baber/WOPTO huggingface dataset:
Patent GB-813451-A (GB)
Title: Improvements in or relating to loudspeaker cabinets
Inventor: JORDAN EDWARD JAMES
IPC: H04R1/22
Filed: 1955-11-25
Abstract: 813,451. Acoustic resistances. GOODMANS INDUSTRIES Ltd. Nov. 12, 1956 [Nov. 25, 1955], No. 33907/55. Class 40 (8). [Also in Group XXXIX] A wall of a cabinet enclosing one side of a loud-speaker is apertured and fitted with an acoustic impedance comprising a port of size sufficient to produce a lowering and damping of the effective speaker resonance but small enough to have negligible radiation, together with a number of small openings providing a resistive relief to air compression and rarefaction, the small openings being provided in a sheet of metal mesh which has been glued and sprayed with loose fibrous material. As shown in Fig. 1, an aluminium or steel mesh sheet 1 which is braced by struts 4 is secured in a flanged frame 3 fitted with an ornamental grille 5. Prior to assembly the mesh sheet is partially glued and sprayed with fibrous material 2, the unsprayed portion constituting the port for lowering and damping the speaker resonance. In an alternative construction, Fig. 2, the struts are dispensed with by curving the mesh sheet, ports being provided by the sector-shaped spaces 9 at the ends of the sheets. In a modification, Fig. 3, the ends are closed and ports are provided by mounting the assembly on spacers 12. Specification 790,997, [Group XXXIX], is referred to.
Patent GB-835722-A (GB)
Title: Improvements in the dyeing of textile materials composed of polyamide fibres
IPC: D06P3/24
Filed: 1957-10-30
Abstract: Textile materials of polyamide fibres are dyed with acid- or neutral-dyeing acid, chrome, or 1 : 2 metal complex dyestuffs in the presence of sulphonated unsaturated fatty acids containing 16-20 carbon atoms, or sulphonated esters of such acids. Preferably an acid dyebath, containing formic or acetic acid, or ammonium sulphate, is used, and dyeing may be carried out at or above the boil and, if the latter, especially at 110-120 DEG  C.  The use of sulphonated castor oil (especially that having a degree of sulphonation of 80%), sulphonated oleic acid (degree of sulphonation 99%), and sulphonated butyl ricinoleate, is described in the examples.  A tanning agent, e.g. tannin, may be added to the dyebath.
Patent GB-645149-A (GB)
Title: Improvements in or relating to devices for projecting liquid jets particularly adapted for medication purposes
IPC: B05B11/00
Filed: 1947-12-23
Abstract: 645,149. Reciprocating pumps. TURNBULL, F. M., and HAMILTON, W. F. Dec. 23 1947, No. 33982. Convention date, Aug. 11, 1945. [Class 102(i)] [Also in Group VI] A device for projecting a jet of liquid and particularly adapted for medication purposes comprises a head having an orifice aligned with the longitudinal axis of said head for directing a thin stream of liquid, a container for holding a body of said liquid and having a longitudinal axis in substantial alignment with the axis. of said lead and orifice, and a liquid pump comprising a barrel entirely within said container and a spring-controlled plunger working within said barrel for withdrawing liquid from said container and forcing a volume of said liquid under pressure through said orifice, said barrel having a flange at its upper end integral therewith for centreing the' barrel within the container. As shown in Fig. 6, a nasal syringe comprises a container 12 fitted with a reciprocating pump formed by an actuating member 68, a pump barrel 50 and valve elements 90, 58. The pump assembly is held on the container by screwed collar 48, a washer 53 being interposed between a flange 51 on the barrel 50 and the rim of the container: the rim of the container has a grooved surface so as to permit a slow leakage of air to equalize pressures inside and outside the container. The length of stroke of the member 68 and hence the amount discharged can be determined during manufacture by selecting an upper member 86 of appropriate length. In a modification, Fig. 10. the ball 90 is replaced by a spring- pressed conical member 100.
