baber/WOPTO huggingface dataset:
Patent GB-1018023-A (GB)
Title: Improvements in or relating to television cameras
Inventor: BENO MIROSLAV
IPC: H04N9/097
Filed: 1964-05-25
Abstract: 1,018,023. Colour television cameras; cathoderay tubes. TESLA, NARODNI PODNIK. May 25, 1964, No. 21498/64. Headings H4F and H4T. [Also in Division H1] A colour television camera in which an objective having a short focal length is used so that the camera may be of small size comprises an optical dividing system 52, Fig. 3, which divides an incident light beam after it has passed through objective 51 into three partial light beams, and three television pickup tubes, e.g. vidicons 64, 65, 66 with lightsensitive screens 67, 68, 69, which receive the colour component images created by the three partial light beams, the pick-up tubes being surrounded by magnetic deflecting and focusing coils 58, 59, 60 and circumferential mantles 61, 62, 63 of high magnetic permeability material which are conically tapered at their ends adjacent the light-sensitive screens. The tapered ends of the mantles enable the three pick-up tubes to be placed close to the outlet openings 74, 75, 76 of the optical dividing system without mutual interference. The lightsensitive screens 67, 68, 69 may be situated in, in front of or inside the planes defined by the edges of the tapered ends of the mantles, Figs. 5, 6, and 7, (not shown). The arrangement with the extending light-sensitive screen 125, Fig. 6 (not shown), enables the optical dividing system 52 to be small so that the objective 51 can be designed with a short distance between its image plane and the rear face of the last lens of the optical system. To reduce the magnetic or electric disturbing effects between the individual pick-up tubes a compensating coil 77 or electric compensating means may be placed around the objective 51. The optical dividing system, Fig. 3, comprises two halfsilvered, half gold-plated or dichroic mirrors 53 and 54 and the three partial images of equal size are formed by way of three colour filters 71, 72, 73. In a further embodiment, Fig. 4, not shown, objective 80 is mounted in a sleeve, the rear portion of the sleeve which holds the rear lens 81 being conically tapered, and the optical dividing system comprises four rectangular prisms 84, 85, 86, 87 cemented together to form a cube 83 having on their inner surfaces half-silvered, half gold-plated or di. chroic layers. Plane parallel plates 97, 98, 99, Fig. 4 (not shown), forming additive or corrective colour filters may be cemented directly to the outlet surfaces 101, 102, 103 and in addition they may form the three colour niters. A correcting element, e.g. a cylindrical lens 70, Fig. 3, may be inserted in the system. The tapered surfaces of the mantles may be in contact with each other or joined together to form a magnetic circuit. To reduce astigmatism plates 53 and 54 of the dividing system may each comprise two thin plates cemented together with a system of layers forming a dichroic layer in between. An additional mirror may be arranged between the objective and the dividing system as an optical view finder or for the purpose of a fourth pick-up tube, e.g. a brightness pick-up tube.
Patent GB-606968-A (GB)
Title: Earth inductor compass
IPC: G01C17/28
Filed: 1945-08-22
Abstract: 606,968. Changing frequency. BENDIX AVIATION CORPORATION. Aug. 22, 1945, No. 21522. Convention date; Sept. 16, 1944. Drawings to Specification. [Class 38 (ii)] [Also in Group XXXVI] The Specification as open to inspection under Sect. 91 describes a frequency doubler comprising a single core traversed by periodic current and means applying a unidirectional flux through the core, whereby alternating current of twice the periodicity of the periodic current is induced in a coil wound on the core. This subject-matter does not appear in the Specification as accepted.
Patent GB-639525-A (GB)
Title: Improvements in insulated electric conductors
IPC: H01B3/50
Filed: 1948-08-16
Abstract: 639,525. Electric conductors. CONNOLLYS (BLACKLEY), Ltd., and TRAVIS, W. Aug. 16, 1948, No. 21588. [Class 36] An electric conductor is insulated with one or more layers of natural silk in which the major proportion of the naturally occurring sericin gum is retained, the silk being applied by lapping directly on to the conductor or over another layer of insulating material. Before being applied to the conductor the silk is thoroughly wetted by placing it in an evacuated chamber which is subsequently filled with water and then the sericin gum is softened by immersing the silk in hot water (90-100‹ C.). The silk is lapped on to the bare or insulated conductor and is kept wet during the lapping process by means of an atomized water spray which maintains a humidity of 100 per cent within the enclosed lapping head. The covered conductor is thoroughly dried before being reeled. After the hot water treatment the gum may be kept soft by storing the silk in cold water until required.
