baber/WOPTO huggingface dataset:
Patent GB-1445330-A (GB)
Title: Process for forming particles
IPC: B01J2/00
Filed: 1972-08-03
Abstract: 1445330 Mills; comminuting fertilizers FISONS Ltd 26 July 1973 [3 Aug 1972] 36210/ 72 Heading B2A {Also in Division B5] A process for forming material into particles e.g. by agglomeration, comprises classifying the particles according to size, feeding those particles having a size above or below that desired to a storage member, controlling the rate of removal of the particles from the storage member and recycling the removed particles to the particle forming device. As shown in the Figure, the apparatus comprises a rotary drum granulator 1, a rotating drum drier 2 and a rotating drum cooler 3 from which the granular product is raised by elevator 4 to a vibrating screen classifier 5. Oversize particles are fed via a crusher 6 to a storage hopper 7 and undersize particles are fed via a chute also to hopper 7, particles of the desired size range being passed on for further treatment. Particles from hopper 7 are fed onto a belt weigher 8 which monitors the rate of particle flow thereon by regulating the hopper outlet area, and thence via belt 9 and elevator 10 to the granulator 1. The means removing material from hopper 7 may alternatively be a vibrating extractor or screw or a conveyor belt having means ensuring a uniform load thereon e.g. a doctor blade, means regulating the hopper orifice or means regulating the conveyor speed. Fresh raw material is fed from hoppers A, B or C or as liquids, directly into granulator 1. The particle-forming apparatus may alternatively be prilling or spheroidising apparatus. The material may be a fertiliser formulation e.g. of mono-ammonium phosphate, potassium chloride, and aqueous ammonium nitrate.
Patent GB-1088991-A (GB)
Title: Method of making a random fibre web
IPC: D04H1/54
Filed: 1964-09-04
Abstract: A method of making a random fibre web comprises drying paper-making wood pulp, opening the dried pulp while dry to form it into tufts of fibres, forming the tufts into a mat, combing the mat with a rotary lickerin to separate it into its individual fibres, conveying the fibres by an air stream in a duct in a generally horizontal direction onto a foraminous condenser, while moving the condenser transversely across the air stream, so that the fibres are arranged on the condenser in random fashion laterally and longitudinally relative to one another to form a random fibre web, and compressing the web so formed.  In one example bleached sulphite or sulphate pulp passes from a roll thereof successively through an opener, air duct, deceleration unit, conventional random feeder which forms the fibre tufts into a matt, the random fibre web forming machine, heated embossing unit, and a heated smooth calender.  If other fibres-for example of natural or synthetic materials including cellulose acetate, rayon, polypropylene, vinyl polymers and nylon, or of fibreglass, metal fibres or fiberized leather-are to be included in the web, then these fibres are formed into a web, the paper pulp matt from the random feeder laid on top, and the covered web fed into the web-forming machine which blends the fibres and forms them into a uniform web.  If thermoplastic fibres are used, the web is passed through heating units to bond these fibres to the pulp before passing to the embossing and calendering units.
Patent GB-619431-A (GB)
Title: An elevator truck
IPC: B62B3/065
Filed: 1946-12-10
Abstract: 619,431. Load-handling machines. RILEY, J., and RILEY, C. Dec. 10, 1946, No. 36409. [Class 78 (iii)] An elevator truck has a table M connected by links K, K<1>, levers G... G 3 and links J, J<1> to the base members A, A<1>. Elevation of the table is effected by a hydraulic ram R<1> situated between the base members A, A<1> and operating on the horizontal arm of the U-shaped member F<2>, the vertical arms of which carry the pivots F<3>, F<4> of the crossed levers G, G<1> and G2, G3 respectively. The ram is supplied with fluid by a foot-operated plunger pump secured to the outside of the base member A and a fluid reservoir T is positioned between the base members A, A<1>. The arrangement is such that the ram, pump, foot lever and reservoir are below the table when the latter is in its lowest position. Upward travel of the U-shaped member F2 is limited by the engagement of the projection F with the slotted height stop E<1>.
