baber/WOPTO huggingface dataset:
Patent GB-762475-A (GB)
Title: Improvements in the manufacture of crimped yarns or threads
IPC: D02G1/02
Filed: 1953-06-04
Abstract: 762,475. Crimping yarns ; driving arrangements in textile spinning &c. machines. FOULETIER, J. C. June 4, 1953 [June 16, 1952], No. 15434/53. Classes 120 (2) and 120 (3). Crimped yarns are produced by forming a number of elementary yarns which may differ in size, form, and other characteristics, into a single composite yarn which is wound on a bobbin without drawing and heat treated to fully set the deformation : the composite yarn is then separated into its component yarns by means of an untwisting device in which the component yarns are collected on bobbins driven by variable speed devices controlled by the yarn tension. The composite yarn may be formed by intertwisting, or by wrapping or winding one or more yarns around a core yarn to produce deformations in all the components. As shown in Fig. 1 two elementary yarns 1 and 2 drawn from bobbins 3 and 4 are intertwisted by a flyer 5 on a ring 7 to form a yarn 8, Fig. 2 (not shown) wound on a spool of a spindle 6 : when the yarn has been set the spool is placed on a driven spindle 9, Fig. 3, from which the yarn 8 passes through an eyelet 10 to be separated into component crimped yarns (each as in Fig. 4, not shown) which are wound on bobbins 11 and 12 frictionally driven by rollers 13 and 14 on which they rest whereby a constant speed is ensured for the yarns 1 and 2. In the embodiment of Fig. 5, a core yarn 19 drawn from a bobbin 20 is passed through a hollow spindle 18 carrying a spool 17 from which a yarn 25 is drawn to cover the yarn 19, the composite yarn 26, Figs. 6 or 7 (not shown), being drawn off on a bobbin 22 frictionally driven by a roller 23 : when the yarn has been set and as shown in Fig. 8, the core yarn 19 is disengaged from the successive turns of the yarn 25 by rotation about the axis of the yarn 26 as the generatrix of a core so that the yarn 19, Fig. 11 (not shown), is collected by a flyer 29 on a ring 30 on to a spool 27 carried by a hollow spindle 28 through which yarn 25, Fig. 10 (not shown) passes to a bobbin 31. The paths of the dividing component yarns may be interchanged. In a device for ensuring constant winding speed, Fig. 12, a bobbin 12 is frictionally driven by a roller 14 rotated by a string 34 passing over a driving pulley 35 and tensioned by an idler 36 carried by an arm 37 pivoted at 38 : the yarn 2 passes on a grooved roller 40 so that the tension therein opposes the control of a spring 39 and variation in the tension adjusts the amount of slip of the string 34. In another device, Fig. 13, the roller 40 is carried by an arm 41 pivoted at 42 with a nose 43 a terminal button of which bears against the roller 14 with a pressure which increases as the yarn tension increases and brakes the roller 14 to cause slipping of the string 34.
Patent GB-1428025-A (GB)
Title: Processes for developing latent fingerprints
IPC: G01N33/62
Filed: 1973-03-30
Abstract: 1428025 Detecting fingerprints UNITED KINGDOM ATOMIC ENERGY AUTHORITY 20 March 1974 [30 March 1973 17 Oct 1973] 15513/73 and 48464/73 Heading G1B Fingerprints on a surface are rendered visible by application of a solution comprising a reagent which reacts with urea to form a coloured compound, e.g. an aldehyde of the structure X-A-(CY=CY# n CHO, wherein A is phenyl, a poly nuclear aromatic or a heterocyclic, X is an auxochrome, each Y is a hydrogen or halogen atom or a nitro group and n is 0, 1, 2 or 3. The preferred reagent is 4-dimethyl-amino-cinnamaldehyde, such reagents being applied in the presence of a strong acid. Application is preferably in the form of a solution in a low polarity, inert, non-aqueous liquid, e.g. a fluorinated hydrocarbon and ethanol or a propanal, or in the form of two such solutions, the first applied containing the acid and the second the reagent.
Patent GB-1061407-A (GB)
Title: Method of manufacturing a water-resistant composition
Inventor: LAPSHIN PAVEL VLADIMIROVICH
IPC: C04B11/024
Filed: 1964-04-15
Abstract: A water resistant composition based in gypsum, cement, and an acidic hydraulic component is obtained by adding the cement to the gypsum as it is being dehydrated at above 100 DEG  C., and thoroughly mixing the composition at 125-170 DEG  C.  The acidic hydraulic component (specified are sedimentary or volcanic rock, pulverized fuel ash and ground slag) can be contained in the cement or is added to the gypsum either before or during dehydration.  An aqueous solution of an alkali metal, alkaline earth metal or ferrous chloride can be added to the gypsum at 80-100 DEG  C. The cement can be puzzuolanic, slag or portland.
