baber/WOPTO huggingface dataset:
Patent GB-1251021-A (GB)
IPC: H01S3/093
Filed: 1967-07-28
Abstract: 1,251,021. Lasers. DEFENCE, SECRETARY OF. 28 Oct., 1968, [28 July, 1967], No. 34932/67. Heading H1C. In order to increase the pumping efficiency of a laser the laser active medium is disposed within a tubular incandescent radiation source mounted in a reflecting cavity, the radiation source being such that it absorbs radiation emitted thereby not absorbed by the laser medium 80 as to reemit radiation including the pumping wavelengths. The pumping reflecting cavity 15 may be cylindrical, Fig. 1 (not shown) or a shape between cylindrical and ellipsoidal, Fig. 2, provided with a transparent tube 3 fitted along the axis of symmetry of the cavity and which holds a laser rod 5. A cylindrical emitter 9 of tungsten, refractory metal, or high temperature ceramic such as magnesium oxide surrounds the laser rod and is heated by applying D.C. or A.C. to contacts 11, 13. The high temperature of the emitter is maintained by radiation from the emitter which is either reflected back from the cavity 15 or radiation deficient in the pumping wavelengths transmitted through the laser. The radiation is eventually re-emitted by the emitter with the full emission spectrum of the emitter i.e. including the pumping wavelengths. Water or helium may be passed through tube 3 as a coolant and the cavity may be enclosed by a cooling coil 17. By suitable choice of the coolant fluid in tube 3 a lens effect may be employed to magnify the degree of coupling. The active medium may be solid, liquid or gas.
Patent GB-1251547-A (GB)
IPC: C09B25/00
Filed: 1969-05-23
Abstract: 1,251,547. Quinophthalone dyes. FARBWERKE HOECHST A.G. 23 May, 1969 [24 May, 1968], No. 26438/69. Heading C4P. Quinophthalone dyes of formula: (in which R is optionally substituted aryl, heterocyclyl, aliphalic or cycloaliphatic; Y is halogen, nitro or phenyl; Z is H or halogen; m is 1-4; n is 1 or 2). The dyes are prepared by reacting a 4-chloro or bromo-quinophthalone with an alkali-metal sulphinate.
Patent GB-1252191-A (GB)
IPC: D04H1/54
Filed: 1969-07-09
Abstract: 1,252,191. Non-woven fabrics. SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ N.V. 19 May, 1970 [9 July, 1969], No. 34704/69. Headings D1P and D1R. Sulpholane (tetramethylene sulphone), unsubstituted or carrying up to 8 carbon atoms, blended with an organic diluent is applied to fibrous materials as a latent solvent, so that on heating the fibres bond to each other by being partly dissolved in the sulpholane. At least 25% of the fibres comprise one or more of polyacrylonitrile (85-100% acrylonitrile). Modacrylic (35-285% acrylonitrile), chlorofibres (vinyl or vinylidene chloride or copolymers thereof) or cellulose esters, cellulose diacetate, triacetate or acetobutyrate, vinyl acetate, vinylidene chloride, vinyl chloride, methyl acrylate, methyl methacrylate, vinyl pynidine or styrene may be copolymerised with acrylonitrile or the chloro monomers. The remaining fibres, if any, of the blend may be wool or other natural or synthetic fibres. The diluent is diethylene or triethylene glycol, dibutylphthalate, triethanolamine, 3-octyl sulphonyl ether. Trichloropropyl phosphate or alcohol or glycerol alkoxylates, the evaporation rate of the diluent being 0.01 to 3.5 times that of the sulpholane at 100‹C. The blend may contain water. Carded or air-laid webs of staple fibres are cross-laid to form batts. The bonding blend may be sprayed, dripped or padded onto the fibres, the web or the batt. Compressed air may be used to force the blend through the batt, which may be treated from both sides. Heat is then applied. The batt may be needled or stitched before or after treatment with the bonding blend. Non-woven fabrics and blankets, knitted or tuffed articles and other woven frabrics may be surface bonded by spraying or padding with the blend to reduce piling.