Patent GB-924809-A (GB)
Title: Power assisted hand brake
IPC: B60T13/10
Filed: 1961-10-11
Abstract: 924,809. Hand brakes. H. TEVES, E. A. TEVES, and M. TAUSEND, [trading as ALFRED TEVES MASCHINEN - UND ARMATURENFABRIK KOMM.-GES.]. Oct. 11, 1961 [Nov. 11, 1960; May 20, 1961], No. 36487/61. Class 103 (1). A power-assisted handbrake, more particularly for motor vehicles, comprises a brake lever 1, Fig. 1, a power cylinder 6 connected to a source of pressure medium, a piston in the cylinder acting on the brake lever, a control valve 12 interposed between the cylinder 6 and the pressure medium source and having an actuating element 14 pivotally connected to the lever 1 and a brake-operating linkage 7 pivotally connected to the brake lever. The hand brake lever is in two parts 2, 3, the lever 3 being pivoted on a bracket 19 and pivotally connected to the lever 2 at 4. Abutments 18, 18<SP>1</SP> are provided on the levers 2, 3 respectively. A pawl 8 engages a ratchet 10 and can be released therefrom by a button 9. In a modification the valve is actuated through a Bowden cable. In another embodiment, Fig. 3, a spool valve 32 is moved so that a land 41 abuts the shoulder 43 to interrupt the communication between a pump 33 and a reservoir 36. Fluid-pressure builds up in chamber 45 moving the piston 30 to apply the brake via linkage 62. An accumulator 50 is provided which is connected to the chamber 49 communicating with the chamber 45 through a bore 46 by means of a cut-in valve 53 which is opened by a push-rod 51 sliding up a slope 57. In a further embodiment, Fig. 5, the brake lever is in two parts 65, 66, pivoted together at 67 on an arm 68 secured to the casing 69. Movement of the lever 65 to apply the brake causes land 79 on a spool valve 74 to abut the shoulder 78, thus interrupting the communication between pump 33 and a reservoir 36 through groove 75, cross-bore 97, circular groove 77 and port 83. Fluid-pressure builds up in chamber 93 via passage 92 so as to move the piston 71 to the left which in turn moves the lever 66 to the left to apply the brake. An accumulator 50 is provided which is brought into communication with chamber 93 by a cutin valve 85 which is opened by push-rods 87, 88 and tilting element 86.
Patent GB-826360-A (GB)
Title: Retrocortin esters and their preparation
IPC: C07J5/00
Filed: 1955-12-20
Abstract: The invention comprises retrocortin esters of the formula <FORM:0826360/IV (b)/1> (wherein R is a carboxyacyl radical), and alkali and alkaline earth metal salts thereof, together with a process for their preparation by reacting retrocortin with an acylating agent derived from a polybasic carboxylic acid, e.g. an acid anhydride or halogenide in the presence of a tertiary amine and conveniently in an organic solvent, e.g. pyridine, benzene or chloroform and, if desired, treating the resulting ester with an aqueous solution (preferably containing a lower aliphatic alcohol) of a basic alkali or alkaline earth metal compound, e.g. a carbonate, bicarbonate, or hydroxide, to form a salt.  Specified polybasic acids are succinic, glutaric, maleic, adipic and phthalic, and the reaction is preferably effected in pyridine, benzene or chloroform as solvent. In examples: (1) retrocortin is stirred at room temperature in pyridine containing succinic anhydride, the mixture added dropwise to excess dilute HC1 when retrocortin 21-hemi-succinate precipitates; subsequent treatment with sodium carbonate in aqueous ethanol gives the corresponding sodium salt (2), as in (1) using maleic anhydride to yield the 21-hemi-maleate, and (3), as in (1) using phthalic anhydride to give the 21-hemiphthalate.  Specification 823,940 is referred to.
