baber/WOPTO huggingface dataset:
Patent GB-327948-A (GB)
Title: Improvements in or relating to machines for grading and splitting, fleshing or similarly treating sheet material, such as leather
IPC: C14B1/14
Filed: 1928-11-12
Abstract: 327,948. British United Shoe Machinery Co., Ltd., (United Shoe Machinery Corporation). Nov. 12, 1928. Splitting-machines.-In a machine for grading i.e. grade marking, sorting or indicating to an operator, and splitting leather or other sheet material, means is provided for splitting a thin uniform thickness from the flesh side of the stock. In the machine of the type described in Specification 17808/09 a roll 5 feels the thickness of the workpiece and on rising sets a ratchet wheel 13 according to the minimum thickness of the workpiece which controls the setting of a marking wheel 47 and wedges 63. The wedges 63 control the lift of a roll 32 cooperating with a roll 33 and a splitting knife. The lower roll 33 is adjusted from a wheel 59 and worm gearing 56, 57 according to the thickness of the flesh which is to be removed. To bring the roll 33 into parallelism with the knife the worm 57 is slid out of engagement with its co-operating worm wheel, the wheel 59 is adjusted, and the worm 57 is re-engaged. If the stock is to be graded from its extreme forward end a toothed wheel 66 and a cam 76 is set almost in engagement with a lever 72. When the actuating lever 18 is depressed by the lower roll 5 a rocker shaft 64 permits an arm 65 to swing to engage the wheel 66 with a wheel 67 on the upper roll 4 and the cam 76 depresses the lever 72 raising a rod 10 through a pin 71 allowing thinness measuring pawl 12 to operate. This same movement through a screw 75 allows a lever 25 to drop and close the gate. As the gate falls it locks the wheel 13 by a pawl 19.
Patent GB-506535-A (GB)
Title: Manufacture of artificial structures from solutions of cellulose in ammoniacal copper oxide solutions
IPC: D01F2/04
Filed: 1937-11-30
Abstract: 506,535. Artificial silk &c. I. G. FARBENINDUSTRIE AKT.-GES. Nov. 30, 1937, No. 33057. Convention date, Jan. 11. Addition to 486,866. [Class 2 (ii)] The process described in the parent Specification for obtaining artificial filaments and like materials of mat lustre is modified by using cuprammonium-cellulose solutions instead of viscose. The substance added to the spinning solution is a liquid residue which 'has been obtained in the production of alcohols or conversion products of alcohols by catalytic hydrogenation of oxides of carbon, and which has been subjected to a further hydrogenation, preferably catalytic hydrogenation. The hydrogenated liquid residue employed has a boiling point between 140 and 350‹ C. The residue may be added to the spinning solution directly or in the form of an emulsion, or it may be added in the course of the production of the spinning solution. A proportion of less than 5, per cent of the hydrogenated product calculated on the weight of the spinning solution is sufficient to give a mat lustre to the filaments. Specification 478,027, [Group VII]; is referred to.
Patent GB-1201725-A (GB)
Title: A starting circuit for a single-phase asynchronous motor
IPC: H02P1/44
Filed: 1968-07-11
Abstract: 1,201,725. Control of A.C. motors. DANFOSS A.S. 11 July, 1968 [19 Aug., 1967], No. 33166/68. Heading H2J. To improve the torque provided by a singlephase asynchronous motor having a PTC resistor in series with the starting winding, a capacitor is connected in parallel with the resistor. The low resistance of the cold PTC resistor first acts as a starting resistance and then when warm the resistor virtually switches the starting circuit to pure capacitance. An ohmic resistor may be in series with the PTC resistor to protect the latter.