Patent GB-1407365-A (GB)
Title: Vehicles
IPC: B60W10/10
Filed: 1973-07-17
Abstract: 1407365 Controlling vehicles CATERPILLAR TRACTOR CO 17 July 1973 [14 Aug 1972] 33998/73 Heading B7H [Also in Division F2] A vehicle, such as a loader, having brakes and a transmission has two brake pedals 20, 22 to apply the brakes, one pedal 22 also being so connected to the transmission as to cause disengagement thereof as well as applying the brakes. Pedals 20, 22 are pivotally mounted on a shaft 28 and have tabs 26, 30 respectively engaging lugs 28, 32 of a tube 24, pivotally mounted on the shaft. A linkage 34 between a lever, 35, fixed to the tube 24 and a control rod 36 controls a brake valve 38 which is operated to direct pressurized fluid from a source 40, Fig. 4 (not shown) to operate a brake (42). Attached to pedal 22 is an arm 46 having a portion 76 which extends through an aperture in a support bracket 16 to engage a bolt 78, the head 82 of which engages one, 88, of a pair of scissor members 86, 88 pivotally fixed to bracket 16 by a pin 84 and respectively interposed between the bolt 78 and a spool 72 of a valve 60. When pedal 22 is in its brake released position spool 72 is balanced between a spring 94, engaging one end thereof, and a spring 98 interposed between members 86, 88 so that communication between a pipe 68 leading to a pressure relief tank 68 and a pipe 66 leading to the transmission device (56) is blocked and pressure is maintained in the device (56). Upon movement of the pedal 22 to apply the brake, arm portion 76 and bolt 78 move therewith causing rightward movement of spool 72 through spring 98 such movement being limited by a stop pin 103. Upon further application of the brakes, spool 72 moves to allow communication between pipes 66 and 68 via a channel 74 on the valve 60 thereby disengaging the transmission device. Opening and closing of the valve 60 is adjusted by means of a lock nut 80 on the bolt 78.
Patent GB-1468978-A (GB)
Title: Electromagnetic relays
IPC: H01H51/24
Filed: 1974-08-01
Abstract: 1468978 Electromagnetic relays SIEMENS AG 1 Aug 1974 [20 Sept 1973] 34026/74 Heading H1N A polarized electromagnetic relay has an armature contact changeover switching action with mono- or bi-stable positions depending on the relative reluctance of various magnetic flux paths. In Fig. 1 the armature 1 is elongate with one end freely rolling on a polepiece 2 attached to one pole of a permanent magnet 5 and the other end is electrically and magnetically engageable into a stable switched position with a first mating polepiece 3, there being a second mating polepiece 4 for armature engagement which extends from a core 8 of a winding 10 and a fluxguide element 9. Contact bounce is minimised by magnetically saturating the polepieces which have reduced cross-section at points such as 3a, 4a. In the monostable from flux # 53 from the permanent magnet 5 predominates to bias the armature 1 to the 2, 3 position unless it is overcome by the flux # 54 acting conjointly with energizing flux # 10 from the winding 10. In the bi-stable form a polarized pulse applied to the winding 10 is sufficient to switch the armature from one position to the other, in each of which it is then held by flux from the permanent magnet 5. In a bi-stable embodiment, Fig. 2, the same principle is followed, the armature being U-shaped for mechanical damping and sealed within a switching chamber 33 created by fusing the polepieces 12, 13 and 14 into a glass envelope, the contact components being mercury wetted. To diminish the reluctance of the flux path through the coil 18 a second permanent magnet 22 is provided and a flux guide plate 20 is shaped to lead in to a ferromagnetic cover 21 which has an insulating lining 31 as well as creating a shunt air gap control 23. For further control of the magnetic circuitry a shunt gap 25 for the main magnet 15 is provided by a temperature dependent shunt plate 24, a double diode 34 is provided to suppress voltage surges, and terminals such as 27, 28, 29, 35, 36 anchored through an insulating base 30 serve for making electrical connections. In another bi-stable embodiment (Fig. 3, not shown), but similar to Fig. 2 the second permanent magnet (38) is located outside the coil (18). Both the Fig. 2 and Fig. 3 embodiments can be converted to mono-stable form by reversing the magnetic polarity of the second permanent magnet from that shown.