Patent GB-1528193-A (GB)
Title: Thermoplastic sheet containing irradiation-converting particles
IPC: C08L33/00
Filed: 1975-09-08
Abstract: The thermoplastic film contains undissolved particles which transform incident, invisible electromagnetic radiation into visible light. The film contains the radiation-modifying particles in such a small amount that, during the irradiation, the luminous effect produced by an individual particle can be perceived separately from the luminous effects of other particles of the same kind by the naked eye on a non-luminous or differently-luminous substrate. The plastic film is suitable for producing documents such as identification cards and payment means, such as cheque cards and credit cards.
Patent GB-1077987-A (GB)
Title: Frequency changing apparatus
Inventor: WILLIAMSON KEITH HAROLD
IPC: H02M5/27
Filed: 1965-08-27
Abstract: 1,077,987. Frequency changing; control of A.C. motors. MULLARD Ltd. June 30, 1966 [Aug. 27, 1965], No. 36900/65. Headings H2F and H2J. A frequency changer supplying a centretapped load winding 5 which may be an induction motor from an A.C. source 7 comprises a capacitor 8 and two pairs of controlled rectifiers 1, 3 and 2, 4 arranged as shown. The controlled rectifiers may be thyristors or gasfilled valves or each pair may be replaced by a single solid state five-layer four-terminal device. The rectifiers are triggered from an oscillator and may conduct either for all or only a part of each half-cycle of the source.
Patent GB-511566-A (GB)
Title: Improvements in the lubrication of textile fibres
Filed: 1938-12-20
Abstract: 511,566. Lubricants for fibres. MONSANTO CHEMICAL CO. Dec. 20, 1938, No. 37018. Convention date, Feb. 14. '[Class 91] Textile fibres are coated with an aqueous solution of a water-soluble hygroscopic salt or ester-salt of an inorganic acid, the solutions having a pH value of 5-11. The fibres are processed in an atmosphere of humidity sufficient to keep the lubricant from solidification. Specified salts are dipotassium phosphate - and sodium (or potassium) methyl (or ethyl) phosphate.
Patent GB-1441922-A (GB)
Title: Portable road hazard warning device
IPC: E01F9/012
Filed: 1972-08-09
Abstract: 1441922 Portable road marker HAZARD WARNING SYSTEMS Ltd 27 July 1973 [9 Aug 1972 8 Nov 1972] 37062/72 Heading E1G A portable road hazard marker comprises a base 10 supporting an upwardly tapered helical spring 17 whose upper end is free to oscillate laterally, the spring either being (a) of resilient strip material (e.g. plastics), as shown, or (b) of wire encompassed by a perforate conical sleeve, or (c) of wire threaded through a spiral sleeve. The marker may include a top member 18 and may carry reflectors. The base 10 may be of plastics, have a square base plate 12, and incorporate an annular ballast chamber 15. A plurality of markers may be stacked with their springs collapsed as indicated, superposed markers being interconnected by headed projections 22 engaging key-hole slots, Fig. I (not shown). The uppermost of a stack of markers may be held collapsed by a cover plate provided with a handle.
Patent GB-1241051-A (GB)
Title: Improvements in or relating to classification of particles by flotation
IPC: B03D1/14
Filed: 1968-08-02
Abstract: 1,241,051. Flotation apparatus. BERGWERKSVERBAND G.m.b.H. 2 Aug., 1968 [5 Aug., 1967], No. 37079/68. Heading B2H. Apparatus for effecting the classification of particles by flotation comprises a cell a containing a series of zig-zag guide walls 21 to form a number of zig-zag ducts, diffusers 17 arranged below the cell a to conduct a suspension of solid concentrated particles in a finely dispersed mixture of air bubbles to the ducts and to reduce the entry speed of the suspension into the ducts and irregularly arcuate guide wall portions 45 arranged to produce eddy zones at the bends in the zig-zag ducts. As shown in Fig. 1b an aqueous suspension of a material passes from a rod mill to a stirring mixer where reagents are added and then to a pre-mixing chamber 4 which is provided with internal fittings 5 which distribute air into the suspension, a supply duct 6 opening into the chamber 4 and serving for the introduction of air and a mist of a foaming reagent formed by an atomising device 7. The suspension passes to a stirring device which includes an annular space 10 from which the suspension passes through a number of outlet openings 11. Coarse particles coming against the wall of the space 10 are passed by centrifugal force through ducts 12 for repeated treatment. The suspension passes through flexible ducts 16 to the diffusers 17, oversize particles being separated and fed back through hoses 18 into a dock 19 for further treatment. Each of the diffusers opens into the zig-zag ducts the zigzag walls 21 ending in the upper part of cell a at different levels so that the suspension is directed at right angles and moves over a sedimentation device 22 the tapering outlet ducts of which are connected by means of flexible pipes to an overflow 25 the height of which can be adjusted by a handwheel 21. Above the foam bed runs an endless band provided with blades 30 which remove the foam to a gutter 29.