Patent GB-190150-A (GB)
Title: Improvements in rotary engines or pumps
IPC: F01B3/00
Filed: 1922-12-06
Abstract: 190,150. Soc. Anon. des Moteurs E. LaÔge, (Assignees of LaÔge, E.). Dec. 8, 1921, [Convention date]. No Patent granted (Sealing fee not paid). Valves; valve-gear. - A revolving-cylinder engine comprises a rotor carrying a number of cylinders c arranged round the axis of rotation, and double-ended pistons d working in the cylinders and provided with projections d<2> running in a cam track d<3> on the fixed casing a. Adjacent to each cylinder c is a small cylinder h communicating therewith by a port o controlled by a hollow piston valve i. The valve is reciprocated by a projection i<1> engaging a cam track j on the casing a. When the valve is in its outer position, fluid enters the cylinder c by ports p, q in the valve and the port o. Projections on the pistons d slide in guides g and prevent rotation of the pistons in the cylinders.
Patent GB-413940-A (GB)
Title: Improvements in or relating to radio navigational systems
IPC: G01S1/42
Filed: 1933-11-29
Abstract: 413,940. Directive wireless signalling. TELEFUNKEN GES. FUR DRAHTLOSE TELEGRAPHIE, 12, Hallesches Ufer, Berlin. Nov. 29, 1933, No. 33483. Convention date, Nov. 29, 1932. [Class 40 (v).] For landing aircraft, more than two differently characterized radiations on the same wavelength are transmitted from approximately a common point being directed into different sectors, such that a guide line is defined by the locus of points in which all the radiations give the same received strength or in which equal received strength is given by both radiations of one pair and also by both radiations of at least one other pair. In one embodiment one pair of radiations are emitted to the left and right of a vertical plane c, Fig. 1, while another pair are emitted above and below an inclined plane f, defining a landing line G along which all radiations are received at equal strength. The radiations may be keyed by a common rotating switch drum which is arranged to produce a characteristic Morse-like signal in each quadrant defined by the two planes and by superposition a still further characteristic signal on the line G, (Figs. 2, 2a and 2b not shown). Instead of using fixed beams of radiation a single beam may be swung into different positions, each position being provided with different characteristic modulation. The beam may be generated by a radiator at the focus of a reflector and rotated by movement of the reflector, or the radiator round the focus of the reflector. Alternatively if the beam is produced by an array of dipoles it may be swung in space by the switching-in in sequence of said dipoles. In either case the movement is effected without change in the plane of polarization of the waves. The axis of the beam may generate a conical surface, each 90‹ of its revolution being characterized by a different modulation frequency, the receiver having filters corresponding to said frequencies and energizing lamps o, r, u, l, Fig. 3a, arranged behind an annular opal glass strip and oriented about a point g in the same way as the correspondingly energized beams are oriented about the landing line G, Fig. 1. The pilot endeavours to keep all the lamps equally illuminated, his instructions being to "fly from the brightest part to the centre." This instruction may be reversed by turning the lamps through 180‹ round the point g. To avoid flicker, the lamps may have sufficient heat inertia or the beam rotated at sufficient speed.
Patent GB-1159561-A (GB)
Title: Improvements in a Method and Apparatus for the Extrusion and Spreading of Foamed or Cellular Thermoplastic Materials into a Smooth Continuous Sheet
Inventor: WINSTEAD THOMAS WILLIAMSON
IPC: B29C44/50
Filed: 1966-07-26
Abstract: 1,159,561. Extruding foamed thermoplastics. T. W. WINSTEAD. 26 July, 1966 [29 July, 1965], No. 33523/66. Heading B5H. Foamed thermoplastics sheeting S is produced by passage of material through a fanshaped reservoir 22, Fig. 1, an arcuate extrusion orifice 22a and over an arcuate support 27, such passage allowing lateral expansion of the material. Support 27 may be a tube through which a cooling fluid is passed and may be coated with PTFE to reduce friction. It is adjustably mounted on a column 29 and is vertically reciprocable by rotation of a screw 32 and rotatable about a bolt 34. Reservoir 22 is principally formed by an adaptor 20, Fig. 2, seated in end cap 16, and a die-plate 14 which is flexible and adjustable to alter the orifice width on rotation of screw 14a. A valve 36 is provided to divert material from reservoir 22, e.g. during change of adaptor 20 and a spacer 26. Band heaters 39, 40 are provided. It is preferred to draw sheet S away from support 27 in a direction between 90 and 180 degrees to the direction of extrusion between orifice 22a and the support. Specific thermoplastics mentioned are PVC, polystyrene, polyethylene and polypropylene.
