baber/WOPTO huggingface dataset:
Patent GB-884714-A (GB)
Title: Water-soluble dyestuffs of the phthalocyanine series
IPC: C09B62/483
Filed: 1959-07-29
Abstract: The invention comprises water-soluble dyestuffs of the formula <FORM:0884714/IV (c)/1> where Phth is the residue of a metal-free or metal phthalocyanine which may contain watersolubilising groups such as carboxylic or sulphonic acid groups and other monovalent substituents such as chlorine atoms, or methyl, methoxy or phenyl radicals, X is hydrogen, alkyl, aralkyl, cycloalkyl or aryl, R is the residue of a diamino compound of the aliphatic, aromatic or heterocyclic series which may be further substituted and may also contain sulphonic or carboxylic acid groups, Y is the acyl residue of a halofatty acid, including a halo unsaturated fatty acid, and n is a whole number from 1 to 4, the said dyestuffs containing at least two watersolubilising groups.  The dyestuffs are made by reacting an intermediate of the phthalocyanine series containing 1 to 4 sulphohalide groups with an amino compound of the formula <FORM:0884714/IV (c)/2> or with one amino group of a diamine of the formula <FORM:0884714/IV (c)/3> followed in the latter case by reaction of the product with a halo-fatty acid halide or anhydride, the components used being so selected that the dyestuff obtained contains at least two water-solubilizing groups.  Any sulphohalide groups which have not reacted can be converted into sulphonic acid groups by hydrolysis. The dyestuffs colour wool, silk and polyamide fibres in blue shade and dye or print textile fibres of natural or regenerated cellulose in conjunction with a treatment with an acid-binding agent and steam.
Patent GB-1294134-A (GB)
Title: Self-locking pile joint
Inventor: THORBURN SAMUEL
IPC: E02D5/52
Filed: 1969-02-04
Abstract: 1294134 Composite pile LONDON MIDLAND & SCOTTISH CONTRACTORS Ltd 2 Feb 1970 [4 Feb 1969 22 May 1969] 6059/69 and 26064/69 Heading F2G A composite pile comprises two precast prestressed concrete piles 10, 11 joined by a bifurcated spigot 13 cast in one pile engaging a socket in the other pile. The socket is formed by a tube 2 embedded into the second pile and widened at the lower end, a wedge 17 being placed on an end closure 16 and serving to splay the ends of the spigot as the piles 10, 11 are brought together. Jointing material 12 (e.g. bituminously impregnated asbestos) is located between the piles 10, 11. The bifurcation in the spigot 13 may be a single axially extending diametral saw cut. Alternatively two diametral saw cuts at right-angles are used (Figs. 2 and 3 not shown), the ends of the cuts terminating in diametral holes to reduce the possibility of splitting the spigot when wedged apart. A metal plate 15 may back-up the spigot 13 or alternatively the surface of the spigot may be roughened to key with the concrete. The wedge may be installed on the closure plate 16 prior to making the joint, or may be loosely engaged in the bifurcation of spigot 13. The spigot may be hollow and need not be circular, and more than one spigot and socket may interconnect the piles 10, 11. A suitable material for the spigot, socket tube and closure is mild steel.
Patent GB-711981-A (GB)
Title: Improvements in ambulances
Inventor: LOMAS AUBREY
IPC: A61G3/00
Filed: 1951-11-08
Abstract: 711,981. Folding seats. LOMAS, Ltd., H. Nov. 6, 1952 [Nov. 8, 1951], No. 26128/51. Class 52(2) [Also in Group XXXII] Seats in an ambulance are provided with channel bars C which may support a stretcher D when the seat backs B are pivoted about points a<SP>2</SP> to lie horizontally as shown in dotted lines in Fig. 2. In normal seating position, clips b<SP>4</SP> retain pivoted U-shaped legs b<SP>3</SP> close to the seat backs, which backs are held by pivoted stays b. but in the collapsed position the backs are horizontally supported by the legs, with arm rests B<SP>1</SP> pivoted to lie parallel to the backs.
Patent GB-1172095-A (GB)
Title: Improvement in the Forging of Bearing Races
IPC: F16C33/64
Filed: 1966-10-20
Abstract: 1,172,095. Forging; working at specific temperatures; making bearings. FEDERAL MOGUL CORP. 20 Oct., 1966 [23 Oct., 1965], No. 26304/69. Divided out of 1,172,093. Headings B3A, B3H and B3V. The description is identical to that of Specification 1,172,093, but the claims relate to a method of making a pair of bearing races.
