baber/WOPTO huggingface dataset:
Patent GB-1381371-A (GB)
Title: N-acyl methionine
IPC: C07C/
Filed: 1972-05-24
Abstract: 1381371 Resolving N - acyl - methionines DEUTSCHE GOLDUND SILBER-SCHEIDEANSTALT 24 May 1972 [27 May 1971] 24458/72 Heading C2C N-acyl-D-methionine and/or N-acyl-L-methionine are obtained from mixtures thereof by fractional crystallization of their diasteriomeric salts formed with D- or L-lysine, followed by treatment with an acid to split off the D- or L- lysine. For obtaining the N-acetyl and N- formyl-D isomers, crystallization is preferably effected at + 40‹ to + 70‹ C. with D-lysine and at - 5‹ to +30‹ C. with L-lysine; and viceversa for obtaining the L-isomers. The crystallization may be carried out in solutions of methanol, ethanol or isopropanol, which may be mixed with water, preferably in the presence of seed crystals of the desired isomer. The lysine salts may be passed through an acid ionexchanger or treated with alcoholic HCl solution, to split off lysine, which may be recovered and reused. To obtain one isomer only, the solution remaining after the first crystallization is racemized, and the process repeated. The N-acyl derivatives may be converted into D or L-methionine by treating with HCl. The acyl groups may be derived from aliphatic C 1-4  carboxylic acids, aromatic carboxylic acids, e.g. benzoic or nitrobenzoic, or sulphonic acids, e.g. benzene- or p-toluene-sulphonic acid.
Patent GB-1194862-A (GB)
Title: Olefin Sulphonate Detergents
IPC: C11D1/14
Filed: 1967-05-30
Abstract: 1,194,862. Alkenyl sulphonates. COLGATEPALMOLIVE CO. 30 May, 1967 [31 May, 1966], No. 24863/67. Addition to 1,166,857. Heading C2C. [Also in Division C5] An olefin sulphonate is produced by reacting sulphur trioxide and an olefin feedstock in about 1: 1 molar ratio. The olefin feedstock contains about 88% of terminally unsaturated straightchain olefins having an average molecular weight of 230 and an average chain length of 15-18 carbon atoms (C 15  24%; C 16  29%; C 17  30%; C 18  17% approximately) and has a boiling range at atmospheric pressure of 265-300 C. (with 11% residue). The acid mix thus obtained is treated with oleum under non-hydrolysing conditions and finally neutralized with aqueous dilute sodium hydroxide.
Patent GB-532428-A (GB)
Title: Improvements in and relating to carburettors for internal combustion engines
IPC: F02D9/00
Filed: 1939-08-30
Abstract: 532,428. Spray carburetters. SOC. GENERALE DES CARBURATEURS ZENITH. Aug. 30, 1939, No. 24899. Convention date, Sept. 1, 1938. [Class 7 (iii)] A carburetter receiving air from a supercharger is provided with means for varying the richness of the mixture by a manometric device subjected to atmospheric pressure or to the pressure in the supercharger intake, and arranged to come into action when the said pressurefalls below a predetermined value, or when the aircraft has reached a rated height. A valve 18 controlling the flow of fuel from a float chamber- 6 to the nozzle 4 is acted on by a capsule 14 in a chamber 15, the float chamber being subjected to supercharger pressure by a pipe 9. The chamber 15 is shown connected by a pipe 16 to the intake 3 of the supercharger 2. The means whereby the capsule does not adjust the richness until the rated altitude is reached, may comprise the provision of lost motion between the capsule and the end 21 of the valve 18, as shown in Fig. 1, or the valve may be formed with a cylindrical portion which does not alter the richness during the initial movement of the capsule ; or the needle valve 18 may be replaced by a sliding tube with perforated walls, or be actuated by a cam with a circular inactive portion. In a modification, Fig. 2, the float chamber is subjected to a vacuum through a passage 30 which is controlled by a valve 31 actuated by the capsule, the pipe 9 having a calibrated orifice 27. The valve 31 may also be formed with a cylindrical portion, or be replaced by a perforated tube. A relay device may be interposed between the capsule and the fuel-control valve.