Patent GB-1490838-A (GB)
Title: Rf signal attenuator arrangement
IPC: H03G1/00
Filed: 1976-05-25
Abstract: 1490838 R.F. attenuators PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 25 May 1976 [28 May 1975] 21621/76 Headings H3T and H4R An R.F. attenuator comprises two transmission paths between input and output terminals, each path including a pair of serially opposed PIN diodes having their R.F. impedance varied by applied bias currents, all formed in one integrated circuit, the minimum impedance of one path being less than the other, arrangement being such that when the bias currents are decreased to increase the attenuation, the bias current to the diodes in the one path decreases at lower attenuation values than that to the diodes in the other path. In one embodiment, Fig. 1, the PIN diodes 5, 6 have intrinsically different insertion losses. Controllable shunt PIN diodes 7 and 8 may be provided to add to the attenuation and facilitate matching. In another embodiment, Fig. 2 (not shown), the diodes 5 and 6 are similar and the different impedance is provided by a resistor between the common anodes of diodes 6 and 7 and the input terminal 1. This also reduces the distortion introduced by diodes 7. In a third embodiment the diodes 6 are connected to the opposite side of diodes 7 so that the latter are in both the series and shunt paths.
Patent GB-1057198-A (GB)
Title: Production of impact-resistant thermoplastic molding compositions
IPC: C08L51/00
Filed: 1964-05-26
Abstract: Impact - resistant thermoplastic moulding compositions comprise a homogeneous mixture of (A) a graft copolymer consisting of (1) an elastomeric copolymer of di-n-butyl fumarate and butadiene in a weight ratio of from 80:20 to 40:60 to which there has been grafted (2) 20 to 100% by weight, with reference to component (1), of either styrene or a styrene-acrylonitrile mixture containing up to 30% by weight of acrylonitrile; and (B) a copolymer of styrene and acrylonitrile in a weight ratio of from 60:40 to 90:10, the weight ratio of (A) to (B) being from 70:30 to 90:10 with the proviso that component (1) is present in an amount of 10 to 35% by weight with reference to the total polymer mixture.  Component (1) may additionally comprise up to 20% by weight of units of another monomer, e.g. acrylic and methacrylic esters, vinyl ketones, vinyl esters and vinyl ethers, specified compounds being acrylonitrile, methyl, ethyl and n-butyl acrylate, vinyl acetate and propionate, and methyl isopropenyl ketone.  The preparation of component (1) and the subsequent graft polymerization are carried out in aqueous emulsion using anionic emulsifiers and initiators such as persulphates, peroxides, hydroperoxides and azo-compounds (e.g. potassium persulphate, benzoyl peroxide, lauroyl peroxide or azo-diisobutyronitrile) or redox systems (e.g. cumene or t-butylcumene hydroperoxide with sodium hydroxymethyl sulphinate); activators such as triethanolamine or ferrous ethylenediamine tetraacetic acid complex may also be present. The polymers (A) and (B) can be combined by mixing together aqueous dispersions of each, or an aqueous dispersion of (A) with a suspension of (B) in methanol; the polymers may also be mixed in powder form, e.g. in an extruder or on mixing rolls.  In the examples, component (1) is prepared by polymerizing di-n-butyl fumarate and butadiene, with or without acrylonitrile or methyl isopropyl ketone, in aqueous emulsion containing sodium paraffin sulphonate or sodium alkyl sulphonate as emulsifier and a redox catalyst, monomers and various catalyst components being added during the course of polymerization.
Patent GB-332291-A (GB)
Title: Improvements in and relating to the separation of dry materials
IPC: B03B4/02
Filed: 1929-05-27
Abstract: 332,291. Holmes, C. W. H., Bramwell, I. L., and Birtley Iron Co., Ltd. May 27, 1929. Pneumatic separating. - Relates to apparatus for separating materials of different density as described in Specification 321,670 and consists in improvements in the form and construction of, and in the means for supporting and driving the table. As shown in Fig. 2, the banking bar 37 is inclined to the straight spillage edge 36 and joins therewith on a curve 38 of uniformly increasing curvature. The pervious table top 25 is supported on spaced bars 26 which are disposed at right angles to the direction of reciprocation so as to provide alternate zones of zero and full air pressure. Where the tables are arranged in duplex form, the triangular space between the banking bars may be covered by a plate 39, Fig. 1, which returns the dust blown off the surface of the material back to the table. The tailing riffle 30, 30a, Fig. 1, is adjustable in height being clamped in position by plates 33 and bolts 34, and is preferably in two parts connected by a hinge plate 31 to allow variable adjustment, the plate. 31 being slotted at 32 to permit variation of height of the riffle as a whole. The table is mounted on two toggle plates 6 held in V-shaped seatings 5, 14 by springs 17. The lower seatings are provided in bars 15 which are adjusted in the longitudinal direction by screws 43 to vary the angle of inclination of the toggle plates, and the forward bar 15 is in addition adjustable vertically by the screw 48 to vary the inclination of the table. The driving means consists of an eccentric shaft 10 connected by variable speed gearing 12 to a main shaft 13 and a connecting rod 8. To allow for variation in the angular position of the rod 8 relative to the connecting lug 7, there is preferably interposed a connection comprising a plate 60, Fig. 5, secured to the lug and having a tongue 59 with a knife-edge 59a engaging a corresponding groove 58 in the end of the rod 8. Two lugs 55 also carried by the rod 8 have knife-edges 55a engaging grooves 57 in a plate 56 bolted to the plate 60.
