baber/WOPTO huggingface dataset:
Patent GB-1241710-A (GB)
Title: Transporting tongs
IPC: B21K1/44
Filed: 1968-12-13
Abstract: 1,241,710. Gripping tongs. F. H. HATEBUR A.G. 13 Dec., 1968 [29 Dec., 1967], No. 59491/68. Heading B8H. A pair of workpiece tongs 2, 3 mounted on a carriage 6 for moving workpieces 17, comprises a tension spring 15 biasing the two tongs together and the tong 2 being formed by two pivoted parts 19, 20, the lower part 20 being pivoted relative to the upper part 19 against the resistance of a leaf spring 25 thereon, upon the tongs engaging an obstruction during transporting. The top of the lower part 20 of tong 2 is formed with two angularly displaced flat surfaces 23, 24, the surface 24 normally engaging the spring 25 but upon deflection of the part 20, the surface 23 is rotated towards the spring against the resistance thereof as the spring is deflected into a recess 26 in the upper part 19. The obstruction also causes the tong 3 to rotate against the bias of the spring 15, the driving machine being switched off and braked at a predetermined angle of rotation of the tongs. Toothed segments 13, 14, on the tongs interengage and transmit equal and opposite rotation therebetween which during transporting is the tong closing force of the spring 15. At the end of transportation, the shaft 4 of the tong 2 is rotated through a crank and cam mechanism to open the tongs against the resistance of the spring 15.
Patent GB-1273257-A (GB)
Title: Improvements relating to a method of cooling fine material in wind sifters
IPC: B07B7/10
Filed: 1969-12-10
Abstract: 1,273,257. Pneumatic separation; centrifugal separators. POLYSIUS A.G. 10 Dec., 1969 [6 March, 1969], No. 60219/69. Headings B2H and B2P. [Also in Division A4] In a wind sifter wherein fine material is separated from coarse material in a sifting chamber 18 and thereafter cooled, cold air 26 is admixed with the circulating sifting air stream 23 at a location remote from where the coarse material is separated from the sifting air stream 23. Part of said sifting air stream, which is warmed on cooling the fine material 24, is extracted through a pipe 13 so that the quantity of air circulated through the chamber 18 remains constant. Material entering the sifter by way of inlet 21 and hopper 20 is distributed by means of a scatter plate 3 connected to a rotatable shaft 2. The air stream is circulated by means of a fan 4. The coarse material 25 is collected in a hopper 11 and the separated and cooled fine material 24 is collected in a hopper 7. A ring of screens 10 permits the sifting air which is not removed through pipe 13 to pass from the flow space 9 back into the chamber 18 for recirculation. In an alternative embodiment (Figs. 2 and 3, not shown) several fine material separators (28, 28') are located around and in communication with the sifting chamber (18); the sifting air is returned to the suction side of the fan (4) which is located beneath the sifting chamber (18). In a further embodiment the separators (39, 39') are connected to a sifting air circulation fan (41) lying outside the sifter housing.
Patent GB-1376910-A (GB)
Title: Semiconductor bodies for semiconductor injection lasers
IPC: H01S5/024
Filed: 1971-12-30
Abstract: 1376910 Electroluminescence WESTERN ELECTRIC CO Inc 30 Dec 1971 [31 Dec 1970] 60661/71 Heading C4S [Also in Division H1] A double heterostructure semi-conductor laser diode comprises first and second wide bandgap regions 14, 18, Fig. 4A, of opposite conductivity type, a first narrow bandgap active region 15, 19 between and contiguous with the regions 14, 18, and a second active region 17 of narrower bandgap within the first active region, the P-N junction 11 being located either within or coincident with one of the heteroboundaries 21, 23 of the second active region. In operation, carriers injected under forward bias across the junction are confined to the second active region 17 where they undergo radiative recombination to generate stimulated emission, the generated radiation being restricted to an optical channel extending to the heteroboundaries 20, 22 of the wide bandgap regions 14, 18 by stepped differences 20c, 21c, 22c, Fig. 4C, of the refractive index at the heteroboundaries. As shown in Fig. 4B, the energy steps 21b, 23b in the bandgap profile at the heteroboundaries 21 and 23 creates an electric field serving to reflect holes and electrons and thus confine injected carriers to the second active layer. The semi-conductor is built up of sequential epitaxial layers on an N-type GaAs substrate about 3-4 mils thick, and comprises an N-type Al x Ga 1-x As layer 14; an N-type Al y Ga 1-y As layer 15 with y<x; a GaAs or Al p Ga 1-p As layer 17 with p<y; a P-type Al q Ga 1-q As layer 19 with p<q and a P-type Al z Ga 1-z As layer 18 with q<z. In the embodiment shown in Fig. 5, the N- and P-type layers 14 and 18 are respectively about 3Ám. and 1 Ám. thick, arid are both formed of Al x Ga 1-x As, the first active layer between heteroboundaries 20 and 22 is about 0À2 Ám. thick, and the second active layer 17 within the first active layer is about 0À1 to 0À03 Ám. thick. Regions 15 and 19 of the first active layer are N- and P-type, respectively, while the second active layer 17 may be of either type. Before a metallic contact 25 is deposited on the N-type substrate 12, a P-type dopant such as zinc is diffused into layer 18 to provide good ohmic contact for a stripe electrical contact 29 deposited in an etched channel. Cleaned or polished end faces 31, 33 form the optical resonator. For CW operation at room temperature heat is transferred to a copper heat sink 37 through a tin-plated diamond 35 with ground connection provided by gold wires 39.