Patent GB-890916-A (GB)
Title: A visual indicator and/or print-out device for an electronic counting device
Inventor: KROUPA VENCESLAV
Filed: 1958-11-19
Abstract: 890,916. Counter read-out systems. TESLA NARODNI PODNIK. Nov. 19, 1958, No. 37240/58. Class 40 (1). A counter DR provides an output on one of the leads 0<SP>11</SP>-9<SP>11</SP>, and a visual indication of the counter output is obtained by releasing a catch Z, whereupon disc K is rotated through a friction clutch, brush S bridging leads 0<SP>11</SP>-9<SP>11</SP> and contacts 0<SP>111</SP>-9<SP>111,</SP> until the marked lead is reached, a pulse being supplied to device D to operate catch Z and stop disc K. Digits 0-9 marked on disc K may be viewed directly through window OK or projected on to a screen. A print-out may also be provided by means of a printing mechanism P, TM.
Patent GB-1352220-A (GB)
Title: Phenoxy resin composition
IPC: C08L71/00
Filed: 1971-09-09
Abstract: 1352220 Laminated printed circuit board SONY CORP 9 Aug 1971 [10 Aug 1970] 37328/71 Heading B5N [Also in Divisions C2 and C3] Laminates used in printed circuitry comprise an epoxy resin/glass cloth prepreg adhered to a conductive sheet, e.g. electrolytic copper foil. The adhesive used comprises: (I) a phenoxy resin of formula (n = 50-100); (II) an epoxy resin having epoxide equivalent weight <4000 and as crosslinking agent either (III) a compound having at least two aziridine rings at terminal positions of the molecule or (IV) a compound in which M is a metal atom, n = 0 or an integer, M is an integer, R 1  is H or an alkyl, unsaturated aliphatic, cycloalkyl or aryl radical and R 2  is a substituted alkyl or aryl radical having at least one electron donor atom, e.g. N, O or S, to form a chelate with the metal atom, e.g. triethanolamine titanate. In an example adhesive coated copper foil is placed over several sheets of prepreg and pressed at 10 Kg/cm<SP>2</SP> at 160 C. for 4 minutes and 40 Kg/cm<SP>2</SP> at 160 C. for 1 hour to provide a copper clad glass board of thickness 1À6 mm.
