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Glass fibre attenuator
Stretching device for filaments or strands Baldini, G. and Trentini, G. (Beloit Corporation) US Pat 3 969 800 (20July 1976) A mechanism for producing plastics filaments.
Apparatus for stoage of filamentary material Pfarrwaller, E. (Sulzer Brothers Limited) US Pat 3 971 522 (27July 1976)
Carbon fibre composites Wrzesien, A.P., Whitney, I. and Katona, J. (Hyfil Limited) US Pat 3 971 669 Composite dowel pin for dental models (27July 1976) Kulig, F.M., Semrow, R.A. and Yorgensen, A method of producing a composite, H.P. Jr. (The J.M. Ney Company) shaped article from a high bulk, low US Pat 3 969 820 {20 July 1976) density felt made from continuous A composite dowel pin for dental carbonisable filaments in an oxidised models consisting of a metal pin with state. an elongated body member of synthetic resin moulded around it. Method of making an elongate, transversely reinforced metal sheet Abbot, R. (Fruehauf Corporation) Method of fastening sheet material US Pat 3 971 688 (27July 1976) Calderazzo, F.J. (Pitney-Bowes Inc) A reinforced metal sheet is made by US Pat 3 969 992 (20July 1976) separately applying a heated, fluid hot A method of mechnically bonding melt adhesive and a catalyzed, room sheets of material so as to form a temperature curing adhesive along and unitized body. within the confines of a bonding surface of a structural member, keeping Method of weaving a composite tube the structural member and a metal and web and resulting article sheet separated, and, while the hot Takada, T. and Takada, J. US Pat melt adhesive is fluid, pressing the two 3 970 116 {20July 1976) components together to bond them. Method of manufacturing composite materials Cannell, J.C., Leaper, R.S. and Parratt, N.J. US Pat 3 970 136 (20 July 1976) A process for forming a composite material of a metal matrix with nonmetallic fibrous reinforcement. Anisotropic road surface Goyer, A. and Smadja, R. (Mobile Oil Corporation) US Pat 3 970 403 (20 July 1976) An anisotropic road surface made with a road-bed, a mastic binder superimposed on the road-bed, and consisting of asphalt containing an inert filler, and a layer of gravel particles. Manufacture of laminates of sheet metal, polythene and aluminium foil Menzies, J.I. (Heatshield Research and Development Pty Ltd) US Pat 3 970 496 (20 July 1976) A method for increasing the bond strength of a bonded laminate of two metallic layers joined by a thermal plastics adhesive. Mechanism for preventing the adverse effects of centrifugal force in a strand winding machine Ikegami, Y. et al. (Kobe Steel Ltd) US Pat 3 971 519 (27July 1976)
COMPOSITES. OCTOBER 1977
Method for producing deckle-free edges and windows in moulded fibre products Peppler, W.S. (Diamond International Corporation) US Pat 3 971 689 {27July 1976)
ization initiator and ethylenicaUy unsaturated monomer which has been polymerized to a resin matrix by the indicator free radicals.
Production of high strength carbide fibres by heat treatment Economy, J., Lin, R.Y. and Smith, W.D. (Carborundum Company) US Pat 3 971 840 (27July 1976) A process for strengthening curled fibres made from one or more of the carbides of B, Cr, Mo, Hf, Zr, Ta and Nb in which the carbide containing fibre is heated at a temperature of 2050°-2300°C for up to 10 mins and is then subjected to a tensile stress of 1.4-2.4 MN/m 2 to remove internal fibre stresses, straighten the fibre and hence increase the fibre's tensile strength. Texturizing size and glass fibres coated with same Haynes, H.L. and Harvey, M.J. (OwensCorning Fibreglas Corporation) US Pat 3 971 871 (27July 1976) Glass fibres having a coating consisting of a starch, a nonionic lubricant, a nonionic lubricant emulsifier, bis-beta3-(2-heptadecylimidazotyl) ether amine, and a humectant. Machine for forming fibre webs Wood, D.E. (Rando Machine Corporation) US Pat 3 972 092 {3 August 19 76)
Graphite powder-polyphenylene mixtures and composites Wang, C.-S. and Blaha, E.W. (Standard Oil Company) US Pat 3 971 748 (27 July 1976) A mouldable resin mixture comprising: 25 to 95% graphite powder; 5 to 75% branched polyphenylene and 0 to 30% branched nitropolyphenytene.