Patent GB-747247-A (GB)
Title: Improvements in or relating to circular knitting machines
IPC: F16H55/18
Filed: 1954-08-27
Abstract: 747,247. Knitting-machines. MORETTA, G. Aug. 27, 1954 [April 7, 1954], No. 24902/54. Class 74 (2). The drive from the drum 2 supporting the needle cylinder 1 of a circular machine to the welt dial 13 is through spur gearing 3, 4 and bevel gearing 6, 7, 10, 11, spur gear 4 comprising an upper half 14 and a lower half 15 concentrically disposed and relatively angularly adjustable so as to enable any backlash occurring between the gears due to wear to be taken up by adjusting the two halves of the gear 4. The drive at the head of the machine may be transmitted through spur gears, some of which may be constructed similarly to the gear 4 to allow for wear between the gears.
Patent GB-607301-A (GB)
Title: Improvements in heat exchangers
IPC: F28D9/00
Filed: 1945-09-26
Abstract: 607,301. Plate heat-exchangers. SOC. ANON. DES USINES CHAUSSON. Sept. 26, 1945, No. 25018. Convention date, July 29, 1943. [Class 64(iii)] A heat-exchanger for heat-exchange between two fluids, particularly for use as a motor-vehicle radiator, comprises a casing divided into passages 7, 8 by a wall 6 which is substantially flat near the fluid inlets 3, 5.and outlets 4, 2 and intermediately has longitudinal corrugations of amplitudes increasing towards the centre, where a maximum amplitude in reached, as shown diagrammatically by the broken lines in Fig. 1. Each passage has a constant crosssectional area throughout its length, equal to that of the respective inlets and outlets thereto, but the cross-sectional areas of the respective passages may be different. The walls 6, which may be composed of separate elements 9, may be formed with transverse folds 10, Fig. 5, or fins 12, 13 may be attached to the wall as shown in Fig. 6.
Patent GB-411001-A (GB)
Title: Double-row magazines for rim cartridges
IPC: F41A9/69
Filed: 1933-09-09
Abstract: 411,001. Cartridge-magazines for smallarms. WAFFENFABRIK SOLOTHURN AKT.-GES., Solothurn, Switzerland. Sept. 9, 1933, No. 25025. Convention date, Aug. 17. [Class 119.] To prevent the rims of the cartridges catching behind one another during the feed, a doublerow box magazine has its mouth formed with control devices which impart to the base of the front cartridge x Fig. 2, a lateral swinging movement outwards from the plane of its row and the centre plane of the magazine. In the construction shown, the side walls of the magazine have a construction a<3>, Fig. 3, near the cartridge tips and a widening a2 near the cartridge bases, such devices being at a distance from the magazine mouth equal to about the thickness of three cartridges. The front and rear narrow walls of the magazine are forwardly inclined at a<4>, a<5>, the incline a<5> giving a forward thrust to the cartridges at the mouth.
Patent GB-660107-A (GB)
Title: Improvements in or relating to electron velocity modulation discharge devices
IPC: H01J25/12
Filed: 1947-09-12
Abstract: 660,107. Velocity-modulated tubes. STANDARD TELEPHONES & CABLES, Ltd. Sept. 12, 1947 [Sept. 22, 1945], No. 25063/47. Class 39 (i). Velocity - modulation apparatus comprises electrostatic means for projecting a convergent beam of electrons through a buncher gap, a drift tube, and a catcher gap, the gaps being formed in separate resonators 6, 7, Fig. 1, or in a single coaxial line resonator 20, Fig. 2, the beam converging to a cross-over at the second gap 5 or 26 and the drift tube 4 or 2 being conical, Fig. 1, or pear-shaped, Fig. 2, such that the drift tube is narrower at the catcher gap than at the buncher gap. The capacity of the catcher gap is thus less than the capacity of the buncher gap. In Fig. 1 the beam 3 is annular and is focused by cylinder 2. In Fig. 2 the pear-shaped drift tube 21 forms the central conductor of the coaxial line resonator and is carried from the outer wall 20 by members 27. The drift tubes need not be of circular cross-section. Specification 580,081 is referred to. The Specification as open to inspection under Sect. 91 states that the annular cathode 1 of Fig. 1 has a low emission coefficient but a large surface area to give the required total emission; its life is consequently longer than that of a small cathode with a high emission co-efficient. This subject-matter does not appear in the Specification as accepted.