Patent GB-631650-A (GB)
Title: Improvements in or relating to buffers and draw gear for mine cars, pit tubs and the like
IPC: B61G9/02
Filed: 1947-12-24
Abstract: 631,650. Combined buffer and draw gear. HARRISON & FOSTER, Ltd., HARRISON S., and ODDIE, J. M. Dec. 24, 1947, No. 34103: [Class 103 (v)] A combined buffing and draw unit of the type comprising a pair of buffers 17 slidably mounted in a fixed headstock 16 of channel or U-shaped crosssection, each buffer 17 engaging one end of a leaf-spring 19 of single or laminated construction, is characterized in that the leaf-spring 19 is contained within the cross-section of the fixed headstock 16, and the amount of permitted movement of the buffers is determined by a pin and slot mechanism 21, 22. The centre part of the spring 19 is secured by a buckle 18 to the draw gear, the outward deflection of the spring being limited by stop pins 27.
Patent GB-815661-A (GB)
Title: Improvements in passenger conveyors
IPC: B66B23/14
Filed: 1956-11-08
Abstract: 815,661. Passenger conveyers. HEWITT-ROBINS Inc. Nov. 8, 1956 [Nov. 17, 1955], No. 34142/56. Class 78 (1). A passenger conveyer comprises a continuous, unbroken standing surface in the form of an endless, elastic belt superimposed on a train of closely spaced wheeled platform members to which it is secured at intervals, the platform members being articulated by swivel means allowing the conveyer to flex in both horizontal and vertical planes and to twist. As shown, the belt 15 is pretensioned and secured to each platform 1 by bolts 16 such that the belt edges remain in tension when the conveyer is negotiating a horizontal turn. The platforms are provided at one end with a pair of supporting rollers 3 for engaging tracks 20, Fig. 5, and a guide roller 10 for engaging a guide track 21. A pair of links 4 secured to the underside of each platform extends beyond the end of the platform opposite that of the rollers and its opposite ends comprise ball and socket members 6, 7 respectively by which the platforms are articulated together and which lie on the common transverse axis of the rollers 3. The bail member 6 of the joint is mounted on a pin 5 between the extended ends of the links 4 while the socket member 7 is mounted in a lug 9 welded between the opposite ends of the links 4. The conveyer also comprises side panels 22 and endless hand rails 23. In use, the conveyer may be guided in horizontal curves 45, 47, Fig. 10, and roll-over turns 36, 37, 38 in addition to straight runs, the conveyer being suitably dipped at the entering and leaving points 41, 42 for the passengers for passage beneath the floor and where it is necessary to pass under another run. For the roll-over turns the conveyer is twisted by twisting the guide rails 20, 21 which are supported at intervals throughout the turn by suitable brackets, the brackets 29, Fig. 9, for the vertically guided part of the path where the turn is made being disposed on the inside of the turn so that the belt 15 is on the outside of the turn and remains in tension against the plates. The conveyer is driven at spaced driving stations 50, 51, 52 by endless driving chains 56, Fig. 2, each equipped with dogs 57 engaging between pairs of pins 58 secured between the pairs of links 4 of the platforms 1.