Patent GB-1294685-A (GB)
Title: Link mats
Inventor: STOKOE JAMES ORD
IPC: A47G27/02
Filed: 1969-05-23
Abstract: 1294685 Link mats THOMAS WHITTLE & SONS Ltd 26 May 1970 [23 May 1969] 26327/69 Heading A4S In a link mat injection moulded plastics links 10, consisting of a web 11 with integral, spaced protrusions 12, 13 are arranged in spaced staggered rows 21, 22, 23, and connected together by plastics coated stranded metal wires 27, 28, 29 which pass through locating apertures 14, 15 at the ends of the links and are soldered to nipples 32 in apertures in stiffening members 30, 31. The locating apertures in the links and in cylindrical spacing washers 26 have conical or bell-shaped counter-sinks 18, 19 to aid threading through of the wires, e.g. when the mat is produced in a jig in which the links and washers are assembled at the required relative spacing. In modifications the links are of rubber, the wires are replaced by rods, or the protrusions are shaped as cubes, cylinders on truncated cones or are provided on only one surface of each link.
Patent GB-827144-A (GB)
Title: Improvements in or relating to pedals for bicycles or the like vehicles
IPC: B62M3/08
Filed: 1958-08-16
Abstract: 827,144. Cycle pedals. BOUVY, J. J. B. J. Aug. 16, 1958, No. 26397/58. Class 136(2) In a cycle pedal in which a foot support of rubber or like material is clamped between a longitudinal side 3 of a pedal frame and a cylindrical surface of a pedal sleeve 2, the foot support 7 is so designed that it is supported at one side by means of a projecting edge against the longitudinal edge of the pedal frame, whilst at its other side it wholly or partly embraces the pedal sleeve. The foot support 7 may be so designed that it only abuts the sleeve at each end thereof, a free space thus being formed between the foot support 7 and the pedal sleeve 2.
Patent GB-1293644-A (GB)
Title: Improvements in or relating to carton blanks
Inventor: NAYLOR RICHARD WILLIAM
IPC: B65D5/06
Filed: 1970-06-02
Abstract: 1293644 Cartons BARFORD JOINERY MILLS Ltd 5 May 1971 [2 June 1970] 26504/70 Heading B8P A carton for holding tetrahedron-shaped packages is formed by folding a blank, and has a hexagonal horizontal cross-section, a base with the upper surface in the form of a truncated right regular hexagonal pyramid, an opening 14 in the base for a locating pin of a filling machine, and reinforcing ribs 13 extending from the corners of the base to the opening. The opening 14 may be hexagonal or circular. The cartons may slightly taper to facilitate stacking.
Patent GB-994414-A (GB)
Title: Production of benzoic acid
IPC: C07C51/265
Filed: 1961-07-21
Abstract: The invention comprises a continuous process for the production of benzoic acid by the catalytic, liquid-phase oxidation of a monoalkylbenzene with molecular oxygen in the presence of benzoic acid carried out in an adiabatic oxidation zone wherein a liquid phase consisting of a solution of the monoalkylbenzene and benzoic acid containing a heavy metal oxidation catalyst is maintained, which process includes the steps of continuously adding the monoalkylbenzene and benzoic acid to the oxidation zone to produce a liquid reaction mixture containing benzoic acid and the monoalkylbenzene in a weight ratio of 0.2: 1 to 2.5: 1, withdrawing liquid reaction mixture from the oxidation zone circulating the withdrawn reaction mixture in indirect heat exchange with a coolant to a temperature not below the initiation oxidation temperature, recycling the cooled liquid to the oxidation zone, removing from the circulating liquid a minor proportion thereof, crystallizing benzoic acid from the minor portion of the withdrawn reaction mixture, and recovering benzoic acid from the resulting slurry.  The minor portion may be removed from the circulating liquid before or after removal of heat of reaction. The treatment of the minor portion of the withdrawn reaction mixture for the crystallization of benzoic acid depends on the benzoic acid concentration.  Dilute streams are concentrated by evaporation of monoalkylbenzene to provide a concentrate containing 40% to 60% benzoic acid from which benzoic acid is crystallized. Reactor effluents containing high concentrations of benzoic acid, e.g. above 50% by weight, are charged to a contacting-crystallizing zone which is charged with aqueous benzoic acid, and which is adapted to receive the gasiform products of the oxidation reaction as well as the liquid effluent therefrom.  The contacting-crystallizing zone is provided with means to separate unconverted monoalkylbenzene as a liquid phase which is recycled to the oxidation zone.  The benzoic acid slurry resulting from either of these alternatives is separated into solid product and mother liquor.  Mother liquor, toluene with dissolved benzoic acid, is recycled to the oxidation zone. Specifications 810,020 and 835,753 are referred to.