Patent GB-1282890-A (GB)
Title: Bale tying method and apparatus
IPC: B65B27/12
Filed: 1969-07-25
Abstract: 1282890 Baling machines MUNRO SYSTEMS CORP 25 July 1969 [25 July 1968] 37503/69 Heading B5F [Also in Division B3] A baling machine comprises a ram 12 (Fig. 1a) movable within a baling chamber 10a, a shoot 10b for loading material into the chamber 10a, bale tying apparatus comprising wire supply means 30 on each side of the baling chamber, a wire carrier 60 (Fig. 8) movable across the baling chamber and a wire twisting and cutting mechanism 50 comprising a pinion 55 (Fig. 7, not shown) having a pair of diametrically opposed grooves 55a, 55b adapted to receive sections of the wire 33, means to rotate the pinion 55 to provide a twist (33c) on each side of the pinion and means 56b (Fig. 5a) for cutting the wires in the grooves. The machine may be used for baling, e.g. shredded paper, plastics, textiles, metallic foils and rubber waste. In the example shown three wires are tied round the bale but more may be used. The wire carrier 60 (Fig. 8) is adapted to pass through passages formed in the ram 12 by a back plate 12a, face plates 12c and horizontal portions 12b (see Fig. 3). The face plates 12c are separated by gaps 12d through which the baling wires can pass. The ram 12 can be locked in position during tying by means of a shaft 72b operated by an hydraulic cylinder 72a and engaging a lug 12e on the ram. Wire from spools 32 (Fig. 4) passes through means 34 for detecting empty spools and then around tensioning pulleys 39a (Fig. la). The wire 33 passes through aligned holes in a wall 34a and an arm 35 pivoted at 35a. When a spool 32 is empty the corresponding arm 35 is pivoted by a spring 36 and moves an actuator 37 to operate a switch 38 and stop the machine. After passing the tensioning pulleys 39a the wire passes round a guide pulley 65 (Fig. 8) to the wire carrier 60. This comprises a frame structure 62 and is moved to and fro by an hydraulic cylinder 67a and piston. The frame 62 has extended portions carrying clamping pulleys 63, the second extended portion having sloping wire guides 62c. Pressure is exerted on the sides of the bale by side plates 42a (Fig. la) carried by pivoted side bars 42 operated by a double acting hydraulic cylinder (45), Figs. lb, 1c (not shown). Pivoted fingers 53a are used to carry one wire into one groove 55a in the pinion 55, the pinion is rotated through 180 degrees by a rack 56 and then the other wire is carried into the other groove by the carrier 60. The fingers 53a remain in the position seen in Fig. 5c (not shown) to constrain the twists between the pinion and the fingers.
Patent GB-1044909-A (GB)
Title: Improvements in or relating to vehicles having an upper structure swingable relatively to a lower structure
IPC: E02F9/02
Filed: 1963-09-24
Abstract: 1,044,909. Cranes. RUSTON-BUCYRUS Ltd. Sept. 24, 1963 [Sept. 28, 1962], No. 37522/63. Heading B8B. [Also in Division E1] A crane or excavator is made in two parts 21 and 22 such that the part 22 may without difficulty be raised from the part 21 for repair purposes. To this end part 22 carries motor 25 on platform 24 and its drive is transmitted by gears 29 and 31 carried by the platform. Slewing device, Fig. 5 (not shown). The motor drives gear 29 via shaft 51 and gear 29 engages a ring gear 30 secured to base 80 to slew the platform 24. Additionally, the motor drives gear 31 via shaft 26a, and gear 31 drives gear 32 which drives the crawler gear 40 via shaft 33, clutches 36 and 37 and gears 38. Clutches 36, 37 and brakes 36c and 37c are effected hydraulically. Shaft 26a is carried in sleeve 26 which passes through aperture 70 formed in lower frame 80 so that the top part of the crane including gears 29 and 31 can be removed vertically from the frame 80. Additionally, bearings 52 are enclosed by ring 28 carried by bolts 50 from platform 24 so that when the bolts 50 are removed the top and bottom parts of the crane are ready for separation. Shaft 26a is made hollow so that fluid may be introduced to distributer 62 which distributes the fluid to the brakes and clutches. Distributer 62 is releasably secured by bolt 64 so that when the bolt is released the shaft 26a is free to be separated vertically from distributer 62 and frame 80.