Patent GB-1252616-A (GB)
IPC: A47C1/027
Filed: 1969-10-30
Abstract: 1,252,616. Seat back adjuster. W. H. KOZLOWSKE and P. C. TABOR [trading as METEOR RESEARCH Ltd.]. 30 Oct., 1969 [12 Dec., 1968], No. 53236/69. Heading E2F. An adjusting pivoting mechanism for a tiltable seat back comprises two interleaved pluralities of friction plates, each axially slidable on one of two members, one of which is rotatable about the other, but which are manually releasably locked against rotation by means of a ball cage. In the figure, a plurality of circular friction plates 34 is interleaved with a plurality of friction plates 40, arranged so that they are non-rotatably connected to hexagonal hub 22 and cup member 12 respectively. A spring 58 urges ball cage 50 to rotate in a counterclockwise direction, locking hub 22 against rotation relative to cup 12 by means of pressure on the friction plates. Lever 72 lifts pin 82 to relieve the friction plates of pressure, thus enabling the seat to be pushed rearwardly from the normal position. The seat may be pushed forward to the normal position without using lever 72. To swing the seat forward from the normal position lever 72 is again used, an arcuate flange on the outer wall of cup 12 holding the mechanism unlocked.
Patent GB-1259514-A (GB)
IPC: G03G9/08
Filed: 1969-01-31
Abstract: 1,259,514. Electro-photographic process. RANK XEROX Ltd. Jan.31, 1969 [Feb.1, 1968], No.5389/69. Heading G2H. Electrostatic images on reusable imaging surfaces are developed with a material comprising toner particles, optionally carrier particles, and 0À02-20 wt. per cent (based on the toner) of at least one solid, hydrophobic metal salt of a fatty acid at or immediately adjacent external surfaces of the toner and/or carrier particles, the developed images transferred to a support, and the reusable imaging surfaces wiped so as to maintain a  deposit of the salt below 10Á thick on the surfaces. The developers used described and claimed in Specifications 1,172, 839 and 1,172, 840. The wiping is preferably effected using a blade, a brush or a fibrous web.
Patent GB-1266554-A (GB)
IPC: B21H1/06
Filed: 1969-07-30
Abstract: 1,266,554. Rolling rings. J. BANNING A.G. 30 July, 1969 [31 July, 1968], No. 38215/69. Heading B3M.  A four-roll ring rolling machine includes cylindrical rolls 3 and 7, which act in the inner and outer faces of a ring R, and conical rolls 14 and 17 which act on the end faces and which are automatically displaced radially of the ring in accordance with its increase in diameter during rolling. The roll 3 is stationary and rotated at constant speed by a motor 5, while the speed of rotation of the conical roll 14 is varied by a motor 16 in response to the relative positions of the roll and ring R. The conical rolls are mounted in a carriage B which is shifted hydraulically in a main frame 1 in order to position the rolls in a desired relation to the ring. The carriage is moved in response to the ring diameter as sensed by a roller 21.
Patent GB-1288394-A (GB)
IPC: E21D11/08
Filed: 1969-09-04
Abstract: 1288394 Wells etc; arcuate blocks WILLIAM F REES Ltd 4 June 1970 [4 Sept 1969] 55064/71 Divided out of 1288393 Headings E1B and E1F A tunnel lining segment has a line of weakness along which the segment will crack under excessive loading. Lines of weakness are formed by notches 11 which may be filled with waterproof compound. A lining ring formed of three segments may be erected by the method disclosed in Specification 1288393.
Patent GB-1288745-A (GB)
IPC: F16D3/68
Filed: 1968-10-11
Abstract: 1288745 Vehicle steering column STANDARD-TRIUMPH MOTOR CO Ltd 2 Oct 1969 [11 Oct 1968] 48269/68 Heading B7H [Also in Division F2] A vehicle steering column includes a flexible joint comprising two pairs of axial prongs 27, the prongs of one pair being intercalated with the prongs of the other pair and separated by interposition of resiliently deformable material 30. The central space 31 is hollow. The column also includes a pair of Hooke's joints 10, 11, the yokes 12, 13 of which are provided with serrated axial bores 14, 15 and clamping bolts 18, 19 for connection to serrated shafts extending from a steering gearbox and a steering wheel respectively.