Patent GB-1393381-A (GB)
Title: Interdiffusionally bonded structures of polyimide polymeric material
IPC: C08J7/052
Filed: 1972-06-07
Abstract: 1393381 Abrasive products E I DU PONT DE NEMOURS & CO 7 June 1972 [8 June 1971] 26580/72 Heading C4V [Also in Division B2] A unitary laminar film structure has at least two layers of polyimide polymeric material, at least one of the layers being a polyimide material having repeating structural unit of formula the adjacent polyimide layers being interdiffusionally bonded so that the polymer chains are interdiffused at an interface having a thickness of at least 25 Angstroms. In the above formula R is a tetravalent aromatic organic radical, which may be substituted having the following formulµ where R<SP>2</SP> is an alkylene group containing 1-3 carbon atoms, oxygen, sulphur or a radical of the formula where R<SP>3</SP> and R<SP>4</SP> are alkyl or aryl, optionally substituted, and each X is F or Cl the group R being derived from a dianhydride of the formula where R has the above meaning and where R<SP>1</SP> is a divalent aromatic radical. The R<SP>1</SP> group may be phenylene, naphthylene, biphenylene, anthrylene, furylene, benzfurylene and R<SP>2</SP> being as above. The structures may be obtained by applying a polyimide precursor composition which contains, or contains a component derived from a polyimide acid to at least one surface of a polyimide-precursor gel film structure which contains, or contains a component derived from, a polyimide acid, and converting the coated unitary polyimide structure. The "gel film" is defined as a sheet of polymeric material volatile to such an extent that the polymeric material is in a gel-swollen, plasticized, rubbery condition. Numerous suitable polyimide precursors are listed. The polyimide may be heat-sealable, or may contain abrasive substances, e.g. diamond, silica and silicone carbide.
Patent GB-1509208-A (GB)
Title: Three dimensional reinforced structure
IPC: D04H3/07
Filed: 1975-06-24
Abstract: 1509208 Reinforced composite structures SOC EUROPEENNE DE PROPULSION 24 June 1975 [5 July 1974] 26773/75 Heading DIR A matrix is reinforced by four groups of rectilinear elements of polygonal or circular cross-section, each group comprising a set of parallel planar arrays e.g. 5 of elements e.g. 1, consecutive arrays of each group being interspersed with an array e.g. 6 of elements 2, the arrays 6 being in planes parallel to those of arrays 5 whilst elements 2 are at an angle to elements 1; the other two groups of elements 3, 4 are similarly disposed in a second stack of parallel planes inclined to and intersecting the first stack. Preferably each group of elements is parallel to one of the four apices of a regular tetrahedron. The elements occupy 75% of the volume of the composite and the spaces between the elements are interconnected thus facilitating application of the matrix. The elements may be rigid, e.g. of carbon, flexible or a mixture of rigid and flexible elements. The apices of elements of consecutive arrays of the same group are separated by a distance 2d where d is the diameter of the smallest circle which encloses the cross-section of an element.  The assembly may be produced by stacking the alternate arrays of elements 1 and 2 and then inserting the elements 3 and 4. Alternatively two lattices (10, 11, Fig. 4 not shown) each comprising an array of elements 1 and an array of elements 2 can be formed, elements 3 and 4 laid across the two lattices and the remaining elements 1 and 2 inserted. The elements may have a coating of resin or of carbon which is compatible with the matrix. The matrix may be applied by evacuating the voids, injecting resin under pressure, further polymerising the resin and then pyrolysising the resin. As pyrolysis results in a volume reduction the cycle is repeated until the voids are filled. In a second embodiment a low viscosity phenolic or furanyl resin solution is applied, the solvent evaporated to leave a thin film which is further polymerised and pyrolysed and the cycle repeated. In a third embodiment the carbon matrix is obtained by pyrolysis of a hydrocarbon gas. The composite may be deformed before the matrix sets in order to undulate the elements and thus mechanically secure them in place.