Reinforced tubular materials and process McNeil, W.F. US Pat 3 9 72 529 (3 August 1976) A reinforced metallic element having increased strength and stiffness, comprising a thin walled, hollow, elongate metallic body with circumferentially spaced slots, each of which contains a continuous strip of unidirectional Fire resistant epoxy resins cured with graphite fibre composition bonded to phosphorus trihalides fill the slots; each of the strips has a Foley, K.M., Bell, R.G. and McCombs, F.P. (Owens-Coming Fibreglass Corpora- lower specific gravity than the metallic tion) USPat 3 971 750 (27July 1976) body. A curable epoxy system consisting essentially of an uncured epoxy resin Method and apparatus for producing and a hardening agent of phosphorus fibres from heat-softenable materials trihalide. McCormick, R.O. and Slonaker, R.O. (Owens-Corning Fibreglass Corporation) Polymer composites and preparation US Pat 3 972 702 (3August 1976) thereof Frechtling, A.C., Johnston, N.W. and Glass fibre attenuator Shaw, R.G. (Union Carbide Drummond, W.W. (PPG Industries Inc) Corporation) US Pat 3 971 753 (27 US Pat 3 972 703 (3 August 1976) July 1976) A means of producing glass fibre by A composite comprising a filler substrate, an organic free radical polymerpassing molten glass throiigh orifices
267
in a bushing, gathering the fibres into strands and then applying attenuation forces to the fibres. Organic reinforcement fillers for rubber Schwab, F.C. and Murray, J.G. (Mobil Oil Corporation) US Pat 3 972 963 [3 August 1976) A process for producing an organic reinforcing filler for rubber that consists of slurry polymerizing a reaction mixture of styrene, divinylbenzene, and an anionic polymerization initiator. Use of hot buoyant liquid to convert pitch to continuous carbon filament Kohn, E.M. (Sun Oil Company) US Pat 3 972 968 (3 August 1976) A process of producing continuous carbon filaments by means of passing a stream of molten carbon forming pitch upwards through two layers of a liquid blend of molten inorganic salts and oxide: this substantially reduces the pitch's hydrogen content. The pitch finally enters an inert atmosphere at a temperature of about 1000°C thus forming it into carbon filament. Manufacture of cement-resin composite articles Rio, A., Cerrone, M. and Saini, A. US Pat 3 972 969 (3August 1976) A process for manufacturing cement articles with very high mechanical strength by forming articles of a desired shape from a mixture of mortar and concrete prepared from water, Portland cement having a high siticic modulus, pozzolana cement and a mixture consisting of 50 to 90% Portland cement and 50 to 10% of reactive siliceous material. The articles are pre-aged at room temperature and then steam-cured in an autoclave. The steam-cured articles are maintained in an anhydrous environment at an elevated temperature thereby producing porous articles; these are impregnated with a liquid monomeric polymerizable substance in an amount of the order of 10-15% which is polymerized in situ. Process for producing a board of cement-like material reinforced by fibrous material and apparatus for the process Yano, T. et al. (Onoda Cement Company) US Pat 3 9 72 9 72 (3 August 19 76) A process for continuously producing a dense board in which granules of cement-like material are prepared by adding water to a powdery cement-like
268
material, and then mixing this with the fibrous material by means of a panshaped pelletizer or a drum-type rotary system mixer; this mixture is formed into a board under compression with the addition of water such that the total amount of water is the minimum amount theoretically required for hydration. Moulding process for unsaturated polyester resins containing filler material Fry, D.P. (BP Chemicals International Limited) US Pat 3 972 977(3August 1976) Process for the preparation of carbon fibre Iizuka, M., Sugiyama, N. and Hisatomi, Y. (Nippon Carbon Co Ltd) US Pat 3 9 72 984 (3 August, 1976) A process for the preparation of carbon fibres having improved strength and surface activity, in which polyacrylonitrile fibres are heated under tension in an oxidizing atmosphere and then further heated in an atmosphere containing 0.2 to 10% of gaseous hydrogen chloride, 0.5 to 6% of moisture and the remainder an inert gas, to carbonize the oxidized fibres thereby producing carbon fibres.