Patent GB-1295279-A (GB)
IPC: C09D163/00
Filed: 1969-11-17
Abstract: 1295279 Artificial resin composition UNIVERSAL PROPULSION CO 17 Nov 1969 [15 Nov 1968] 56235/69 Headings C3B and C3P A thermally protective material comprises a binder and a filler mixture. The binder forms a char when subjected to heat. The filler mixture is of at least one Na phosphate and at least one NH 4  borate, or of at least one Na borate and at least one NH- phosphate. On heating there occurs a series of endothermic reactions, each successive reaction occurring at a higher temperature than the previous reaction. The char may be porous to allow the passage of gases. The binder may be a mixture of a polysulphide and an epoxide, e.g. in weight ratio of from 1 : 9 to 9 : 1; also present may be 8-12% by weight, based on the eposide, of a polyamine. The material may be prepared by mixing the epoxide and filler, and mixing the polysulphide, filler, and a curative for the epoxide, and then mixing the two mixtures. The two mixtures are liquid; after mixing and curing, at from room temperature to 350‹F. the joint mixture becomes solid. On subjection to heat, a series of reactions takes place from 100‹ to 290‹ C. These reactions include: Other fillers may also be present. Alternative binders include polyurethane, polybutadiene, neoprene, butyl, or natural rubber polysulphide alone, epoxides (alone), furane resin, polyester resin, phenolic resin, silicone resins, 2-pyrol, and linseed oil. The material may be coated on e.g. steel plates.
Patent GB-1296382-A (GB)
IPC: E01B9/10
Filed: 1969-07-30
Abstract: 1296382 Bolt sockets RESILIENT GRIP Ltd 22 July 1970 [30 July 1969 2 Aug 1969] 38197/69 and 38852/69 Heading F2H [Also in Division E1] In a fastening for flat-bottom railway rails 50 a metal base-plate 20 is secured to a foundation such as a concrete sleeper 30 by bolts 10 engaging elongated nuts 12 surrounded by axiallycompressible elastomeric sleeves 13, each nut 12 having at its lower end a corrugated foot coupling it to its sleeve 13 and at its upper end a non-circular protrusion keyed into a non- circular hole in the base-plate to prevent rotation. The sleeve 13 is located by a thin upper flange 17. The protruding upper end of nut 12 prevents over-compression of the sleeve 13. The rail 50 may be secured to the base-plate 20 by clips, but as shown seats at one side under pressed-up angled lugs 43 and on the other side is clamped by a wedge bar 60 reacting against pressed-up lugs 41.
Patent GB-1296525-A (GB)
IPC: B62D1/19
Filed: 1968-11-28
Abstract: 1296525 Collapsible steering columns CAM GEARS Ltd 27 Nov 1969 [28 Nov 1968] 56448/68 Heading B7H [Also in Division F2] A collapsible steering column comprises upper 3 and lower 2 portions of a telescopic steering shaft 1 normally retained in an extended condition by the interengagement of both parts of the shaft by a shear pin 4, the shaft being surrounded by upper 8 and lower 7 portions of a telescopic tubular casing 6 which portions are mounted on the shaft portions by bearings 10, 14 at each end. The casing portions are mounted in a firewall 18 at the lower end and in a mounting 21 fixed to a bracket of the instrument panel of the vehicle such that on collapse of the steering column due to the impact at either end of it the outer casing portion can move relatively to its mounting. The mounting 21 may include preloaded balls or pegs which indent the casing portion 8 and due to the resistance imposed when the casing is forced to move relative to the mounting it absorbs impact load imposed. Alternatively, the casing portions may be supported by rubber grommets. A ball and indentation arrangement may be provided between the upper and lower portions of the casing.