Patent GB-957627-A (GB)
Title: Improvements in or relating to parallelepipedal cartons and blanks for making such cartons
IPC: B65D5/44
Filed: 1961-09-19
Abstract: 957,627. Boxes. M. LEHNER-STIRNEMANN. Sept. 19, 1961 [Sept. 19, 1960], No. 33545/61. Heading B8P. A parallelepipedal box is formed from a flattened tube which when erected develops an end wall at each end of the tube, the end walls being perpendicular to the axis of the tube, the box having a filling aperture located in a lateral wall. The box is formed from a blank comprising four hingedly connected panels 1-4 terminated by a flap 5. End wall forming elements 6-11 along one edge of the blank and 12-17 along the opposite edge are folded on to the centre part 1-4, and the ears 10, 11, 16 and 17 then folded back (see 11) and covered with paste, also the flap 5. Panels 1 and 4 are then folded on to panels 2 and 3 so that 5 sticks to 5<SP>1</SP> and the ears 10, 11, 16 and 17 to their adjacent end wall forming elements, e.g. 11 to 11<SP>1</SP> on the element 8. When the tube thus formed is erected, the elements 6 to 11 and 12 to 17 present an integral closure at either end of the tube. A filling aperture 19 is located in the panel 2. A hinged flap half-covering the aperture may be provided, which flap folds inwards into the box and by jamming its end into an angle acts as a stiffener for the box. In a modified form the flap may be folded as in Fig. 4 (not shown) or wedged up as in Fig. 5 (not shown). Two flaps may be provided, one at each end of the box.
Patent GB-630543-A (GB)
Title: Improvements in or relating to furnaces of the siemens-martin type
IPC: F27B3/00
Filed: 1947-12-19
Abstract: 630,543. Open-hearth furnaces. THIEMANN, W. H. A. (Oesterreichisch-Amerikanische Magnesit Akt.-Ges.). Dec. 19, 1947, No. 33662. [Classes 51 (i) and 51 (ii)] In a Siemens-Martin open-hearth furnace having air or gas passages leading from the regenerators each passage comprises an upper section 13 forming part of the hearth 8 and carried by auxiliary supports 19 on the hearth support 16, and a lower section 14 supported by the roof arch 2 of a regenerator, the spigot joint 15 forming a gap between the sections being provided with a suitable packing.
Patent GB-618708-A (GB)
Title: Improvements in or relating to electric battery charging stands
IPC: H01M50/50
Filed: 1946-11-13
Abstract: 618,708. Battery-charging stands; insulating supports. CONCORDIA ELECTRIC SAFETY LAMP CO., Ltd., and CORNISH, J. P. Nov. 13, 1946, No. 33681. [Classes 36 and 53] The bus-bars of a stand for charging storage batteries are insulated from the metal structure of the stand by spacing and bushing members made of a compressible and resilient non-conducting material such as polymerized ethylene. Fig. 5 shows a bus-bar 4 supported by bolts 3 projecting from a battery supporting bracket 5. The bolts pass through openings in a pair of spacing members 1 which may be formed in one with a connecting web 2. One end 7 of each of the members 1 is reduced to engage in an opening in the bus-bar, bushes 10 being passed over the bolts to engage the spacers 1. Tightening nuts 3a are screwed on to the bolts. The openings in the bus-bar may be slightly larger than the reduced ends of the spacers and bushes 1, 10 which may be shorter than as shown in Fig. 5 so that they do not engage with one another within the opening in the bus-bar. When the nuts 3a are tightened, the bushes and spacers are compressed and expanded to fill the openings in the bar. In Fig. 5, the ends 8 of the spacers 1 are plane and rest against the bracket 5, but they may be constructed and secured in openings in the bracket in a similar manner to the ends 7. The web portion 2 may be made of the same thickness as the parts 1 so that the device is in the form of a plate having projecting portions 7 engaging openings in the bus-bar, the plate making contact over its whole surface with the bus-bar and bracket 5. Alternatively, the spacers 1 may be formed on one side only of the web 2.