material, consisting of a bundle of sized glass fibres coated in a phenolic resin and elastomer composition. Reinforced sealed joint for membrane segments Seaman, N.R. (Seaman Corporation) US Pat 3 9 73 364 (10 August 19 76J Tyre reinforcement Marzocchi, A., Leary, D.E. (OwensComing Fiberglas Corporation) US Pat 3 9 73 613 [10 August 19 76J In a pneumatic tyre construction an improvement consisting of at least one folded reinforcing belt within the crown peripherally circling the carcass of the tyre beneath the tread; the belt contains mutually parallel cords. Alkali resistant glass compositions and alkali resistant glass fibres prepared therefrom Ohtomo, K. and Yoshimura, T. (Kanebo Ltd) US Pat 3 9 73 9 74 (10 August 19 76) A method and composition for producing 5-50/zm diameter alkali resistant glass fibres based on SiO2, ZrO2 and an alkali earth metal oxide.
Process for producing board of cement-like material reinforced by glass fiber Yano, T., Ichikawa, K., Take, T. and Method for the preparation of porous Sasano, T. (Onodo Cement Co Ltd) ferrous metal impregnated with US Pat 3 974 024 (10 August 1976) magnesium metal A process for continuously producing Easwaran, J. and Foerster, G.S. (NL a dense board of cement-like Industries, Inc) US Pat 3 973 061 material reinforced by glass fibres. A (3 August 1976) process for continuously producing a A process for producing a porous ferrous light board of air-dispersed cement-like metal network impregnated with material reinforced by glass fibres. magnesium from scrap ferrous metal. The scrap is compacted under pressure to form a porous network which is then Process for producing carbon fibers from mesophase pitch immersed into a molten bath of magnesium to impregnate it with magnesium. McHenry, E.R. (Union Carbide Corp) US Pat 3 264 (10 August 1976) A process for producing a highSpot blocked thermoplastic film modulus, high-strength carbon fibre laminate by spinning fibre from a nonthixoClayton, W.J. (Mobil Oil Corporation) tropic carbonaceous mesophase pitch, US Pat 3 973 063 (3 August 1976) thermosetting the fibre and then A laminate of at least two thermocarbonizing the thermoset fibre. plastic films having parallel embossed ribs running in at least one direction: Artificial tennis-playing court and the films are blocked together at spots process along each rib, whereby the films are Stevens, J. and Slosberg, D.K. joined discontinuously. (Pandel-Bradford Inc) US Pat 3 974 312 (10 August 1976} An artificial surface material having a Glass fibre material having strength flat, woven,fibre-glass base sheet, from retention in a moist environment one side of which protrude fine upright Fahey, D.M. (PPG Industries Inc) US Pat 3 973 071 (3 August 1976) glass fibres which are coated with a A glass fibre bundle, suitable for resin. A backing sheet is secured to reinforcing a host elastomeric the other side of the base sheet.