Patent GB-1296840-A (GB)
IPC: D04H1/54
Filed: 1969-12-16
Abstract: 1296840 Bonded fibre fabric KIMBERLY-CLARK CORP 16 Dec 1969 [16 Dec 1968] 61277/69 Headings D1R and D1S A web of random-laid wood-pulp fibres having a basis weight of 5 to 50 1bs per 2880 sq. ft. has a series of compacted fibre-bonded areas which are spaced apart across both dimensions of the web by a distance which is less than the average length of the fibres, the thickness of the relatively uncompacted areas of the web being at least 2.5 times the thickness of the bonded areas. Preferably the fibres are less than 0.5 inches in length. Preferably an air laid batt 30 of 1-5 mm wood pulp fibres, is sprayed with water at 36, lightly calendered, sprayed a second time with water and embossed between a steel roll 46 bearing e.g. a diamond pattern and a resilient nylon roll 44. A pattern of compressed areas, 15 to 35 per linear inch, comprising 5-40% of the web, is produced. Hydrogen bonding is brought about in these areas by the pressure, which also reduces their thickness to 40% or 20%, or less of the less compressed portions. Aqueous solutions of urea formaldehyde,. melamine formaldehyde, polyamine or polyimine may be sprayed onto the batt before or after embossing, or may be applied to embossing roller 46 via pick-up and transfer rollers (Fig. 8, not shown). The web may be sprayed with starch at 42 or 58 to prevent linting. A batch process for air-laying the web is described (Fig. 4, not shown). Testing fabrics. The real sheet density of the fabric, i.e. its weight divided by the volume enclosed between the opposite (contoured) surfaces of the web may be determined in 2 ways. In one a weighed sample is saturated with a low viscosity mineral oil, repeatedly laid on a polyethylene sheet to remove excess oil, and reweighed. Alternatively a sample is embedded in resin, microtomed along the machine direction to form 80 sections. The sheet outlines in these sections is planimetered, the area summed and multiplied by the section thickness to give the sample volume.
Patent GB-1296953-A (GB)
IPC: B66F9/20
Filed: 1971-04-26
Abstract: 1296953 Hose reel assemblies; taking up slack in flexible elements; masted lift trucks CLARK EQUIPMENT CO 26 April 1971 [1 June 1970] 11329/71 Headings B8B B8H and B8M A hose mounting assembly, especially for lift trucks, comprises two reels 70, 72 on a shaft 74, two fluid passages 112, 112<SP>1</SP> in the shaft 74 for communicating separately with a hose coupling 110, 110<SP>1</SP> on each reel, and a coil spring 90, 92 for each reel for urging the reels independently to wind on hose attached to the couplings to keep the hose in a taut condition. Each reel has inner and outer radial flanges 82, 80 attached by screws to a hub 76 which is rotatable on the shaft 74. An annular groove 114 is provided between the hub 76 and shaft 74, which groove communicates with the appropriate fluid passage 112 and hose coupling 110. Each coil spring 90, 92 is attached to the inner flange 82, 82<SP>1</SP> of the respective reel 70, 72 and is keyed at its inner end to a spacer member 106 between the reels 70, 72, which spacer member 106 is keyed to the shaft 74. The fluid passages 112, 1121 extend through the shaft 74 from one end to the other. One end of the passages 112, 112<SP>1</SP> is in communication with feed hoses 40, 42 respectively by means of a fixing bracket 132 having fluid ports. The other end of the passages 112, 112<SP>1</SP> are closed by means of a cover-plate 122. The bracket 132 and cover-plate 122 are interchangeable. The outer flange 80, 80<SP>1</SP> of each reel is provided with a hole for access to the hose coupling 110, 110<SP>1 </SP>respectively. In a preferred embodiment, a hose reel assembly as described above is mounted at each side of the upright of a conventional lift truck.