Patent GB-1225020-A (GB)
Title: Apparatus for bulking yarn
Inventor: BENSON GUSTAV EDWARD
IPC: D02G1/16
Filed: 1968-08-08
Abstract: 1,225,020. Texturing yarns. OWENS-CORNING FIBERGLAS CORP. 8 Aug., 1968, No. 37910/68. Heading D1F. A texturing jet 10 comprises a hollow body 12 with a chamber 40 therein; an outlet 20 from the chamber having a converging entrance 24, a throat 25 and a diverging exit 26; and a nipple 30 extending through the chamber having a passageway 32 therein which diminishes over at least a major portion of its length from a larger cross-sectional area communicating with the atmosphere to a smaller cross-sectional area at the inner end 31 of the nipple, the nipple 30 may be laterally offset with respect to the outlet 20. The passageway 32 may be uniformly tapered along its entire length (as shown). Alternatively, the passageway can be in two sections, the first being tapered and the second being of a different degree of taper or of uniform cross-section (Figs. 4 and 6). The passageway 32 can be highly tapered (Fig. 5); or the passageway can have walls which extend as a truncated pyramid or which are flared. The yarn being textured, e.g. with air or steam, may be a single staple fibre or multifilament yarn made of glass, nylon, rayon, polyester or cotton.
Patent GB-951975-A (GB)
Title: Improvements relating to comparator gauges
Inventor: BROWN KENNETH ROBSON
IPC: G01B7/14
Filed: 1961-10-25
Abstract: 951,975. Comparator gauges. FERRANTI Ltd. Oct. 16, 1962 [Oct. 25, 1961], No. 38129/61. Heading G1N. A comparator gauge includes a supporting framework 11, a torsion rod 13 having a portion 16 lying between the centre portion 15 and each end portion 14, which is of lower torsional rigidity than portions 14,15 and which transforms smoothly into them, end portions 14 being secured against rotation and centre portion 15 having an arm 22 extending radially therefrom, having a tip 24 to engage a workpiece, and an electrical pick-off system 31, 32, 33 responsive to the angular position of the arm. Portions 16 may be of cruciform cross-section, or circular as shown. A screw 27 bears on the free end of a spring 25 on arm 22. Struts 29 are secured to the arm to prevent movement axially of rod 13. The pick-off is preferably of the type described in Specifications 874,176 or 874,177. Four windings 33 are connected in a bridge circuit with a fixed capacitor across one winding and a variable capacitor across an adjacent winding. Screw 27 is initially adjusted so that the instrument can operate on a linear part of its range, and the variable capacitor is adjusted to zeroise the indicator reading. Alternatively the latter adjustment may be made by rotating stator 32. The device may be secured to a plane table or may be modified by providing an arm carrying a single fixed rod to form a caliper gauge. This may be further modified by providing a second fixed rod so that a circular arc may be gauged. Tip 24 and the tip of one of the fixed rods preferably lie on a diameter. A spherometer may be constructed using three parallel fixed rods with the probe arm 22 lying between them, and having its tip bent parallel to the rods.
Patent GB-1081768-A (GB)
Title: Coloration process
Inventor: BERRIE ALISTAIR HOWARD
IPC: C08L67/02
Filed: 1963-09-27
Abstract: Synthetic linear polyesters are mass coloured using a metal complex of an azo dyestuff free of sulphonic acid, carboxylic acid, or sulphonamido groups, obtained by coupling a diazotized, optionally substituted, o-aminophenol or o-aniside with a coupling component which couples in ortho or adjacent position to a hydroxy or enolizable keto group.  The complexes are preferably complexes of 1 atom of Co or Cr with 2 molecules of a monoazo dyestuff of formula A-N=N-E wherein A is a phenyl radical having a hydroxyl group adjacent to the azo linkage and E is the residue of a coupling component coupled in a position adjacent to a hydroxyl or enolizable ketone group.  More preferred are dyes in which E is the residue of a phenol or naphthol coupling o to the hydroxyl group, and dyes in which E is a residue of a 1 - phenyl - 3 - methyl - 5 - pyrazolone. The dye complex may be incorporated into the polyester by mixing with the monomers or prepolymers during polymerization or by addition to the melt pool during spinning, or chips of the polyester may be coated with the complex by tumbling or by dyeing with an aqueous dispersion of the complex, then be melted and spun or shaped.  In examples are used 1:2 Co or Cr complexes of a number of dyes of the above particularly preferred type and 1:1 Cu or Cr complexes.