Patent GB-1520195-A (GB)
Title: Vending machine having a number of seperate compartments
IPC: G07F7/00
Filed: 1976-05-26
Abstract: 1520195 Vending machines A E AHLSTROM 26 May 1976 [2 June 1975] 21798/76 Heading B8U A vending machine which may be installed in a hotel room comprises two rows of four compartments 10 each compartment 10 having associated therewith a rotatable blocking plate 11 which normally prevents the removal of a beverage bottle therefrom, but each plate 11 is rotatable by the user of the machine to a position in which a bottle may be removed from its associated compartment on insertion into the machine of a token which is embossed by means of an embossing mechanism 20 to indicate thereo the particular compartment or compartments from which a bottle(s) has been removed. Each plate 11 is connected to a respective shaft 16 for rotation therewith, the shafts 16 being concentrically mounted as shown in Fig. 2, and each shaft 16 having an eccentrically mounted disc 17 at one end which is co-operable with a respective rotatable lever 18, in the case of the upper compartments 10, or a respective rotatable lever 19 in the case of the lower compartments 10. When a token (29), Fig. 4 (not shown), is inserted into the machine a part 25 of the token attracts a magnet (32) on a lever (31) which is then swung upwardly out of engagement with a notch (34) formed in a plate 28 so that the latter may be rotated clockwise about a shaft 27 by the forward edge of the token (29) and out of engagement with the levers 18, 19 so that the latter are freed to be rotated by the discs 17. If one of the upper levers 18 is rotated its disc 17 it causes downward movement of a respective embossing stamp 21 which provides a holes in the token (29), while if one of the lower levers 19 is rotated by its disc 17 it rotates a two-armed lever as through a push rod 24, the lever 25 causing downward movement of a respective embossing stamp 22 which punches a hole in the token (29).
Patent GB-389366-A (GB)
Title: Improvements in or relating to the rolling of tubes, pipes and the like
IPC: B23K20/00
Filed: 1932-08-03
Abstract: 389,366. Making composite tubes. SCHUBARTH, E., Menden, Westphalia, Germany. Aug. 3, 1932, No. 21814. [Classes 83 (ii) and 83 (iv).] Rolling ; working at specified temperatures. -Tubes are formed with an outer layer of a different metal bv rolling a billet 4 with a surrounding sleeve 5 of different metal in a piercing mill. The mill may be a skew mill or a pilger mill. The skew mill rolls 2 may be helically grooved. The core and sleeve may be separately heated to their different rolling temperatures, then combined and rolled together. The outer layer is the harder metal so that it gets the extra heat of rolling when the compound billet is heated as a whole to the rolling temperature of the softer metal which in case of brass is 600-700‹ C.
