 2 O per gram of water, the total quantity of water present being at least 50 moles/mole Al 2 O 3 . In Example VI, n-pentane is isomerized in the presence of hydrogen and a Pt/mordenite catalyst.
Patent GB-1286118-A (GB)
Title: Grain lifters for combine harvesters and binders
Inventor: SCHUMACHER GUSTAV
IPC: A01D65/00
Filed: 1969-09-18
Abstract: 1286118 Grain lifters G SCHUMACHER 18 Sept 1969 [18 Sept 1968 (2) 4 Aug 1969 12 Aug 1969] 46163/69 Heading AIF A grain lifter for use with combine harvesters and binders has a lifting arm 18 mounted on a supporting arm 1 slotted at one end and inserted into a grooved nut 5 adapted to be threaded onto a bolt 4 securing the finger 2 of a cutter bar to a harvester bracket 3, the arm having a lockable hook member 6 adapted to extend round the finger and secure the arm under stress thereto. The height of the lifter above the ground may be adjusted by screwing the nut 5 along its bolt 4. Alternatively, two or more nuts, or one nut having several grooves, may be provided. The hook 6 which is secured to the supporting arm 1 may be locked onto the finger by a spring-urged 'U' shaped member (13), Fig. 5 (not shown), or a round headed pin.
Patent GB-1277736-A (GB)
Title: Catalyst support
Inventor: ALLUM KEITH GEORGE
IPC: C08F8/40
Filed: 1968-09-30
Abstract: 1277736 Polymers containing phosphine groups BRITISH PETROLEUM CO Ltd 17 Sept 1969 [30 Sept 1968] 46215/68 Heading C3P Polymers containing phosphine groups are obtained by reacting a halogen-containing polymer in an inert solvent at - 40 to 200 C. with a metal phosphide of the formula (X 1 X 2 P) n R where X 1  and X 2  are M, hydrogen, or C 1 -C 20  alkyl or aryl and R is -R 1 P(M)X 3 , -M, -CH 2 M or -P(M)X 3  where M is a Group Ia metal, Mg, Mn, Ni or Co, and X 3  is hydrogen or C 1 -C 20  alkyl or aryl, and R 1  is a C 1 -C 20  divalent aromatic or aliphatic group, provided that n is 1 except when R is M having a valency of n and when neither X 1  not X 2  is M then R is M or contains M but the molecule does not contain more than two metal atoms. The products form co-ordinate complexes with transition metal compounds. In examples the phosphide is potassium diphenyl phosphide or dipotassium phenyl phosphide, the solvent is tetrahydrofuran and the polymer is chloromethylated polystyrene (non-cross-linked or cross-linked), polychloroprene, poly-(parabromostyrene), brominated polybutadiene or polyvinylchloride.
Patent GB-1089421-A (GB)
Title: Information storage cell of thin ferromagnetic films
IPC: G11C11/15
Filed: 1964-11-13
Abstract: 1,089,421. Magnetic storage devices; magnetic structures. TELEFUNKEN PATENTVERWERTUNGS G.m.b.H. Nov. 13, 1964 [Dec. 13, 1963], No. 46308/64. Headings H1H and H1T. [Also in Division H3] To avoid the formation of separate domain<SP>s</SP> the thin magnetic film of an information storage device or matrix is formed of a large number of very small magnetic film areas. The information written into a particular device is thus stored in e.g. 400 elemental film areas lying under the area of intersection of the read and write lines. The film areas 7, 7<SP>1</SP> (Fig. 4b) may be separated by conductive or non-conductive non-magnetic material 8 and, as shown, more than one layer of film areas may be used. Once the pattern of non-magnetic material has been deposited or etched the film areas 7, 7<SP>1</SP> may be vapour deposited simultaneously. The film areas may be of any shape, e.g. square or elliptical, provided that their greatest dimension is not greater than about half the width of the magnetic domains which would be formed in the film if it were continuous. They may be of about 150 A thickness if the spacing between them is about the same as the length of their edges (Fig.s 3a and 3b, not shown).