Patent GB-747168-A (GB)
Abstract: 747,168. Printing surfaces. CAHEN, M. Oct. 11, 1954 [Nov. 17, 1953], No. 29288/54. Class 100 (2). In apparatus for registering printing plates on a cylinder, 4, using a cylinder 5 as a keymember, incorrect registration due to refraction of the beam of light from the cylinder 4 on passing through the partially transmitting mirror 6, which reflects light from the keymember 5, is compensated by refracting the beam of light from the key-member 5 a similar amount by a plate of glass 10. The cylinders 4 and 5 are mounted in a frame member 1, are geared together through gears 11, 12, 13, and illuminated by light sources 18, 19. A scale 14 may be provided on the cylinder 5. A housing 3 is provided for the optical apparatus. When at least three articles are to be compared, e.g. two printing cylinders and the key-member, at least two partially transmitting mirrors are used and in the incident portion of each beam reflected by such a mirror a definite number of transparent refracting plates are mounted, the number being equal to the number of partially transmitting mirrors passed by the beam transmitted by all mirrors prior to reaching the reflecting surface of the mirror in operation.
Patent GB-2004201-A (GB)
Title: Coated absorbent structures
IPC: A61L15/60
Filed: 1978-08-03
Abstract: A method of manufacturing absorbent structures e.g. menstrual towels, nappies, surgical dressings and wiping towels, wherein a liquid- absorbing material e.g. in the form of a powder, is secured to a support e.g. a film or fibrous pad by depositing a binding agent for example poly(vinyl alcohol), particularly in the form of an aqueous solution or dispersion. In one procedure after the liquid-absorbing material and the binding agent have been applied to one pad, a second pad is applied to form an integral structure with the binding agent and in another procedure the liquid-absorbing material is incorporated between two pads, and a liquid binding agent is applied to the external surface of one pad and percolates through to form an integral structure.
Patent GB-2030545-A (GB)
Title: Cassette holder
IPC: G11B23/023
Filed: 1978-09-27
Abstract: A holder (9) for magnetic cassette tapes consists of two covers (10, 11) with a spine (12) disposed therebetween. The covers (10, 11) and the spine (12) are formed integrally from a plastics material with regions (13) shaped to allow movement of the covers (10, 11) relative to the spine (12). Adhesive tape strips are disposed on the inside surface of one of the covers (11) so that a conventional cassette box (18) may be fixed on that surface with the other cover (10) free to lie over the box (18) such that the whole assembly presents the appearance of a book. <IMAGE>
Patent GB-2031068-A (GB)
Title: Electric ceiling fans
IPC: F04D25/08
Filed: 1978-10-11
Abstract: The fan comprises a shaft 1 having an arrangement 3 at its upper end to enable the fan to be suspended from a ceiling, a fan housing 9 having fan blades fixedly secured thereto, an electric motor comprising a rotor contained within and mounted on the fan housing 9 and a stator mounted on the lower end of the shaft, the shaft having at least one bearing thereon supporting the fan housing and permitting the fan housing to rotate about the shaft, a capacitor 7 for reducing the impedance of the electric motor and a canopy (not shown) enclosing said arrangement for suspending the fan from a ceiling. In order to avoid the necessity of providing a second canopy at the lower end of the shaft, the capacitor 7 is located at the upper end of the shaft, within the canopy. <IMAGE>
Patent GB-2008460-A (GB)
Title: Aluminum brazing sheet
IPC: B23K35/28
Filed: 1978-11-17