Patent GB-1422791-A (GB)
Title: Apparatus for indicating fluid flow velocity
IPC: G01F1/66
Filed: 1972-04-04
Abstract: 1422791 Ultrasonic fluid flowmeters; automatic frequency control UNITED KINGDOM ATOMIC ENERGY AUTHORITY 29 March 1973 [4 April 1972] 15554/72 Headings H4D and H3A In an ultrasonic fluid flowmeter of the type in which pulses are transmitted upstream and downstream between two spaced transducers, variable frequency oscillator means (VFO) are controlled automatically to give output frequencies N 1 /t 1  and N 2 /t 2  where N 1  and N 2  are integers and t 1  and t 2  are respectively the upstream and downstream pulse transit times, and the difference between the two frequencies is determined as a measure of the flow velocity. Preferably N 1  = N 2  = N. The difference frequency is N times that obtained from prior art flowmeters measuring the difference between upstream and downstream "sing-around" frequencies, hence the velocity readout response time is 1/Nth that of the prior art flowmeters. Respective oscillators may be used for generating the output frequencies simultaneously; or a signgle oscillator for generating them sequentially. In one embodiment using simultaneous generation two oscillators have respective retroactive frequency-control logic circuits each of which derives an error signal by comparing the occurrence time of the Nth oscillator pulse following the acoustic pulse transmission from one transducer with the arrival time t 1  or t 2  of that acoustic pulse at the other transducer. The transducers feed respective receiver amplifier channels (Fig. 1, not shown) or a switched single channel (Fig. 5, not shown). The logic circuits are inhibited except when reception of the acoustic pulse is expected. A fault indication is given if fewer than a given fraction of the transmitted acoustic pulses are received. In a second embodiment, operating in a sing-around mode, velocity resolution is improved by a factor M at the expense of response time by using frequency-control logic which ensures output frequencies N/t 1  and N/t 2  by comparing the times Mt 1  and Mt 2  for M sing-arounds with the times for MN oscillator pulses to derive the error signals. frequency control of oscillator VFO in Fig. 3 is required such that N oscillator pulses occur in the interval t 1  starting with the first VFO pulse following a reset pulse and ending when pulse RX is received (see Fig. 4). Bi-stable 15 or 16 is set depending on whether the RX or Nth VFO pulse occurs first. The bi-stable in turn triggers a monostable 19 or 23 to apply a discrete current pulse (error signal) of negative or positive polarity respectively to an integrator 22. The integrator output controls the VFO frequency in steps so as to increase or decrease it depending on whether RX or the Nth VFO pulse respectively occurred first. The size of a step may be temporarily increased by a manual control.
Patent GB-249374-A (GB)
Title: Improvements in convertible chair or settee bedsteads
IPC: A47C17/207
Filed: 1925-06-16
Abstract: 249,374. Ambrose, H., and Bull, G. J. June 16, 1925. Bedsteads convertible into seats in which a hinged chair back folds down flat and the seat is hinged to the main frame to turn over to form a flat extension of the bed surface are provided with an independent woven wiresprung mattress for each section. A removable wire mattness 12 in the frame 10, 11 is provided in the chair frame 2, 3 and rests on strips 13 supported by corner pieces 14. An independent woven wire-sprung area 18 is mounted on the hinged seat frame 15, 17 which carries legs 21 with cross battens 22 adapted to fold flush within the frame and with the battens 20 to the seat cushion. On the hinged frame 24, 26 of the chair back is mounted a wire mattress 27. The lateral frame members 10, 15, 24 at their upper ends are level with the mattress components but are recessed at 31 or are attached in a lower position. A front flap 33 may be hinged on the member 15 of the hinged seat and conceals the framework of the closed seat.
Patent GB-769779-A (GB)
Title: Improvements relating to the formation of oxalate coatings on metal surfaces
IPC: C23C22/46
Filed: 1955-05-31
Abstract: An oxalate coating is produced on a surface composed of nickel, chromium or an alloy containing nickel and/or chromium in a total amount of at least 8 per cent by treatment with an aqueous solution of oxalic acid, a halide and/or thiocyanate and an organic nitro-compound.  The halide may be any of the water-soluble alkali metal and ammonium chlorides, bromides, fluorides, silicofluorides and borofluorides.  The organic nitro-compound preferably contains a solubilizing group such as halide, hydroxyl, aldehyde, sulphonic acid or salt groups and carboxylic acid or salt groups and, of many examples given, it is stated that the preferred compounds are sodium, potassium and ammonium salts of nitrobenzene sulphonic acids, nitroguanidine and nitrophenols.  The solutions are used at a temperature of 115 DEG -175 DEG F.