Patent GB-664130-A (GB)
Title: Improvements in and relating to apparatus for flame cutting profiled metal articles
Inventor: SHARROCK JAMES DOUGLAS NORMAN
IPC: B23K7/10
Filed: 1949-10-19
Abstract: 664,130. Cutting by fusion. BRITISH OXYGEN CO., Ltd. April 14, 1950 [Oct. 19, 1949], No. 26825/49. Class 83 (iv). For use with a flame-cutting apparatus having a support for a nozzle and a driven magnetic tracing roller spindle on the support coaxial with the nozzle, an element rotatable about a fixed axis, a coupling member rotatable with the element and rotatable relative to the element about an axis parallel to and adjustable radially with respect to the fixed axis, to be driven by the tracing roller drive and means driven by the coupling member to rotate the element and nozzle about the fixed axis. In an apparatus comprising a folding gate arm support for the nozzle, a driven magnetic tracing roller spindle 13 on the support and a further support arm 10 above the gate arm, a plate 18 is secured to the arm 10 and supports a fixed housing 19, 20 which carries in bearings 21 a vertical spindle 22 on which is mounted a plate 32 to which is attached a plate 24. One end of each plate overhangs the adjacent end of the other and in the overhanging end of plate 23 is mounted a bearing 25 to support a spindle 26 carrying fixed pulleys 27, 28. In the overhanging end of plate 24 is slidably secured a spindle 30 carrying a free pulley 31 and slidable under the force of a spring 32. A clamp 33 is adjustably mounted on the underside of plate 24 and carries a roller 35, which in one position of the clamp 33 is coaxial with the spindle 22, and two free rollers 36 displaced from the axis of roller 35. A ring 38 is fixedly secured to the housing 19, 20 by a nut 39 having an arm 40. A belt 37 envelopes the pulley 28, pulley 31 and rollers 35, 36 while a belt 42 encircles the ring 38 and pulley 27 and is in contact with two rollers 41 mounted on the plate 23. In operation the clamp 33 is secured on the plate 24 so that the distance between the axes of the members 35, 22 is equal to the radius of the circle to be cut. The nut 39 is slackened to release the ring 38 so that the members 22, 23, 24 may be moved until the roller 35 engages with the spindle 13. The nut 39 is tightened and the spindle 13 is set rotating. This causes the pulley 28 to be rotated and hence the pulley 27 which effects the rotation of members 22, 23, 24 and so the rotation of the member 35 and nozzle about the axis of the member 22. In a modification the rotation of members 22, 23, 24 is effected by a pinion on the upper end of spindle 26 which may engage with a selected one of three gears which in turn engage the teeth of a ring 38. Different speed ratios between the spindle 13 and rotation of nozzle are thus possible. Adjustable stops 43, 44 are provided to allow "runs-in" and " runs-out."
Patent GB-518990-A (GB)
Title: Improvements in single stage electron multipliers
IPC: H01J43/16
Filed: 1938-09-14
Abstract: 518,990. Electron multipliers. GENERAL ELECTRIC CO., Ltd., and ALDOUS, W. H. Sept. 14, 1938, No. 26828. [Class 39 (i)] A single stage electron multiplier consists of a photo electric cathode 2 on the envelope wall, a central secondary emitting electrode 4 surrounded by an output anode in the form of a helix 5, outside which is a second negatively biassed helix 6 to direct the primary photo electrons away from the anode to the electrode 4. According to the Provisional Specification the anode and directing electrodes may be slotted plates or the latter may be a pair of rods.
Patent GB-1386328-A (GB)
Title: Apparatus for entering data into a data processing system
IPC: H03M7/00
Filed: 1972-06-08
Abstract: 1386328 Selective signalling COMPAGNIE HONEYWELL BULL 8 June 1972 [9 June 1971] 26872/72 Heading G4H Apparatus for entering data into a data processing system includes a data generator delivering selectively and simultaneously q binary pulses on q of N input leads of an encoding stage which feeds the data processing system via a validation circuit and a resettable store, the encoding stage consisting of a code converter with N input leads p output leads from which feed a coding circuit having k output leads, such that q < p < N and k < p. As disclosed, q is 2, the data generator being a keyboard with N/2 keys, actuation of any one of which energizes a respective pair of the inputs to the code converter which is replaceable and has a matrix of row and column lines with metallized holes at selected crossovers. Two of the p leads to the coding circuit are energized. The coding circuit uses NANDs so that each of its k output leads carries the OR of a plurality of two-term ANDs of the coding circuit inputs.