Patent GB-1263723-A (GB)
Title: Co-axial line element
Inventor: DUNCAN WILLIAM JOHNSTONE
IPC: H01R13/646
Filed: 1968-07-18
Abstract: 1,263,723. Coaxial line elements. W. J. DUNCAN, [trading as STANDARD RADIO CO.]. 17 Oct., 1969 [18 July, 1968], No. 34184/68. Heading H1W. An element for insertion in the aerial lead of a television receiver comprises a length of coaxial line terminated at either end with a connector and having a length of single-strand insulated wire coiled around it and electrically connecting the inner and outer conductors. In one construction (Fig. 3), the ends 4a, 5a of a pair of single strand wires 4, 5 are twisted with the inner conductor 8 and a capacitative or conductive connection established depending upon whether or not the insulant has been removed from the wire. The wires pass through the interior of the cable and protrude through the outer insulation at a point near the end of the cable. The two free ends of the wires 4, 5 are soldered to the outer conductor 9 where this is exposed and the resultant double loop wound in bifilar fashion around the end of the cable. In a second embodiment (Fig. 4), a length of wire is looped around the inner conductor at one end of the cable to form a capacitative coupling. The two limbs 10, 11 of the loop pass through the inside of the cable and protrude through the outer insulation at a point a short distance along the cable. The limb 10 is wound around the cable and soldered to the outer conductor at the point 12. The other limb 11 makes one turn around the cable and is wrapped around the limb 10 to make a capacitative coupling 'therewith. In both embodiments the ends of the cable are provided with coaxial connectors and the entire assembly sheathed in a layer of insulant.
Patent GB-447985-A (GB)
Title: The production on the fibre of insoluble azo dyestuffs
IPC: D06P1/12
Filed: 1934-11-28
Abstract: Water-insoluble blue and violet azo dyes are formed on the fibre by coupling a 2 : 3-hydroxynaphthoic arylamide free from watersolubilizing groups with a diazotized 4-hexahydrobenzoylamino-2 : 5-dialkoxyaniline.  In examples: (1) cotton skeins are padded with the anilide of 2 : 3-hydroxynaphthoic acid and developed with the diazotized dimethoxy derivative; (2) cotton piece goods are printed with a paste containing the diazoimino compound from the dimethoxy derivative and piperidine-a -carboxylic acid, the anilide of 2 : 3-oxynaphthoic acid, turkey red oil, caustic soda and starch tragacanth and the colour developed by treating with steam containing acetic acid vapours.  Sarcosine, ethyltaurine, proline and methylglucamine may be used instead of piperidine-a -carboxylic acid and diazo salts may be used instead of the diazoimino compound. Specification 17279/13, [Class 15 (ii)], is referred to.
Patent GB-444345-A (GB)
Title: Improvements in pistons for internal combustion engines, steam engines, pumps and the like
IPC: F16J1/00
Filed: 1935-03-30
Abstract: 444,345. Tools for removing pistons. WILD, C. A., 81, Werneth Hall Road, and MONKHOUSE, A., and MONKHOUSE, W., 27, St. Domingo Street, both in Oldham. March 30, 1935, No. 34373/34. [Class 61 (iii)] [See also Groups XXVI and XXV] A tool for removing an outer sleeve portion of a piston from its cylinder comprises a member c<1> carrying bolts c adapted to screw into holes in the piston head.
Patent GB-1101204-A (GB)
Title: Cementing compositions
Inventor: BRYANT PATRICK SAMUEL
IPC: C04B24/26
Filed: 1965-08-12
Abstract: A copolymer, for use in cement compositions (see Division C1) comprises (a) vinylidene chloride, (b) acrylonitrile and (c) a monoethylenically unsaturated carboxylic acid wherein at least 65% by wt. of the units are derived from (a), 11 to 30% from (b) and 0.5 to 5% from (c). The monoethylically unsaturated acid is preferably acrylic or methacrylic acid.  The copolymer may be prepared in aqueous dispersion in the substantial absence of emulsifiers but when conventional emulsifiers are used a non-ionic surface-active agent, e.g. an alkyl phenyl ether of a polyoxyethylene glycol may be added in an amount of 0.5 to 10% by wt. based on the weight of the copolymer.  A silicone defoaming agent may also be present.  In the examples, ammonium persulphate is used as catalyst.ALSO:A cement composition comprises an hydraulic cement, e.g Portland or plaster of Paris, optionally aggregates, and 5-40% by weight, based on the weight of the cement of a copolymer of (a) vinylidene chloride, (b) acrylonitrile, and (c) a monoethylenically unsaturated carboxylic acid, said copolymer containing at least 65% by weight of units derived from vinylidene chloride, 11 to 30% of units derived from acrylonitrile and 0.5-5% by weight of units derived from said monoethylenically unsaturated carboxylic acid which may be acrylic, methacrylic, vinyl acetic, crotinic acid or a polycarboxylic acid such as maleic, fumaric, itaconic, aconitic, citraconic and mesaconic acid.  The copolymer may be added to the cement in the form of an aqueous dispersion which may be prepared in the absence of an emulsifier.  A non-ionic surface active agent in amount 0.5 to 10% by weight may be added as stabilizer, e.g. alkyl phenyl ether of a polyoxyethylene glycol and a silicone-defoaming agent may also be present.  The aggregates may be sand, lime or gravel.