Patent GB-1305075-A (GB)
IPC: H01Q13/02
Filed: 1970-09-09
Abstract: 1305075 Aerials MULLARD Ltd 26 Nov 1971 [9 Sept 1970 23 April 1971] 43150/70 and 11022/71 Heading H4A An E-plane radiating horn in which the width of a portion thereof decreases as the angular distance from the axis increases, in order to raise the velocity of propagation along off-axis paths, is made asymmetric about an H-plane containing the central longitudinal axis of a rectangular waveguide from which the horn is derived. Consequently, the horn has a polar radiation diagram which is asymmetric about said H-plane. As described, a length of rectangular waveguide W, Fig. 3, is mounted ot one end upon a flange R, and is expanded into an E-plane horn at the other end. Two trapezoidal members J flare respectively upwardly and downwardly from the broad walls of the waveguide to the aperture of the horn, their widths being less at the aperture than at the waveguide. Two parallel members F extend downwardly from the narrow walls of the waveguide, and in the planes thereof, to the aperture. The edges of the lower member J and the lower edges of the members F are connected by triangular members K. Triangular members M extend upwardly from the upper edges of the members F and are connected to triangular members N which extend downwardly from the edges of the upper member J, thus completing the horn. In a second embodiment the members N are omitted, and the members M extend from the upper edges of the members F to the edges of the upper member J (Fig. not shown).
Patent GB-1308226-A (GB)
Title: Smoke abatement process
IPC: F23G7/06
Filed: 1970-08-04
Abstract: 1308226 Consuming obnoxious elements in smoke R F DE CASTRO-ENTERPRISES Inc 4 Aug 1970 37690/70 Headmg F4B. Deleterious products in the chimney 1 of a coal burning plant, e.g. a power station are consumed by injecting an aqueous solution of methyl or ethyl alcohol through nozzle 6 and a solution of hydrogen peroxide through nozzle 8, creating a fine mist of the same by pressurized air or oxygen from nozzle 15 and igniting the resultant mixture by-a burner flame 25. In a modification (Fig. 2), gases from a nitric acid plant are burnt at the first of a stack standing on a hollow housing from which an atomizing nozzle for fuel and air extends. upwardly into said stack, the mixture being ignited by electrodes disposed just above said nozzle. The effluent gases are sampled before and at the top of the stack, and the housing shelters an alcohol fuel pump and an air pump.
Patent GB-1314088-A (GB)
Title: Polymeridsation process
IPC: C08F10/14
Filed: 1970-05-12
Abstract: 1314088 Polymerization of 4-methylpentene-1 IMPERIAL CHEMICAL INDUSTRIES Ltd 10 May 1971 [12 May 1970] 22910/70 Heading C3P 4-Methylpentene-1 is homo-polymerized or co-polymerized with a 1-olefin in bulk or in the presence of up to an equal weight of an inert hydrocarbon by means of a catalyst comprising TiCl 3 , an organoaluminium compound and a heterocyclic compound of which at least one hetero-atom is nitrogen. The examples describe the copolymerization of 4-methylpentene-1 with a small amount of decene-1, the heterocyclic compound being pyridine. Comparative examples describe the use of water, Et 3 N 1 (n- Bu) 3 N, dimethyl formamide, dimethyl sulphone or hexamethyl phosphoric triamide instead of the heterocyclic compound. The effect of adding a small amount of water to the pyridine-containing catalyst is also described.
Patent GB-1315655-A (GB)
Title: Mounting of panels in frames
IPC: E06B3/58
Filed: 1969-06-23
Abstract: 1315655 Frame side members; glazing FINMARK Ltd 19 May 1970 [23 June 1969] 31631/69 Headings E1J and E1R A frame side member and panel mounting assembly is constituted by a hollow or solid extruded plastics or aluminium bar 10 provided on one side with a rib 11 having on one or both sides a groove 17, 18 and a separate channelled panel support member 20 having a base 21 adapted to seat on the face of the bar bearing the ribs a stop flange 22 for the panel 24, and a flange 23 which engages the rib; and a clip 28 of extruded metal or plastics adapted to span the rib and engaging flange and extend into the space between the rib 11 and flange 22 to hold the panel in position, the clip having a rib 33 to engage in the groove 18. In an alternative form the clip may be of substantially U-shape. The support member 20 may have a further control flange to provide for two parallel panes or doors, either or both being slidable. A further rib 35 may be provided on one of the other sides of the bar 10. Both ribs 11, 35 may be integral with or welded to the bar 10.