Patent GB-500552-A (GB)
Title: Means for evaluating and indicating the average value of successive time observations
IPC: G04B47/06
Filed: 1937-08-09
Abstract: 500,552. Counting-apparatus; integrating-apparatus. EVERITT, P. F., HUGHES, A. J., and HUGHES & SON, Ltd., H. Aug. 9, 1937, No. 21930. [Classes 106 (i) and 106 (iv)] [Also in Group XXIV] Mechanism for obtaining the of a plurality of successive time observations includes time-indicating or recording means driven from constant speed driving mechanism through change speed gearing having ratios in arithmetical progression which can be engaged in sequence in conformity the successive time observations to ho averaged. Clock mechanism of known type, located between plates 11 and 12, drives a shaft 14, and, through gears 13, 15, 16 and 18, a shaft 19 which is maintained at constant speed by an escapement wheel 24. A series of pinions 26 to 31 are fixed on the shaft 19 and each engages one of a of gear wheels 32 to 37 to drive shafts 38 to 43 at 1, 5/6, 4/6, 3/6' 2/6, 1/6, respectivecly, of the speed of the shaft 19. The upper ends of the shafts 38 to 43 are located in pawls 53-57. each of which is spring-pressed against the edge of a cam 59 having a depression 60 which, when entered by the beak of one of the pawls 53-57, allows the upper end of its associated to move nearer to the shaft 19 and engage a fine-toothed gear wheel (44-49) thereon with a pinion 50 mounted loosely on a reduced portion of the shaft 19, to drive a pointer 76. To change gear, a spring-urged arm 64 is oscillated between stops 74 so that a pawl 71, 68 steps the cam 59 round by engaging projections 73. This operation may be performed by hand, or automatically by an mechanism or instrument to which the apparatus is attached. An arm (not shown) co-operates with a heart-shaped cam 75 to zeroize the pointer. A pointer 78 driven at constant speed from the shaft 19, indicates ordinary or mean time. A tooth 79 on the pinion 50 actuates a revolution counter (not shown). In a modification, the indicating pointer is replaced by a train of figure wheels which may have raised figures thereon for. printing a record at the last of the time instants to be. averaged. The mechanism can also be adapted to operate with the gear changes in the reverse direction, i.e. using step-up gears and subtracting the reading of the pointer 76 from that of. the pointer 78.
Patent GB-169345-A (GB)
Title: Improvements in or relating to carburettors for internal combustion engines
IPC: F02M1/00
Filed: 1920-07-22
Abstract: 169,345. Feroldi, E. July 22, 1920. Spray carburettors.- The fuel nozzle 1<1> is placed in a well 6 to which fuel from the conduit 5 descends through a conduit 7 without first passing through the float chamber 2 which is in communication with the lower part of the well through a conduit 8. The flow of fuel through the conduit 7 is controlled by a valve 4 actuated directly by the float 3.
Patent GB-1426704-A (GB)
Title: Flexible connection
IPC: F16D3/50
Filed: 1974-05-17
Abstract: 1426704 Flexible shaft couplings ITT INDUSTRIES Inc 17 May 1974 [30 May 1973] 22092/74 Heading F2U The end surfaces 3, 4 of the shafts of a flexible shaft coupling are conical or spherical so that when the shafts are in line parallel with one another they just make contact with each other at a point in the centre, while when the shafts are at an angle rolling occurs between the end surfaces. The torque transferring spring 5 may be of rectangular or circular cross-section. Two such couplings may be used when the driving shaft and driven shaft of, for example, a pump are parallel but spaced apart radially.
Patent GB-490414-A (GB)
Title: Improvements in capacity loaded aerial conductors
IPC: H01Q21/10
Filed: 1937-02-09
Abstract: 490,414. Aerials. CORK, E. C., MANIFOLD, M. BOWMAN-, and PAWSEY, J. L. Feb. 9, 1937, No. 22112/38. Divided out of 493,758. [Class 40 (v)] A capacity-loaded aerial is formed by severing two twisted lengths of wire 1, 2 alternately as indicated at 3 and 4 respectively. The wires are mutually insulated by enamel or cotton covering 5, and a rubber sheath 8 and a suitable core 7, which may be reinforced to assist suspension of the aerial, are provided.
Patent GB-493164-A (GB)
Title: Machine or apparatus for producing designs in plastic materials upon the walls, ceilings and other surfaces of buildings or like structures
IPC: E04F21/16
Filed: 1937-08-12
Abstract: 493,164. Ornamenting. PADGETT, T. A. Aug. 12, 1937, No. 22150. [Class 93] Designs comprising grooved, indented, and like effects are produced on plastic materials covering the walls, ceilings, &c. of buildings &c. by means of a machine comprising a frame F carrying marking-devices having spiked wheels W, W<1> so that it can be rolled by hand over the surface to be decorated, the wheels being mounted on a shaft S, which is driven from the wheel W through a clutch O and serves to reciprocate the marking-devices. As shown, the marking-devices comprise a detachable main plate M made of celluloid and provided with an undulating surface M<2>, and auxiliary plates M<10>, M<11>. The plate M is reciprocated laterally on guides F<1> F by a rod M<6> connected to a crank disc M<7> rotated by gearing from the shaft S. The plates M<10>, M<11> are carried by rods C<5>, C<6> connected to cranks on the shaft S and are guided by pins C<8> engaging slots C<7> in the rods to produce various movements of the plates, the pins being carried by brackets C9, the positions of which can be adjusted.