Patent GB-1141291-A (GB)
Title: Improvements relating to signal recording
Inventor: PARKER LESLIE KEARTON
IPC: H03D1/04
Filed: 1965-02-18
Abstract: 1,141,291. Recording and playback. PERKIN-ELMER Ltd. 18 May, 1966 [18 Feb., 1965], No. 33704/64. Heading G5R. The signal to noise ratio of data which is reproducible at will in the form of successive series of electrical oscillations including noise, e.g. a sample spectrum obtained by analysis of a sample 11 in a nuclear magnetic resonance spectrometer 1, is improved by apparatus 2 which comprises a magnetic drum or tape 19 having tracks 21, 22 for repetitive recording and re-recording of successive series of the oscillations. An A.C. timing signal is recorded on a track 20 of the tape 19. The signal from track 20 reproduced by a head 26 is amplified at 28 to drive a synchronous motor 9 which controls scanning mechanism 12 of sample 11. The amplitude of the reproduced A.C. timing signal is modulated in modulator 14 by a first series of oscillations from spectrometer detector 13 and the modulated signal passed through switch 39 to be recorded in synchronism with the scan in cycle-for-cycle coincidence with the A.C. timing signal on track 21 of tape 19. When the scan of sample 11 is completed tape 19 is rewound to return it to its original start position and a second scan is made. A switch 37 is moved to connect the read out from head 31 to an addition circuit 18 so that the modulated signal recorded during the first scan is added in cycle-for-cycle coincidence to a modulated signal from 14 which results from the modulation by a second series of oscillations from detector 13 of the timing signal read off track 20. The composite signal is then recorded in cyclefor-cycle coincidence with the A.C. timing signal on track 22 by head 32. A third scan will produce a second composite signal which is recorded on track 21 from which the previous signal has been erased in known manner. As shown in the Specification, each time two of the signals are added the sound-to-noise ratio is reduced by a factor #2. The process may be continued until the noise is reduced to the desired level. The output of modulator 14 is connected to a demodulator 41. The demodulated signal is fed to an oscilloscope 6 and to a chart recorder 5 which produces a permanent trace of the spectrum.
Patent GB-337601-A (GB)
Abstract: 337,601. Warren-Teed Seed Co. Nov. 15, 1928, [Convention date]. Germination, assisting.-A mass of seeds is soaked in a liquid having a colour-fixing action on the seeds and such seeds as absorb the liquid and: swell are separated out; the remaining seeds are scarified in the presence of a liquid such as water and again soaked, such seeds as swell being. separated out; finally the remaining seeds are again scarified in the presence of a liquid. An alum solution in the proportion of one to ten grams of alum to a gallon of water is preferred as the colour-fixing solution, a copper sulphate solution, however, may be used. The soaking is preferably done in a liquid at about 60‹ F., although a temperature of 125‹ F. may be used with safety. Specification 335,102 is referred to.
Patent GB-1198570-A (GB)
Title: A Photoconductive Target.