Patent GB-1319415-A (GB)
Title: 3-pyridylmethyl n-nicotinoylglycinate
IPC: C07D213/30
Filed: 1971-01-08
Abstract: 1319415 3-Pyridylmethyl N-nicotinoylglycinate SOC D'ETUDES DE PRODUITS CHIMIQUES 7 Jan 1972 [8 Jan 1971] 942/71 Heading C2C The novel title compound is obtained by reacting 3-pyridinemethanol with N-nicotinoylglycine, obtained by hydrolysing ethyl N- nicotinoylglycinate resulting from the reaction of nicotinoyl chloride hydrochloride on glycine hydrochloride. Pharmaceutical compositions, suitable for oral or parenteral administration, contain the above novel compound in admixture with therapeutically tolerable diluents or carriers. The compounds possess hypolipemic and hypocholesterolemic activities.
Patent GB-1329599-A (GB)
Title: S-udge remover
IPC: B01D21/04
Filed: 1970-12-01
Abstract: 1329599 Settling tank cleaning devices J C STENGELIN 1 Dec 1970 56919/70 Heading B1D A rectangular sewage settling tank is cleaned of settled sludge and floating mater by respective plates 7 and 29 which are suspended from a bridge reciprocated along the tank by winch 2, the plates being placed in their operative positions during rightward movement (Fig. 2) and in inoperative positions during leftward movement by levers 15, 16 which engage respective stops 13, 14 on the side of the tank when the bridge approaches either end position. The bridge is mounted on a trolley 3 running along a tubular rail 4 on top of a wall dividing the tank into separate basins. Plate 7 (in each 'basin) is secured to a shaft 27 which carries sprockets 26 connected by drive chains 25 to other sprockets (24) (Fig. 6, not shown) on an upper shaft 23. Chains 25 also support plate 29 (in each basin) between them. During rightward travel, shaft 23 is locked by a pawl 18 engaging one end of a recess 34 in a disc 35 keyed to shaft 23 (Fig. 4), but when lever 15 strikes its stop 13 it pivots clockwise until lug 37 engages pawl 18 and releases the disc 35. Then further movement of the bridge causes lever 16 to engage stop 14 which turns the shaft 23 through 90 degrees, lever 16 being keyed to shaft 23, thereby moving chains 25 to lift plate 29 out of the liquid and pivot plate 7 to the horizontal position, and pawl 19 then engages step 38 of recess 34 to lock shaft 23. Thereafter the bridge engages a limit switch 39 to reverse winch 2 and begin the leftward movement. At the left-hand end of the tank a similar sequence restores the plates 7, 29 to their operative positions and limit switch 40 reverses the winch again.
Patent GB-1331197-A (GB)
Title: Production of foils
IPC: D21H17/51
Filed: 1972-01-27
Abstract: 1331197 Resin-impregnated foil BRITISH INDUSTRIAL PLASTICS Ltd 27 Jan 1972 [2 Feb 1971] 3652/71 Headings D1P and D2B A resin-impregnated foil is made by impregnating an absorbent sheet with an aqueous solution of a latent acid catalyst, electrostatically depositing a thermosetting resinous material thereon, and pressing the latter material into the sheet. The absorbent sheet may be a woven; knitted, or non-woven material e.g. paper. The latent acid catalyst may be MgCl 2 , Zn(NO 3 ) 2 , Al 2 (SO 4 ) 3 , or propanolamine hydrochloride. A plasticiser may be included in the aqueous solution of the latent acid catalyst. The resinous material may be powdered melamine-formaldehyde resin optionally containing modifying additives such as condensation products of formaldehyde with a guanamine derivative or 2-cyclohexyl-4, 6-diamino-s-triazine, and dimethylol ethylene urea.