Patent GB-1363281-A (GB)
Title: Electronic mechanical apparatus for the selection of needles in flat-bed knitting machines in the making of jacquard knitted fabrics
IPC: D04B15/66
Filed: 1971-07-22
Abstract: 1363281 Knitting-machines R PROTTI A PROTTI and U PROTTI [trading as PROTTI FABBRICA MACCHINE PER MAGLIERIA SNC DI UMBERTO PROTTI E F LLI 22 July 1971 [25 July 1970] 34533/71 Heading D1C In a flat V-bed machine needles are selected at the dictates of a pattern set out in a panel 13. The panel comprises perforations, each of which represents a needle, set out in rows corresponding to courses in the pattern. Pins can be inserted in the perforations as required. Alternatively the panel comprises an array of switches. The panel selectively actuates banks of electromagnets 10a, 10b either side of a symmetrical stitch cam. Actuated magnets push raise cams 8a into the path of selector jack butts 5a set out in a staggered arrangement. To determine which jack it may be necessary to select, the position of the carriage is sensed by a position reader 18 and counter 19. A course counter 20 is also provided. Output from the panel is fed to the electromagnets via a selector 22.
Patent GB-169405-A (GB)
Title: Process for the manufacture of solid plastic material from casein
Filed: 1920-12-07
Abstract: Casein or milk curd is soaked in a mixture of glycerine and water, and the whole is then heated to a temperature not exceeding 175 DEG F. until a tough mass is obtained.  Colouring matter is added just before the casein particles begin to cohere.  The mass is then moulded under pressure at ordinary temperature, and allowed to dry naturally, after which the moulded articles are soaked in a solution containing formaldehyde, glycerine, calcium chloride and water, with or without acetone.  After drying the material may be sawn, turned, drilled &c. into buttons, combs, knife handles &c.
Patent GB-1479724-A (GB)
Title: Founding of maritime structures
IPC: E02B17/02
Filed: 1973-07-20
Abstract: 1479724 Subaqueous foundation REDPATH DORMON LONG (NORTH SEAL Ltd 19 July 1974 [20 July 1973] 34679/73 Heading E1H A foundation raft 101 has an open ended downwardly facing chamber 218 and movable closure plate 219 is able to alter the capacity of the chamber. Particulate material can be removed from chamber 218 by water jets, as in the embodiment shown at arrow X, to an upper chamber. As shown plate 219 is supported by cables 221.
Patent GB-1157031-A (GB)
Title: Method of preparing Yarn or the like of Collagen Fibre from Split Hide Pelts
Inventor: OKAMURA HIROSHI
IPC: D06L1/14
Filed: 1967-07-28
Abstract: 1,157,031. Obtaining collagen fibre from hide. H. SATO. 28 July, 1967, No. 34791/67. Heading D1F. A method of manufacturing yarn of collagen fibre by treating a split pelt obtained from the shoulder and belly portions of timed hide comprises after-liming the split pelt, subjecting the after-limed pelt to enzyme treatment, beating the enzyme treated pelt, opening the beaten pelt to obtain collagen fibre and spinning the fibre into yarn. The fibres may be treated with improving agents e.g. chrome complex salts, aluminium salts of high basicity, vegetable or synthetic tannins or aldehydes, and carded before spinning. Alternatively, the yarn may be treated with improving agents after spinning. In a preferred form of the method, the pelt is after-limed for 8 days, 40 protease units/gram of protease is added to the aftar-limed pelt for the enzyme treatment, the pelt is dried after the enzyme treatment and the dried pelt is aged for 1-2 weeks in a humid atmosphere before beating. The yarn produced may be woven or knitted.