Inventor: KIUCHI YIJI
IPC: H01J29/45
Filed: 1968-07-16
Abstract: 1,198,570. Photo-conductive targets; cathoderay tubes. TOKYO SHIBAURA ELECTRIC CO. Ltd. 16 July, 1968 [17 July, 1967], No. 33796/68. Headings H1D and H1K. A vidicon target has on its transparent electrode a first layer at least 0À5Á thick and consisting of or containing cadmium selenide and a further layer not greater than 0À6Á thick and of high resistance of another semi-conductor material. This further layer permits the entry of electrons to the target by locally providing a sharp potential gradient on the scanned surface of the first layer and cuts down the after-image by reducing the number of trapping levels otherwise present there. In an embodiment a glass window is provided with a transparent electrode on to which is evaporated a 1Á layer of cadmium selenide containing a substantial quantity of cadmium chloride and a doping quantity of cuprous chloride. The layer is annealed in nitrogen and then heated in a selenium atmosphere to increase its resistivity. A 0À4 Á layer of antimony trisulphide is then provided by evaporation. Other dopants which may be included in the selenide layer are Ag, Au, Tl, In, Ga, Al, Te, Sb, Bi, Pb, Sn, halogens, alkali metals, and alkaline earth metals. The following semiconductors may be used instead of or mixed with the antimony trisulphide: -Sb 2 Se 3 , As 2 Se 3 , As 2 S 3 , Bi 2 S 3 , Bi 2 Se 3 , CdTe, PbO, Se, ZnS and ZnSe. This layer may be made porous or solid depending on the resistivity of the basic material and the layer may consist of two or more sublayers.
Patent GB-174024-A (GB)
Title: Improvements in steering devices for ships and the like
IPC: B63H25/38
Filed: 1920-07-07
Abstract: 174,024. Flettner, A. July 7, 1920. Addition to 147,024. Rudders.-A freely hinged supplementary tail rudder is placed on the main rudder, described in the parent Specification, to initiate reversal of the latter on the ship reversing. The tail rudder 145 is hinged to the main rudder 126, above or below the auxiliary rudder, and by means of the stops gives a motion to the rudder 126 when it is deflected on the ship reversing.
Patent GB-624888-A (GB)
Title: Screw-cutting dies
IPC: B23P15/48
Filed: 1946-11-16
Abstract: 624,888. Grinding. HERBERT, Ltd., A, and LLOYD, A. H. Nov. 16, 1946, No. 34035. [Class 60] [Also in Group XXII] In making chasers 12 for screw-cutting die-heads, the leading face 20 is machined substantially parallel to a plane 21 passing through the axis of the screw 13 to be cut, and the grooved chased is finished by a multi-start lapping hob 14 which has its axis so disposed that the line of contact 24 between the screw 13 and the lapped zone 23 of the chaser is slightly behind the leading face 20 and the ratio of its effective diameter to that of the screw is arranged to be substantially equal to the number of starts. The chasers are arranged radially with their grooves in contact with the threads of the hob, which is rotated or oscillated while coated with abrasive, and the axis of the hob lies in the plane 21. One or more of the multi-threads on the hob may be removed. Specification 321,386, [Class 60], is referred to.
Patent GB-361591-A (GB)
Title: Improvements relating to the scavenging of two-stroke-cycle oil engines
IPC: F02B25/00
Filed: 1930-11-12
Abstract: 361,591. Oil engines; cylinders. O'NEILL, P. A.; 934, Brannan Street, San Francisco, U.S.A. Nov. 12, 1930, No. 34118. [Classes 7 (ii) and 7 (iii).] In a two-stroke engine cylinder having terminal inlet and exhaust ports 7, 8, a piston baffle 11 is conical but eccentric to the cylinder, and arranged so that a wider passage is left for the exhaust than for the scavenging air. Fins 19 on the baffle, and a concave surface adjacent the ports 7 direct the air towards the cylinder head, which is correspondingly eccentric and has grooves 21 to accommodate the fins 19. Grooves 30 cause air trapped at the sides of the baffle to whirl round the fuel nozzle 9 at the inner dead centre when injection occurs.