Abstract: An aluminum brazing sheet comprises a core 10 of an aluminum alloy, a first layer 20 of an aluminum brazing alloy provided on at least one side of the core to form a composite and a second layer 30 of an aluminum alloy is clad on at least one of the brazing layer and the core. The aluminum alloy of the second layer consists essentially of 0.5 to 1.2 wt.% Mg and 1.2 to 1.8 wt.% Si, the remainder being aluminum, incidental impurities and 0.2 wt.% Cu max., 0.7 wt.% Fe max and 1.5 wt.% Mn max. The second layer has a melting point substantially equivalent to the melting point of the brazing layer. The Al brazing alloy may contain up to 2.5% Mg, 5 to 13 wt.% Si, up to 0.8% wt.% Fe, up to 0.3 wt.% Cu, up to 0.3 wt.% Zn and up to 0.3 wt.% Mn, and the core may contain up to 1.5 wt.% Mn, up to 0.7 wt.% Mg, up to 0.5 wt.% Si, up to 0.7 wt.% Fe, up to 0.25 wt.% Cu, up to 3.0 wt.% Zn and up to 0.25 wt. % Cr. The sheet is produced by roll bonding and then rolling a composite. <IMAGE>
Patent GB-2040254-A (GB)
Title: Machine for emptying sacks
IPC: B65B69/00
Filed: 1979-01-17
Abstract: In a sack-emptying machine, a loading box (1) which is open at the bottom has sack-admission aperture (201) in which a sack-supporting table (4) is pivotably mounted around a horizontal transverse tipping axis (5), being able to be swung alternately into an approximately horizontal sack- receiving position and into an approximately perpendicular or inclined sack- emptying position. in the sack-receiving position the sack-supporting table (4) projects out from the loading box (1) via its front section, while its rear section extends inside the loading box (1) up to a sack-ripping device (11). In the sack- emptying position the sack-supporting table (4) closes off the sack-admission aperture (201) in the loading box (1), and the sack is suspended by prongs (8). In a modification the table is in two parts pivotally movable above the box from a horizontal position in which a sack is slit between the two parts and a V-shaped sack emptying and box closing position. <IMAGE>
Patent GB-2049863-A (GB)
Title: Corner joint for furniture
IPC: F16B12/44
Filed: 1979-01-17
Abstract: An assembly of at least three bars, 1, 2, 3, a connector body 6, and a cladding cap 24, each bar having an end surface engaging a respective wall 7, 8, 9 of the connector body and connected thereto, the walls, in the absence of the cap, being accessible at their sides remote from the bars, and the cap fitting over the walls and having edges R which merge with stepless junctions with outer surfaces of the bars. <IMAGE>
Patent GB-2014955-A (GB)
Title: Display container for drawing templates
IPC: B42F21/00
Filed: 1979-02-21
Abstract: A point-of-sale display container for drawing templates comprises an array of jackets 2 around different groups of templates 3, supported in a box 1 in the manner of a card index to allow ready access to the individual templates 3 in any subject-group. The jackets 2 may be removed from the box 1 for sorting through the individual templates 3 stacked therein and each template 3 may be accommodated in a transparent sheath bearing a data strip in an upper pocket. <IMAGE>
Patent GB-2018127-A (GB)
Title: Methods of making clothing patterns and clothing
IPC: A41H3/00
Filed: 1979-03-30
Abstract: A cutting-out pattern for clothing is made by making a reduced scale pattern 1a, 1b of the clothing, applying a first rectangular coordinate grid to it and copying the reduced scale pattern with a second rectangular coordinate grid to form the cutting-out pattern. The first and second rectangular coordinate grids have respective aspect ratios defined as the ratio of the spacing of the horizontal lines of the grid to the spacing of the vertical lines of the grid. The ratio of the aspect ratio of the first rectangular coordinate grid to the aspect ratio of the second rectangular coordinate grid and the spacing of the lines of the second rectangular coordinate grid are such that the cutting-out pattern is to a desired clothing size. The amount of material required is estimated by fitting the reduced scale pattern onto a reduced scale representation of the material. <IMAGE>
Patent GB-2018278-A (GB)
Title: Catalytic reforming with catalyst containing more rhenium than platinum
IPC: B01J31/00
Filed: 1979-04-03
Abstract: A reforming process employs a new rhenium-platinum catalytic composite having a rhenium to platinum weight ratio in the range of 2 to 5, whereby longer relative cycle length is obtained when reforming a naphtha having less than about 0.5 ppm by weight of sulfur.