Patent GB-1071280-A (GB)
Title: Improvements relating to magnetic recording media
IPC: C09D129/04
Filed: 1966-04-07
Abstract: 1,071,280. Magnetic compositions. AMPEX CORPORATION. April 7, 1966 [May 10, 1965], No. 15649/66. Heading H1H. The binder for a recording tape comprises 75-85% of a partially hydrolysed copolymer of vinyl chloride and vinyl acetate, and 15-25% of a urea formaldehyde resin. A solution of the binder may be added to a dispersion of magnetic particles, e.g. γ-Fe 2 O 3 , in a solvent, and mixed, e.g. in a ball mill, then coated on to a backing, dried at 175 F. then 225 F., spooled, and cured at 80 C or 100 C. The solvent may be toluene and methyl ethyl ketone. The backing may be a plastic, e.g. polyethylene terephthalate, cellulose acetate, or polypropylene, paper, glass or metal. The dispersion may also include carbon black, phenyl mercuric oleate, licithin, silicones, and lead phosphite.
Patent GB-752191-A (GB)
Title: Improvements in or relating to ornamentation of sheet materials
Inventor: EVANS JOHN GWYNANT
IPC: D06C23/00
Filed: 1952-06-20
Abstract: Compressively shrinkable materials which do not possess the power of complete elastic recovery and are in sheet form, for example woven or knitted textile fabrics, paper, leather, parchment or regenerated cellulose, and coated textiles such as book cloth and imitation leather cloth, are ornamented by changing their configuration by the formation of ruffles, frills, ribs or like variations of shape, by shrinking at least one selected region of the material in relation to an adjacent region or regions by frictional compressive shrinking, while allowing relative freedom of movement to the said adjacent region or regions to deform so as to produce ruffles, ribs, frills or the like, the selected shrunk region or regions remaining substantially flat.  The treatment is preferably carried out in modified forms of known types of continuously-acting compressive shrinking apparatus, but discontinuous batch methods may also be used.  Thermoplastic textile fabric made, e.g. of polyamides or polyesters such as polyethylene terephthalate, may be compressively shrunk with the aid of heat, and then retain their shape until heated to a higher temperature; or these and other fabrics, e.g. of cotton, may be preheated with resins or other fixing agents which are set by heat applied during or after the shrinking process, or both, or by a chemical treatment.  Fabrics consisting wholly or largely of cellulose acetate may be pretreated with an aqueous solution of a swelling or plasticizing substance, the excess removed and the fabric dried and then submitted to the ornamenting process and washed.  The fabric may be stretched beyond its normal length, or shrunk over its entire surface, before it is subjected to the localised compressive shrinking.  It may be coloured during ornamentation, e.g. by applying a paste containing colouring matter to the belt, roller or stencil or, with certain textile fabrics, dyestuff suspensions may be applied to the material, localised contact with the heated surfaces causing the dyes to be absorbed in the heated regions. Examples are given describing the treatment of textile fabrics of cellulose acetate rayon padded with ethyl acetate solution, of viscose rayon staple fibre with and without impregnation with a solution containing trimethylol melamine and ammonium dihydrogen phosphate, of polyethylene terephthalate fibres, of nylon, previously impregnated with a solution of Lacquer Blue 0041 in dichloroethylene and dried, and of a sheet of regenerated cellulose.  Specifications 425,032, 700,413 [Group VIII] and 752,192 are referred to.
Patent GB-1396181-A (GB)
Title: Bullets
IPC: F42B12/78
Filed: 1972-04-05
Abstract: 1396181 Bullets E GRUAZ 5 April 1972 [24 June 1971] 15680/72 Heading F3A [Also in Divisions B2 and C3] A bullet comprises a body which has been formed, at least in part, by injecting into a mould a plastics material for mixture with carbon fibres previously disposed in the mould, or plastics material previously mixed with carbon fibres, the carbon fibres having been formed by carbonizing plastics fibres at about 3000‹ C. The plastics material with which the carbon fibres are mixed may be a polyamide, a polyvinyl, a polypropylene, or a polyethylene. The bullet contains up to 75% by weight of carbon fibres. The bullet may have a metallic core with a coating of an admixture of the plastics material and the carbon fibres.