Patent GB-831021-A (GB)
Title: Power operated window regulators
IPC: E05F11/38
Filed: 1957-11-08
Abstract: 831,021. Window operating apparatus. HUPP CORPORATION. Nov. 8, 1957 [Nov. 21, 1956], No. 34842/57. Class 20(3) In a power operated window regulator the main mounting plate 22 carries a gear sector 30 which is connected directly or through an intermediate link to a linkage for raising or lowering the window, and is so shaped that a lower mounting plate 24 having an area shaped complementarily may be secured to the main mounting plate in a number of different positions to allow for left- or right-hand mounting &c. As shown the lower mounting plate has an annular part 90 which is invariant relative to the main plate 22 on turning the lower plate through about 180 degrees clockwise from the position shown. A cover 28 for reduction gearing from the motor 26 which is secured to a flange 94 is pressed out from the lower mounting plate. The plates are spot welded together. In a modification a die cast lower mounting plate is described which is bolted to the main plate. Specification 692,134 is referred to.
Patent GB-1155934-A (GB)
Title: New petroleum resins.
Inventor: BROCA JACQUES
IPC: H02P3/08
Filed: 1967-07-28
Abstract: 1,155,934. Petroleum resins. ESSO RESEAKCH & ENG. CO. 6 June, 1968 [28 July, 1967], No. 34855/67. Addition to 1,151,670. Heading C3P. Petroleum resins obtained by polymerizing a steam cracked naphtha boiling below 70‹ C. in the presence as catalyst of (a) aluminium halide, (b) hydrogen halide and (c) an aromatic hydrocarbon as described in the main Specification are subjected tocatalytic hydrogenation at elevated temperature and pressure, e.g. using nickel, molybdenum sulphide or copper chromite at 100-5000 p.s.i.g. and 100-750‹ F. The resin may be melted or dissolved in a hydrocarbon.
Patent GB-805746-A (GB)
Title: Improvements in or relating to the dyeing of animal fibres
IPC: D06P3/14
Filed: 1956-11-14
Abstract: In examples: (1) 1 : 2 : 4-triaminobenzene is prepared by reducing 2 : 4-dinitroaniline; (2) 1-(b -hydroxy ethyl) amino-2 : 4-diaminobenzene is prepared by refluxing 1-chloro-2 : 4-dinitrobenzene with monoethanolamine and neutralizing to precipitate 1-(b -hydroxyethyl)amino-2 : 4-dinitrobenzene, which is then reduced; (3) 1-(b -hydroxyethyl)amino - 3 : 4 - diaminobenzene is prepared by reducing 1-(b -hydroxyethyl)-amino-3 - nitro - 4 - aminobenzene; and (4) 1 - (di - b  - hydroxyethyl)amino - 3 : 4 - diaminobenzene is prepared by reducing 1 - (di - b  - hydroxyethyl)-amino-3-nitro-4-aminobenzene.ALSO:Animal fibre, e.g. hair, is dyed with oxidation dyes by applying an aqueous solution of a compound of the formula <FORM:0805746/IV (c)/1> wherein R and R1 are the same or different and each represents an hydrogen atom or a b -hydroxyethyl radical and X represents a primary amino group, allowing the compound to oxidize on the fibre and finally rinsing. Oxidation may be accelerated by the use of a peroxide, e.g. hydrogen peroxide. The compound may be employed in the form of a salt, e.g. a sulphate, and the pH of the solution is preferably adjusted to 6-8 with an alkali such as ammonia.  Examples are given.