Patent GB-797074-A (GB)
Title: Improvements in or relating to the indication of readings of measuring instruments
IPC: G01D13/00
Filed: 1954-08-30
Abstract: 797,074. Indicating-apparatus. CITROEN, A. Aug. 30, 1954 [Nov. 26, 1953], No. 25097/54. Class 106 (4). [Also in Group XX] A light source is placed on the rotational axis of a mirror of an optical pointer and a parabolic or cylindrical stationary mirror has its generatrices slightly offset with respect to the axis of rotation and the beam reflected therefrom has a constant direction. The observation screen is formed on the side of a transparent internally reflecting block 4. Prefer. ably, the rotatable mirror is formed on the hypotenuse side of a right-angle prism 2 having a convexly curved lower side to form an image light source 3. A speedometer 1, having the optical pointer, may be installed in the instrument panel of a land, sea or air vehicle. Specification 626,698 is referred to.
Patent GB-281058-A (GB)
Title: Improvements in the manufacture and production of artificial silk and in apparatus therefor
IPC: D01D5/04
Filed: 1926-10-11
Abstract: 281,058. Courtaulds, Ltd., Wood, F. T., and Turney, E. G. Oct. 11, 1926. Apparatus for making filaments.-Relates to means ior maintaining uniform the evaporation conditions in a series of cells or chambers constituting the units of a plant for dry-spinning artificial silk. The chambers are provided with heating elements of practically the same construction, and the heating-elements are connected in parallel to one main supply and one main exhaust, and the supply of hot water or other heating-liquid is so ample and so rapid through the elements that there is only a slight drop of temperature during such passage; and air is drawn through each chamber by means of an aspirating-system which is very large in comparison with the quantity of air to be withdrawn, the outlets from the chamber being provided with regulating devices, interchangeable but not individually adjustable, the same for all the chambers and proportioned so as to permit the requisite small quantities of air to pass into the aspirating-system. The regulating device conveniently comprises a plate of definite thickness in which is bored a hole of a definite diameter, and when an adjustment is required, it is necessary only to replace the plate with another having a hole of a different size or the plate may be provided with a succession of holes of different diameters, any one of which holes may be brought into position by a suitable movement of the plate.
Patent GB-977110-A (GB)
Title: Compositions for producing ferrite bodies
IPC: C04B35/26
Filed: 1963-06-26
Abstract: 977,110. Magnetic storage apparatus. INTERNATIONAL BUSINESS MACHINES CORPORATION. June 26,1963 [June 29, 1962], No. 25350/63. Heading H3B. [Also in Division H1] A crossed tube ferrite array is made by coating a ferrite material (see Division H1) on to a rayon fibre coated with polyethylene wax, winding the coated fibre on a former and heating to drive off the organic constituents and sinter the ferrite. Alternatively platinum wires may be used in place of the rayon, so that the platinum wires serve as conductors in the finished array.
Patent GB-1115331-A (GB)
Title: Bowling pin
IPC: A63D9/00
Filed: 1965-06-16
Abstract: A bowling-pin having a cavity or cavities arranged concentrically around its vertical axis is made of a polymeric material, e.g. polythylene, polycarbonates, cellulose esters, polyformaldehydes, polyamides, ABS plastics, modified acrylics, ethyl cellulose, polypropylene or phenoxy resins.  In the preferred embodiment the pin is made of a high-density polythylene concentrate containing pigments and a filler, e.g. titanium dioxide, mixed in the ratio of 1:10 with a high density polyethylene.