Patent GB-1469242-A (GB)
Title: Compositions containing mixtures of carbamoyl or thiocarba moyl sulphonates and polymers and their applications
IPC: C08L71/02
Filed: 1974-04-09
Abstract: 1469242 Modifying fibrous materials; modifying paper COMMONWEALTH SCIENTIFIC & INDUSTRIAL RESEARCH ORGANIZATION 9 April 1974 [16 April 1973 15 Aug 1973] 15711/74 Headings D1P and D2B [Also in Division C3] The properties of fibrous materials are modified by treating with a polymer composition comprising (1) a compound containing one or more carbamoyl- or thiocarbamoyl-sulphonate radicals of the formula wherein X is a monovalent cation or one equivalent of a polyvalent cation; and (2) a natural or synthetic polymer selected from (A) polymers of ethylenically unsaturated monomers and (B) polymers having a backbone of carbon atoms and at least one ester, amide, ether, urethane, urea, sulphide, disulphide, thioamide, sulphone, carbonate or silicone linkage. Component (1) preferably has more than one (thio)carbamoyl-sulphonate group and a particularly useful product (referred to as BAS) is that of the formula where U = (CH 2 ) 6  and g is from 1-40, more particularly 14-18. Preferred types of polymer component (2) are latexes, dispersions or emulsions of acrylic, vinyl chloride, chloroprene or vinylidene chloride polymers or copolymers; latexes of styrene, butadiene, acrylonitrile or vinyl acetate polymers or copolymers; polyurethane latexes; polythiol polyoxyalkylene resins; polymers containing blocked isocyanate groups; epoxy resins; and silicones. Natural polymers such as gelatin, collagen, zein, casein, starch, alginates or carboxymethyl cellulose may also be used as component (2). The compositions may additionally include agents for curing either of the components (1) and (2), as well as diluents, salts, acids, bases, dyes, pigments and other conventional additives for fibre- or fabric-treating compositions. The compositions may be applied to loose fibre, card sliver, roving, yarn, fabric, sheets (e.g. paper), felts, garments etc. by such methods as padding, dipping, spraying, brushing or knife coating. The treated material is suitably heated to remove volatile components and to assist curing of the applied composition. The substrate fibrous material may be of flax, jute, hemp, cotton, wool, asbestos, casein, zein, rayon, viscose, alginate, cellulose acetate, cellulose triacetate, glass, metal, carbon, polyamide, polyester, polyacrylic, modified acrylic, polyvinyl chloride, polyolefin, polyethylene or other polyvinyl or vinylidene fibres, and blends thereof. The compositions are particularly useful for treating wool and wool blends and provide such properties as shrink resistance, abrasion resistance, dimensional stability, pilling resistance, snagging resistance, wrinkle recovery, strength, smooth drying, tailorability, flame resistance, water and stain repellency, crease resistance, and pigment bindability. The compositions may also be applied to a cellulosic fibre slurry to produce paper having improved tear and burst strength and abrasion resistance.
Patent GB-312499-A (GB)
Title: Improvements in vertically sliding windows for vehicles
IPC: E05F11/38
Filed: 1928-05-29
Abstract: 312,499. Kutzner, G. May 29, 1928. Vehicle windows; frames; vehicle-window opening and closing apparatus. - A verticallysliding vehicle window comprises jointed sash members each formed from a seamless tube shaped to provide a channel S for the glass and a tubular recess for a flat iron stiffening member C, which extends below the sash and is secured between the flanges of an I-section member F on each side. Also secured to the I-section members are the downwardly extending limbs G of a bracket G' secured to the horizontal sash. The sash, with or without an angle member secured thereto, slides in a fixed channel D, the top of which may be slit and adjustable by set-screw and bracket to fit the slide. The sash is operated by racks N of non-oxidizable metal attached thereto and pinions on a shaft 0 actuated by worm P, worm-wheel Q, and handle R. The pitch of the worm is so chosen as to be irreversible. The sliding sash-frame may contain two horizontally sliding sashes having grooved bottom .rails to engage corresponding slides and a spring-pressed pawl and ratchet for fixing the sashes in any position. The stiffening member C may be formed as an extension of the supporting bracket G, G'. Strips of felt and a blade spring J may be provided in the channel D to engage the sliding member F, Fig. 2.
Patent GB-205133-A (GB)
Title: Improvements in or relating to apparatus for slaughtering cattle
IPC: A22B3/00
Filed: 1922-06-06
Abstract: 205,133. Gray, B. P. June 6, 1922. Slaughtering.-In a slaughter pen provided with means for positioning the animal and having a V-shaped block 15 and a yoke 16 for holding the head of the animal, the upper member of the yoke may be in the form of a closed loop carrying a hollow frame 43 within which a slaughtering blade or hammer 41 is slidably mounted. The blade is formed with an enlarged head 49 adapted to be struck by a hammer, and is normally held in retracted position by springs 42 The floor 2'5 of the pen may be slightly inclined and mounted on rollers, or may be pivoted at one edge or at its centre line. One of the Provisional Specifications describes apparatus wherein the animal's head is completely severed by a guillotine knife moving downwardly, upwardly or laterally in cooperation with a correspondingly-placed block which may be slotted to receive the knife and provided at its edges with stops. The knife may be weighted or may be operated by springs or by electromagnets.