Patent GB-406229-A (GB)
Title: Improved trailer for motor vehicles
IPC: B62D63/06
Filed: 1933-09-29
Abstract: 406,229. Trailer vehicles; wheel arrangements. GARRONE, C., 46, Via Maria Vittoria, and COLLI, C., 15, Via Beaulard, both in Turin, Italy. Sept. 29, 1933, No. 26880. Convention date, Sept. 30, 1932. [Classes 108 (i) and 108 (ii).] In trailers intended to be attached to motor vehicles and provided with one or more carrying wheels, the wheel-carrying fork is pivoted in a socket connected to the trailer by means of an arm or frame which has its other end pivoted to the trailer and which co-operates with spring members. The platform 1 is hingedly connected to the longitudinal members 3 of the car by horizontal pivots which permit oscillation in the vertical direction only of the trailer. One or more wheels 4 are mounted below the platform, each mounting comprising a fork 6 with a vertical pivot 7 supported in a socket 9 connected to the platform by hinged stays or levers 10 and a coiled spring 12. An extension 1<1> of the platform 1 is hinged as shown at 14.
Patent GB-746583-A (GB)
Title: Improved hydraulic device for regulating the length of transmission rods
IPC: B61H15/00
Filed: 1954-09-16
Abstract: 746,583. Brake transmission gear. ROUMENS, J., and FLOURY, R. Sept. 16, 1954 [Sept. 16, 1953], No. 26894/54. Class 103 (1). A hydraulic arrangement for regulating the length of a force transmitting rod line in a brake system comprises a cylinder 1 divided by a piston 2 into high and low pressure chambers HP and BP respectively, these chambers being connected by lines 9 and 8 to a control cylinder 6 having a piston-rod connected at 14 to one end of a bell-crank lever 16, the other end of which is moved accordingly as the brake rods are at, over, or under the correct length. If the distance between the two parts A and B is too short, the pin 20 will be displaced through a distance less than the length of the slot 19 before the brake shoes contact the wheels, and liquid will be displaced by the chamber HP past valve 3 and through pipe 29 to the low pressure side of the piston 2, thus lengthening the rod. When the distance AB is too great the pin 20 will move the whole length of slot 19 and cause a downward movement of piston 7 so that liquid will be sucked into the cylinder 6 from the chamber BP past valve 26 and through pipes 25 and 9. When the brakes are released the spring 30 in cylinder 6 will force this liquid back through line 9 and through space 11 and past valve 12 to the high-pressure side HP, thus shortening the rod. Specification 628,106 is referred to.
Patent GB-698496-A (GB)
Title: Mechanisms for transmitting rotary motion at an infinitely variable ratio
IPC: F16H15/14
Filed: 1950-11-03
Abstract: 698,496. Variable-speed gear. FROST, E. Nov. 3, 1950, No. 26949150. Class 80 (ii). Variable-speed friction gearing of the kind comprising a driving disc, a driven disc spaced therefrom, and an idler disc frictionally contacting the driving and driven discs, the velocity ratio being varied by altering the position of the idler disc relatively to the others, is characterized by the idler disc being mounted for rocking about a predetermined centre and having a contact face of domed form, the driving and driven discs making point contact with this domed face in such a way that the points of contact so made are always on a straight line passing through the said predetermined centre, regardless of the velocity ratio to which the gear is adjusted. In one form, driving and driven discs 29, 30 are engaged by idler discs 33, 34 on an idler shaft 24. The contour of the convex working faces of the idler discs is determined from a geometrical construction, Fig. 4 (not shown), and is of variable curvature, each idler disc being mounted for universal motion about the idler shaft in part-spherical sleeves 41, 44 so as to be rockable about a point on the shaft. The idler shaft 24 is laterally movable between the 'driving and driven discs by means of a carrier 27, Fig. 5, to which links 51, 52 are pivotally connected, the link 51 being fast with an actuating arm 55 operated by a screw 58 which moves the idler discs 33, 34 in such a way that the line of effort, joining the points of contact of each idler disc with the driving and driven discs, always passes through the pivotal point of that idler disc. The driving and driven discs are formed with substantially ball-shaped peripheral edges 31, 32. In one modification, each of a plurality of driving discs and of driven discs is engaged by a pair of idler discs, these idler discs being mounted for universal motion about the idler shaft on, instead of in, part-spherical sleeves on the idler shaft. The universal movement of the idler discs may alternatively be produced by spring or resilient rubber mountings, trunnions, or the like. In a further modification having the form of an epicyclic gear, a plurality of idler discs is mounted. upon each of four idler shafts, spaced radially and equiangularly around a central driving shaft mounted for rotation in a fixed idler shaft carrier. The central driving shaft carries a number of driving discs engaging with the idler discs, which also engage with driven discs in the form of the inner peripheral edges of rings splined to the inside of a surrounding driven drum concentric with the driving. shaft and rotatably mounted upon the fixed idler shaft carrier. The idler shafts are moved towards or away from the driving shaft, to change the gear ratio, by a system of links.