Patent GB-1495206-A (GB)
Title: Conveyor system
IPC: B65G23/44
Filed: 1975-06-13
Abstract: 1495206 Conveyer in a processing chamber YAMAKYU CHAIN KK 13 June 1975 [26 Oct 1974] 25431/75 Heading B8A A conveyer in a processing chamber 1 comprises an upward spiral section 2a leading from an input conveyer 7 and connected to downward spiral section 2b from which processed articles pass to a discharge conveyer 8. Each spiral section comprises a vertical series of drive sprockets 21 spaced from a corresponding series of driven sprockets 4. Each of the latter are mounted in a slideway (Fig. 3) against the pressure of springs 53 adjustable by screws 56. Slats 61 are secured to respective chain brackets 64 (Figs. 6 and 7) and carry plastics slide elements 66 and 67 which run on guide rails 62 and 63.
Patent GB-721137-A (GB)
Title: Improvements in and relating to chairs and the like
IPC: A47C7/20
Filed: 1953-09-15
Abstract: 721,137. Cushions. HELLER, M. Sept. 15, 1953, No. 25433/53. Class 52 (4). The backs of chairs, settees, &c., comprise a frame a having a resilient surface of tensile springs b and a cushion doubled over the frame a and springs b so that the top part d rests on the uppermost spring b while the front c and back e hang over adjacent the front and rear faces respectively of the frame a. Press buttons f &c. may be.provided for securing the cushion in place and, in a modification, the front part c may be prolonged to rest on the seat frame.
Patent GB-866320-A (GB)
Title: Improvements in or relating to electrical apparatus for providing a measure of the standing wave ratio in an electro-magnetic wave transmission means
Inventor: THOMASON JOHN AUSTIN
IPC: G01R27/06
Filed: 1956-08-20
Abstract: 866,320. Current and voltage measurements. GENERAL ELECTRIC CO. Ltd. Nov. 8, 1957 (Aug. 20, 1956], No. 25444/56. Class 37. Apparatus to determine the standing wave ratio in electromagnetic transmission means 3 comprises: first means 9 for deriving a signal dependent in amplitude upon an incident wave propagated along the transmission means; second means 10 for deriving a signal dependent in amplitude upon the reflected portion of the incident wave; and third means 13 which is set to bring the amplitude of one signal into a given relationship with that of the other, whereby the setting of the third means provides the required measure of the standing wave ratio. Klystron oscillator 2, modulated by a 3 kc/s. square wave frequency, is coupled to waveguide 3, wave-guide 4 which is under test, wave-guide 5 and matched load 6; the characteristics of wave-guides 3 and 5, and of matched load 6 being such that standing waves produced in wave-guide 3 depend solely upon the reflection characteristics of wave-guide 4. Direc. tional couplers 9, 10 each comprising two arms, one of which is terminated by a matched load 11, 12, are selectively coupled by wave-guide switch 14 to a coaxial cable 16; and the resulting signal, demodulated by rectifier 17, is selectively amplified at 18 and fed to meter 19. The coupler 9 derives a signal from that transmitted by oscillator 2; the coupler 10 derives a signal from that reflected by wave-guide 4; and these signals are equalized in amplitude by appropriately setting attenuator 13; equality being indicated by identical readings of meter 19 for either position of the switch 14; and the required setting providing a measure of the standing wave ratio in wave-guide 3. The frequency of oscillator 2 is adjustable and is measured by cavity wavemeter 8; and attenuator 7 enables the energy output of the oscillator to be varied. Specification 866,321 is referred to.
Patent GB-225979-A (GB)
Title: Improvements in or relating to terminals for electric cables
IPC: H01R4/50
Filed: 1923-10-13
Abstract: 225,979. Tyers, W. A. E. Oct. 13, 1923. Cable and wire terminals.-In a terminal for a stranded cable a screw threaded stem 4, integral with or attached to the terminal member, takes a plain bearing in a sleeve 1 and is provided with shoulders 6 which may be pressed from the material of the sides of the stem. These shoulders mav engage the end of the sleeve so as to press it on to the cable, the stem at the same time moving along the longitudinal axis of the cable.