Patent GB-834720-A (GB)
Title: Tucking mechanism for wrapping machines
IPC: B65B49/12
Filed: 1957-11-01
Abstract: 834,720. Wrapping-machines. PACKAGE MACHINERY CO. Nov. 1, 1957 [Jan. 17, 1957], No. 34132/57. Class 94(1). Tucking mechanism for folding the projecting ends of wrappers already enclosing articles, the articles moving continuously during folding, comprises means for tucking the leading sides of the wrapper ends and rotary means having elements moving in the same direction as the articles and overtaking the trailing sides of the wrappers to tuck them. The mechanism is described in association with a wrapping machine of the kind set out in Specification 770,124, and in one embodiment the partially wrapped articles A, gripped by jaws 20, 22 on a conveyer 24, are advanced between tucker units each of which comprises co-axial upper and lower rotors 56, 58. Each rotor 56 has six blades 60 and rotates at half the speed of each rotor 58, which has three blades 62. As the articles advance, they overtake the slower blades 60 which tuck the leading wrapper ends. The faster blades 62, however, overtake the articles and tuck the rear wrapper ends. Bars 102, 104 retain the ends tucked preparatory to further folding (not described).
Patent GB-875660-A (GB)
Title: Improvements in electric arc welding apparatus
Inventor: HATTY WILLIAM PATRICK HAMILTON
IPC: B23K9/10
Filed: 1956-11-08
Abstract: 875,660. Exciting dynamo-electric machines; supply systems for welding arcs. LINCOLN ELECTRIC CO. Ltd. Jan. 24, 1958 [Nov. 8, 1956], No. 34173/56. Classes 35 and 38 (4). In an electric arc welding apparatus comprising means for producing a welding arc 6 and a generator for supplying the arc and having control gear, the generator field winding is separately excited and is divided into two or more sections 1, 2, and the control gear includes means for changing the connections to one of the sections whereby the sections may be changed from mutually additive to mutually subtractive magnetic effect in order to substantially reduce the generator output voltage while maintaining current through the field windings. The invention is to reduce output voltage variations as between when the generator is hot or cold, by keeping the field windings at a constant temperature regardless of whether the generator is idling or supplying welding current. As shown the changing means comprises a change-over switch 4 connected across the section 2 which is parallel connected with the section 1 which has a series-connected either fixed or variable resistor 5. Alternatively the sections 1, 2 may be mutually series connected, and they may have either equal or unequal magnetic effects to one another, the latter embodiment providing a voltage sufficient for adjustment.
Patent GB-1036450-A (GB)
Title: Prepacked coffee containing cartridge
IPC: A47J31/053
Filed: 1963-08-29
Abstract: 1,036,450. Cooking apparatus, &c. A. TAVERA. Aug. 29, 1963, No. 34223/63. Heading A4D. [Also in Division B8]  A coffee containing cartridge for a percolator with a tubular stem 26 comprises an outer receptacle 11; a stem 15 with an open top and a flared bottom 16 which rests on the percolator stem, a sleeve 18 with perforated side walls surrounding the cartridge stem 15, means 17 for closing the space between the top of the sleeve and the cartridge stem, and annular apertured top and bottom plates 20, 22 secured to the sleeve and slidable inside the outer receptacle, the coffee being contained between the top and bottom plates, the sleeve and the outer receptacle. The outer receptacle may be transparent. The cartridge is normally disposable but may comprise a non-disposable outer receptacle. The cartridge may be used with any conventional coffee receptacle although a special stem 26 with an apertured flange 40 and a bevelled upper end for engaging with the flared end 16 of the cartridge facilitates the use of the unit. A flange 40 extends upwardly from the stem 26 to form a ridge 41 which engages with the flange 13. In use the boiling water W rises up the stem 15, passes through the perforations 21 into the coffee and out through the openings 23, 19 and 51 and back into the receptacle through the perforations 39 in flange 40.