Patent GB-673678-A (GB)
Title: Improvements in or relating to stocks and dies, die heads and the like thread cutting tools
IPC: B23G5/04
Filed: 1949-06-14
Abstract: 673,678. Screwing die-heads. BRIDGES, G. N. Aug. 21, 1950 [June 14, 1949], No. 15792/49. Class 83 (iii). In a die head of the kind actuated by a strap 7 and pawl and ratchet mechanism and comprising transversely-wedged chaser holders 2 mounted in a square recess 4 in the die body, one of the holders is displaced, to cause corresponding displacement of the other holders, by means of a rotatable internally-threaded sleeve 11 engaging a screw-threaded stud 10 connected to the holder, and to effect automatic taper threading, the sleeve is actuated intermittently, e.g. once in each revolution of the die body and preferably during the idle movement of the strap 7, by means of a pin 16 projecting from the upper face of the strap and engaging a gear 15 provided on a spindle 14 which is geared to the sleeve.
Patent GB-457740-A (GB)
Title: Improvements in electric discharge tubes
IPC: H01J61/34
Filed: 1936-06-05
Abstract: 457,740. Discharge apparatus. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN, Emmasingel, Eindhoven, Holland. June 5, 1936, No. 15801. Convention date, Aug. 26, 1935. Addition to 392,796 and 414,018. [Class 39 (i)] In a metal-vapour discharge tube 1 which is surrounded by a double-walled exhausted envelope 3, and is provided at the bottom thereof with a centring member accom. modated in a cavity in the envelope, as described in the parent Specifications, the centring member consists of an external metal auxiliary electrode 7. The tube is provided with incandescent electrodes 2 and a sodium filling and the electrode 7, which may be U- shaped, is connected to one of the electrodes 2. A cap 4 or the envelope embraces the cap 5 of the tube and the space between the tube and the en. velope may be filled with air
Patent GB-144732-A (GB)
Title: Improvements in or connected with apparatus for displaying advertisements or other information
IPC: G09F11/12
Filed: 1920-06-11
Abstract: 144,732. Tas, H. June 11, 1919, [Convention date]. Reel and endless-web apparatus; rotary apparatus, internally illuminated.-Relates to apparatus for displaying advertisements or other information, of the type in which the matter to be displayed is arranged on transverse bars carried by endless chains or bands travelling over sprocket wheels. Two chains 11 carrying pins 18 which pass over star wheels 10, are connected together by clip bars 13, Fig. 3, one or both of each pair of which bars are adjustable along the chain by engagement with a slot 15 in each link 12. Cards, plates, strips, or other members 14 of various widths or heights bearing the advertising or other matter are held between the bars 13. An adjustable spring-held bearing 9 is provided for one or more of the star wheel spindles, as shown, for the interior wheed 10. The chains 11 may be driven continuously or intermittently, preferably by an electric motor 20. Lamps 29, preferably of various colours and adapted to be periodically and automatically lit are provided. The lamps may be replaced or assisted by polyhedral internallyilluminated drums with differently coloured transparent sides. A casing may surround the apparatus.
Patent GB-121761-A (GB)
Title: Improvements in Vacuum Brake Gear for Railway Rolling Stock and the like.
Inventor: ECHLIN WALTER CHARLES
IPC: B60T13/46
Filed: 1917-10-31
Abstract: 121,761. Echlin, W. C. Oct. 31, 1917. Fluid-pressure.-Relates to hand-release valves for vacuum brakes, such as described in Specification 21945/09 and comprising a pair of valves forming a double seal against leakage aud consists inusing a pair of lift valves. As shown, the release valve comprises an inner ball-valve 6 and an outer poppet valve 20 both adapted to close a passage 11 leading to the space above the brake piston. The cage 7 of the ball valve is connected to the valve 20 by a pin 8 passing through a slot so that, when the stem 4 is pulled outwardly by the hand-lever 19, the valve 20 is unseated before the valve 6. The valves 6, 20 may be arranged in the same casting as the application valve 16 which controls communication of the train-pipe connected at 1 with the space above the piston through passages 18, 14. According to the Provisional Specification, the release valve may consist of a single spring-pressed ball or poppet valve instead of a double valve.