Patent GB-467486-A (GB)
Title: Improvements relating to undercarriages for aircraft
IPC: B64C25/00
Filed: 1935-09-14
Abstract: 467,486. Aircraft alighting - gear. FAUDI, F., (trading as FAUDI, F.. [Firm of]). Sept. 14, 1935, No. 25579. Convention date, Jan. 28. [Class 4] In aircraft alighting-gear the landing wheels or other landing devices are carried at the lower ends of outwardlyinclined shock-absorbing struts each comprising end parts 3, 5 capable of a shock-absorbing movement with respect to a middle part 1, and each upper end part 5 is pivoted at its upper end to the aircraft, and each middle part 1 is guided to cause the strut to move outwards on occurrence of shock ; and each end part 3 carrying the landing device being adapted to move with respect to the middle part 1 so that the landing device is able to move in a plane parallel to the plane of symmetry of the aircraft. The guide means comprises a pair of struts 8, only one of which is shown, pivotally connected to a fixed part of the aircraft at 10 and to part 1 at 7. As shown, the shock absorbing device comprises a cylinder divided into two parts by a partition 2, the two parts being equal or unequal in length, and two pistons. The shock absorbing means may be air, oil, indiarubber or helical springs, and the force displacement curves of the upper and lower sets may be arranged either to ensure that constant track is obtained automatically or to give the ground contacting element a tendency to move outwards in order to reduce the bending forces in the strut.
Patent GB-807569-A (GB)
Title: Improvements relating to heat pumps
Inventor: MARSHALL FREDERICK GEORGE
IPC: F25B39/02
Filed: 1956-08-22
Abstract: 807,569. Refrigerating. V. D. M. SPINNERS Ltd. Aug. 19, 1957 [Aug. 22, 1956], No. 25610/56. Class 29 In a heat pump, the evaporator 1 is housed in a casing 2 scured or adapted to be secured to the outside wall of a building containing the heat pump and having vents 8a, 8b for the passage through the casing of a fluid, e.g. air from the cavities 12 in the walls of the building, comprising the heat source of the pump. The air may be drawn through ventilating apertures 13 directly from a room of the building, preferably the kitchen. The wall 5 of the casing may be of glass, and the evaporator coils blackened to absorb radiant heat. A drain 9 is provided for condensed moisture and the casing may include a fan.
Patent GB-270365-A (GB)
Title: Improvements in or relating to spring mattresses for beds or the like
IPC: A47C23/053
Filed: 1926-07-14
Abstract: 270,365. Edginton, A. E., (Knippenberg, A.). July 14, 1926. Mattresses. - Rows of vertical upholstery springs 6 have their upper coils connected by longitudinal chains 13 consisting of doubled portions alternating with singled portions, the doubled portions being adapted to be opened out into diamond formation and connected to the springs. Chains 14 passing diametrically over the springs in a longitudinal direction are also provided. Leather or other noiseless packing 20 is inserted in the chain links .at the points of connection to the springs, and helical springs 12, 12<a> may be used to connect the chains to the end bars.
Patent GB-251174-A (GB)
Title: Improvements in sweeping appliances
IPC: A47L11/33
Filed: 1925-10-15
Abstract: 251,174. Harvey, C. J., and Hamilton, A. Oct. 15, 1925. Carpet-sweepers.-A carpet-sweeper comprises a casing 1, dust-pan 7 and rotary brush 13 which may be formed of bristles mounted as described in Specification 253,802, [Class 8 (i), Air and gases, Compressing &c.]. The brush is preferably rotated solely by movement of the sweeper. The bristles are carried tangentially or radially or at some intermediate position, and yield when contacting with the carpet, the resiliency of the bristles flicking the dust into the pan. A strip 10 of sponge rubber or other material is carried in a recess in the pan. The brush is held in position by a wire yoke member 19.