Patent GB-1192391-A (GB)
Title: Carton Blank Feed Device
Inventor: ROLLINS PAUL FERDINAND
IPC: B65H3/24
Filed: 1967-05-12
Abstract: 1,192,391. Feeding sheets. BOWATER PACKAGING Ltd. 12 May, 1967, No. 22171/67. Heading B8R. Corrugated carton blanks are separated from the bottom of a stack 2 by a pusher plate 19 having a metal plate 25 with a serrated front edge and a guide 23, said pusher plate being hinged at 21 to a slidable base-plate 15. The assembly is moved in feed direction by a piston- and-cylinder 77, 79, the guide 23 moving below the bottom sheet and facilitating the insertion of the serrated edge into the trailing edge of the blank, which is raised above the leading edge by corner blocks 5. During separation, cam 75 acts on cam followers 71 to lower a plate 47 and a rod 37 abutting the plate 19, and through links (55, not shown) to lower the plate 19 to bring the trailing edge of the blank on to a work-table 7, the leading edge passing beneath a guide plate to correct warping.
Patent GB-516506-A (GB)
Title: Improvements in trouser pockets
IPC: A41D27/20
Filed: 1938-07-26
Abstract: 516,506. Trouser pockets. EHRHART, C., and BENNETT, T. A. July 26, 1938, No. 22175. [Class 141] A trouser side pocket a is provided with a narrow internal safety pocket d having its opening h at its lower end, the pocket d extending along the front edge c of the trouser pocket, and being attached at e, f, to respective side pieces of the trouser pocket, the width of the pocket d being less than the width of the outer wall of the pocket a between the lines of attachment e, so that the opening to the safety pocket is never closed. The side pieces of the pocket a are stitched together at j to form a recess k which together with the pocket d serves to prevent coins &c. from slipping out of the pocket a when the wearer is seated or lying down or when the trousers are hung in the inverted position.
Patent GB-624004-A (GB)
Title: Improvements in and relating to cathode ray apparatus
IPC: H01J29/54
Filed: 1946-07-26
Abstract: 624,004. Electric coils. BRITISH THOMSON-HOUSTON CO., Ltd. July 26, 1946, No. 22365. Convention date, July 30, 1945. [Class 35] [Also in Group XL (a)] A combined focusing and centring coil assembly unit 7 for a cathode-ray tube 1 comprises a cylindrical insulating form 27 mounted on the neck 3 of the tube, a pair of centring coils 23, 24 mounted on the form and having axes at 90 degrees to each other and to the axis of the tube, a hollow toroidal core of magnetic material mounted about the centring coils and comprising an inner cylindrical member 28 having an outwardly extending flange 30 engaging an outer cylindrical member 29 having an inwardly extending flange 31 over which the ends of the coils 23, 24 are bent, and a focusing coil 33 arranged in the space between the members 28 and 29. The inner member 28 is shorter than the outer member 29, forming an annular air gap 32. The members 28 and 29 may be locked together by punching in a portion 48 of the member 29 to enter a notch 47 in the member 28. The focusing coil 33 is enclosed in inner and outer insulating sheaths 34 and 35 and is enclosed and sealed in a metallic container 36, the leads 37 for the coil 33 being brought out through sealed connecting posts 38 extending through openings 46 in the flange 30. The centring coils 23 and 24 are located in longitudinal slots 39 milled in the form 27, two of the slots 40 and 41 being widened to provide for the terminal connections to the coils. A layer of insulating material 42 is wound about the coils 23 and 24. The form 27 is provided with outwardly projecting segments 43 forming a ring of stops engaging the end of the cylindrical member 28 and three outwardly projecting segments 44 extending through notches 45 in the cylindrical member 28 to lock the form against rotation. In the arrangement shown in Fig. 2, halves of the centring coils 23 and 24 are arranged at diametrically opposite positions on the neck 3 of the tube 1 and the intensity and direction of the fields produced by the coils 23 and 24 can be adjusted by the potentiometers 25 and 26 respectively. The intensity of the field produced by the focusing coil 21 can be adjusted by the variable resistor 22.
Patent GB-331709-A (GB)
Title: Improvements in and relating to signposts and the like
IPC: E01F9/619
Filed: 1929-07-22
Abstract: 331,709. Armstrong, F. P., and Automobile Proprietary, Ltd. July 22, 1929. Posts.-A post 1 carrying a reflex sign 5 is provided with a part of reduced cross-sectional area so that it will fracture cleanly at that part if struck. The part may be formed as a groove 3 or notches round the post, or as holes drilled through it. A metal sheath 10 may be used to protect the middle part of the post. Specification 292,040 is referred to.