Patent GB-2026195-A (GB)
Title: Optical Apparatus
IPC: G02B27/00
Filed: 1979-06-25
Abstract: Apparatus for assessing the thermal sensitivity of optical systems comprises a test target 4 in the form of a plate in which slits 11 are cut at a predetermined spatial frequency. Radiation from a heated bar 1 is reflected from two separate portions thereof on opposite faces A,B of the bar to the test target 4 by concave mirrors 2, 3, radiation from mirror 3 being reflected by the test target 4 and radiation from the mirror 2 being transmitted through the slits 11 of test target 4 so that the resulting radiation passes along a common path 9 to a collimator 8 and hence to the optical system under test. The bar 1 may be heated at one end by a device 5 and cooled at the other end by a device 6 and the arrangement is such that a temperature gradient is produced along the length of the bar. The mirror 2 is mounted in a movable holder 10 which, by means of a micrometer device 7 can be adjusted along the length of the bar 1 so that the radiation at the test target 4 emerges from portions of the bar 1 which are at different temperatures. <IMAGE>
Patent GB-2026341-A (GB)
Title: Aqueous particulate dispersions
IPC: C09K23/00
Filed: 1979-07-10
Abstract: Aqueous dispersions of particles of nonpolymeric hydrophobic solids of size less than 100 microns, eg pesticides, pigments or dyestuffs, are stabilised against flocculation by means of a block or graft copolymer containing in the molecule a component A, of molecular weight at least 250, which is solvated by the aqueous medium and another component B, of molecular weight at least 500, of a specified degree of hydrophobicity which is associated with the solid particles, the total weight ratio of A to B being 10:1 to 1:10 and the ratio of the number of individual components A to components B being 10:1 to 1:2. A limited degree of controlled and reversible flocculation of the particles can be introduced by the additional presence of a polymer which is soluble in the aqueous medium.
Patent GB-2031448-A (GB)
Title: Water based jet inks
IPC: C09D11/00
Filed: 1979-08-28
Abstract: The inks are characterized by the absence of an electrolyte and comprise at least one nigrosine dye and a poly (vinylpyrrolidone) resin. An organic solvent, e.g. an aliphatic alcohol, may be included. The ink can be used in a process for information recording comprising directing a jet of the ink onto a recording medium while modulating the density of the applied jet by an electric field in accordance with the information to be recorded.
Patent GB-2031823-A (GB)
Title: Support tube assembly of a vehicle drive arrangement
IPC: B60K17/22
Filed: 1979-09-05
Abstract: An engine-transmission assembly wherein the engine in it is connected to a rear transmission unit by a supporting pipe which serves to reduce vibration and noise. According to preferred embodiments of the invention, the supporting pipe includes at least one outer pipe and an inner pipe fitted therein which are interconnected at only ends and are held in position via a friction seat. The pipes forming the supporting pipe can be of equal length and thickness or can be of varying length and/or thicknesses according to other embodiments.
Patent GB-2031378-A (GB)
Title: Beverage Dispenser
IPC: G07F13/06
Filed: 1979-09-05
Abstract: Apparatus for automatically delivering measured quantities of beverages, each quantity being prepared just before delivering it, said apparatus having at least a water cooler (3) and at least one delivery line consisting of a valve, mixer (7, 12) and cup holder (10), a quantity measuring device for powdered ingredient connectable to the mixer, the improvement being that a dispensing means for cleaning and disinfecting liquid is automatically connectable at a predetermined sequence of periods to each delivery line, preferably a regulating valve regulating the presence of said liquid in said mixer. <IMAGE>
Patent GB-2032323-A (GB)
Title: Light energy perforation apparatus and system
IPC: B23K26/06
Filed: 1979-09-19
Abstract: Apparatus for generating pulsed light beams from a focused continuous laser beam (34) includes reflector discs (30,32) which are rotated about a common rotational axis (28). The discs include peripheral reflective facets which confront the laser beam in the course of rotation and also have light transmissive portions between adjacent facets. The facets and transmissive portions of successive discs are selectively misaligned such that pulsed beams issue successively from different discs. A system employing the apparatus for perforation of a web (10) also includes a common lens (40) per disc pair and a prism (33) for deviating light issuing from one disc (32) of the disc pair.   <IMAGE>
Patent GB-2032165-A (GB)
Title: Disposal of Tritium-containing Effluents by Solidifciation
IPC: G21F9/12
Filed: 1979-09-26
Abstract: Tritium-containing effluents are converted to a solid disposable form by incorporation as setting water in a solid produced using a magnesia- based binding agent, preferably a Sorel cement. Suitably, magnesium chloride is dissolved in the effluent until the density is 18 to 24 DEG Be, and then 2 to 3.5 parts by weight of a magnesia (e.g. a combustion product of particle size < 100  mu m) per part of MgCl2 are stirred in, and stirring continues until the material thickens. Viscosity-increasing and water- absorbing additives may be incorporated. The product may be given an impermeable coat, e.g. of resin. The product can have several times the water content (w/w) of conventional gypsum or Portland cement, and bind it more securely.