Patent GB-674053-A (GB)
Title: Improvements in and relating to hydraulic power transmissions
IPC: F16H39/14
Filed: 1948-10-05
Abstract: 674,053. Silencing gaseous currents. VICKERS, Inc. Oct. 5, 1948 [Oct. 14, 1947], No. 25931/48. Class 7(ii) [Also in Groups XXVIII and XXIX] Sound absorbing material 174 on the inside of a protective sheetmetal casing 22 surrounding the body 14 of a hydraulic power transmission device silences the noise of a cooling air stream drawn through the space 168 by a fan 156 carried by the input shaft 26.
Patent GB-202194-A (GB)
Title: Improvements in or relating to continuous heating furnaces
IPC: F27B9/02
Filed: 1922-09-26
Abstract: 202,194. Rushen, P. C., (Fitch, W. H.). Sept. 26, 1922. Drawings to Specification. Regenerators.-In a tunnel furnace in which the air for combustion is heated in pipes in the waste gas flues, the air is forced to flow in contact with the walls of the pipes by rods fitted axially therein.
Patent GB-462056-A (GB)
Title: Improvements in apparatus for directional illumination
IPC: F21S8/00
Filed: 1935-09-19
Abstract: 462,056. Lamps for directional illumination. GENERAL ELECTRIC CO., Ltd., and BEGGS, S. S. Sept. 19, 1935, No. 25984. Addition to 360,664. [Classes 75 (ii) and 75 (iv)] Light from a linear source 1 is directed into preferred planes parallel to the source by reflectors 3 which are above the source and form the main directing elements, and one or more glass strips 4, 4<1> which have on their inner or outer faces refracting prisms with their edges parallel to the light source and intercept light passing from the source in directions just below the edges of the reflectors. Additional refractors such as 6, 7 may be provided. A trough encloses the apparatus. This trough may be plain, as indicated at 5, or the refractor 7 may form part of it. The surface of the trough may be slightly diffusing where it is not cut into prisms. The strips 4, 4<1> and the refractor 6 may be part of a glass cylinder surrounding the source. British Specifications 360,664 and 421,663 and U.S.A. Specification 1,941,079 are referred to.
Patent GB-441992-A (GB)
Title: Improvements in and relating to electric ironing or pressing machines
IPC: D06F71/02
Filed: 1935-09-19
Abstract: 441,992. Ironing-presses. BRITISH THOMSON-HOUSTON CO., Ltd., Crown House, Aldwych, London. Sept. 19, 1935, No. 25992. Convention date, Sept. 20, 1934. [Class 138 (ii)] The head 2 of an ironing- press is mounted on a carriage 19 and is drawn forward manually into registration with the buck 1. The head is lowered into pressing engagement with the buck by the manuallycontrolled rotation of a shaft 28 journalled in the carriage and carrying an eccentrically disposed roller 31 which coacts with a rib 32 formed on the head. When in the pressing position the eccentric roller is past dead centre position and in order to prevent a too rapid separating movement of the press members and of the lever which rotates the shaft 28 on release of the latter a speed responsive clutch is arranged between the shaft and the carriage. The clutch comprises a cylindrical surface 43, Fig. 5, secured to the carriage within which the shaft rotates. The latter is formed with a wedge-shaped recess 45 in which a ball 46 is housed. A pin 47 projects from the shaft into the recess. When the shaft is rotated clockwise from the inoperative position shown in full lines to the pressing position shown in dotted lines, the pin moves the ball upwardly. On release of the pressure the shaft rotates counterclockwise and the pin tends to run away from the ball which then becomes wedged and slows up the movement of the shaft. The pressure exerted is adjusted by rotation of a screwed pin 9 into or out of a threaded socket in the under surface of the buck, a coil spring 11 being provided around the pin 9. The head is guided in its vertical movement by ears 40 which engage the shaft 28.