Patent GB-2033460-A (GB)
Title: Airport bus
IPC: E06C5/00
Filed: 1979-10-15
Abstract: An airport bus (1) is provided with steps (5) mounted externally of the bus so that passengers can climb into an aircraft (11) from the bus (1). Preferably, the steps (5) are formed from extendible sections (5, 5a) and are pivotably mounted at the front of the bus, which has a front exit (3). The bottom of the steps (5) may be provided with a roller-carrying support (8, 9) for supporting the front of the bus on the ground (10) when the steps (5) are in the operative position. <IMAGE>
Patent GB-2034197-A (GB)
Title: Rotating coil centrifuge
IPC: B04B5/02
Filed: 1979-10-19
Abstract: In a centrifuge attachment for use in counter current chromatography, a centrifuge plate 60 rotatable about a central axis carries either two or more convoluted (e.g. straight helical) coils 64 or a single convoluted coil arranged as a toroid, the tube or tubes being convoluted about an axis which is generally perpendicular to the local direction of the centrifugal force generated by rotation of the plate. Inlet and outlet tubes 14, 16 are provided in a known manner such that they do not twist and the convoluted coil is rotated about its axis of convolution at a speed which is independent of the speed of rotation of the centrifuge plate. <IMAGE>
Patent GB-794476-A (GB)
Abstract: 794,476. Hydroxyphenyl propanes. UNION CARBIDE CORPORATION, [formerly UNION CARBIDE & CARBON CORPORATION]. Nov. 23, 1956 [Nov. 25, 1955], No. 35893/56. Class 2 (3). A 2,2-bisphenolic propane is obtained by condensing a phenol or a mono-alkyl monohydric phenol having not more than 4 carbon atoms in the alkyl group and a substituted hydrogen atom para to the hydroxyl group with an isopropenyl ester of an alkanoic acid having from 2 to 6 carbon atoms in the presence of an acidic condensing agent at a temperature of between 25‹ and 80‹ C. Suitable phenols are phenol, o- and m-cresol, o- and m-ethylphenol, o- and m-propyl phenols and o- and m-butylphenols. Suitable alkanoic acids for ester formation are acetic, propionic, butyric, valeric and caproic acids. Suitable condensing agents are one or more of the following: sulphuric acid, hydrogen chloride, zinc chloride and boron trifluoride. The preferred reagents are phenol and isopropenyl acetate which condense to give 2,2-bis-(4-hydroxyphenyl)-propane. The phenolic compound may be used in excess, from the stochiometric amount to 5 mols. per mol. of isopropenyl ester. The acidic catalyst may be present in amounts from 0.1 to 3 mols. per mol. of isopropenyl ester. The preferred temperature range is between 40 and 70‹ C. Examples are given where phenol and o- and m-cresol are used in amounts ranging from 1.5 to 5 mols. per mol. of isopropenyl ester in the presence of 1 mol. of H 2 SO 4  0.1 to 3 mols. of HCl and 0.38 mols. of ZnCl 2  with 0.5 mols. HCl.
Patent GB-2045215-A (GB)
Title: Device for distributing packages over a 360 DEG  arc starting from a fixed feed point
IPC: B65G47/80
Filed: 1980-02-28
Abstract: A device for distributing packages over a 360 DEG  arc starting from a fixed feed point, of the type comprising a rotating plate 13 with which there cooperates a circumferential annular wall 17 which is rotatable relative to the plate and is rigid with a conveyor 16 which extends radially relative to the plate. The wall 17 has a discharge aperture in a position corresponding with the conveyor, to which the packages are directed by means of a baffle 20 which intersects the feed path of the packages on the plate. Means e.g. 19, 21 are provides for directing the packages from the fixed feed point towards the outside of the plate along a feed path which intersects the fixed baffle. The means are positionable relative to the plate 13 through an angle of about 360 DEG . <IMAGE>
Patent GB-2074526-A (GB)
Title: Dust control equipment
IPC: B65G45/22
Filed: 1980-04-22
Abstract: Dust control equipment is provided for applying liquid to the return run (1) of a belt conveyor, the equipment comprising a dust suppression liquid reservoir (4) mounted transversely across the return run of the conveyor, rotatable paddle means (16) for urging liquid from the reservoir towards a liquid outlet (12) and driven means (21) drivably connected to paddle means and arranged to drivably contact the belt conveyor, such that in operation while the conveyor is running the driven means rotates the paddle means to urge dust suppression liquid from the reservoir. <IMAGE>