COMPOSITES. OCTOBER 1977
Apparatus for stoage of filamentary material Pfarrwaller, E. (Sulzer Brothers Limited) US Pat 3 971 522 (27July 1976)
Carbon fibre composites Wrzesien, A.P., Whitney, I. and Katona, J. (Hyfil Limited) US Pat 3 971 669 Composite dowel pin for dental models (27July 1976) Kulig, F.M., Semrow, R.A. and Yorgensen, A method of producing a composite, H.P. Jr. (The J.M. Ney Company) shaped article from a high bulk, low US Pat 3 969 820 {20 July 1976) density felt made from continuous A composite dowel pin for dental carbonisable filaments in an oxidised models consisting of a metal pin with state. an elongated body member of synthetic resin moulded around it. Method of making an elongate, transversely reinforced metal sheet Abbot, R. (Fruehauf Corporation) Method of fastening sheet material US Pat 3 971 688 (27July 1976) Calderazzo, F.J. (Pitney-Bowes Inc) A reinforced metal sheet is made by US Pat 3 969 992 (20July 1976) separately applying a heated, fluid hot A method of mechnically bonding melt adhesive and a catalyzed, room sheets of material so as to form a temperature curing adhesive along and unitized body. within the confines of a bonding surface of a structural member, keeping Method of weaving a composite tube the structural member and a metal and web and resulting article sheet separated, and, while the hot Takada, T. and Takada, J. US Pat melt adhesive is fluid, pressing the two 3 970 116 {20July 1976) components together to bond them. Method of manufacturing composite materials Cannell, J.C., Leaper, R.S. and Parratt, N.J. US Pat 3 970 136 (20 July 1976) A process for forming a composite material of a metal matrix with nonmetallic fibrous reinforcement. Anisotropic road surface Goyer, A. and Smadja, R. (Mobile Oil Corporation) US Pat 3 970 403 (20 July 1976) An anisotropic road surface made with a road-bed, a mastic binder superimposed on the road-bed, and consisting of asphalt containing an inert filler, and a layer of gravel particles. Manufacture of laminates of sheet metal, polythene and aluminium foil Menzies, J.I. (Heatshield Research and Development Pty Ltd) US Pat 3 970 496 (20 July 1976) A method for increasing the bond strength of a bonded laminate of two metallic layers joined by a thermal plastics adhesive. Mechanism for preventing the adverse effects of centrifugal force in a strand winding machine Ikegami, Y. et al. (Kobe Steel Ltd) US Pat 3 971 519 (27July 1976)
COMPOSITES. OCTOBER 1977
Method for producing deckle-free edges and windows in moulded fibre products Peppler, W.S. (Diamond International Corporation) US Pat 3 971 689 {27July 1976)
ization initiator and ethylenicaUy unsaturated monomer which has been polymerized to a resin matrix by the indicator free radicals.
Production of high strength carbide fibres by heat treatment Economy, J., Lin, R.Y. and Smith, W.D. (Carborundum Company) US Pat 3 971 840 (27July 1976) A process for strengthening curled fibres made from one or more of the carbides of B, Cr, Mo, Hf, Zr, Ta and Nb in which the carbide containing fibre is heated at a temperature of 2050°-2300°C for up to 10 mins and is then subjected to a tensile stress of 1.4-2.4 MN/m 2 to remove internal fibre stresses, straighten the fibre and hence increase the fibre's tensile strength. Texturizing size and glass fibres coated with same Haynes, H.L. and Harvey, M.J. (OwensCorning Fibreglas Corporation) US Pat 3 971 871 (27July 1976) Glass fibres having a coating consisting of a starch, a nonionic lubricant, a nonionic lubricant emulsifier, bis-beta3-(2-heptadecylimidazotyl) ether amine, and a humectant. Machine for forming fibre webs Wood, D.E. (Rando Machine Corporation) US Pat 3 972 092 {3 August 19 76)
Graphite powder-polyphenylene mixtures and composites Wang, C.-S. and Blaha, E.W. (Standard Oil Company) US Pat 3 971 748 (27 July 1976) A mouldable resin mixture comprising: 25 to 95% graphite powder; 5 to 75% branched polyphenylene and 0 to 30% branched nitropolyphenytene.
Reinforced tubular materials and process McNeil, W.F. US Pat 3 9 72 529 (3 August 1976) A reinforced metallic element having increased strength and stiffness, comprising a thin walled, hollow, elongate metallic body with circumferentially spaced slots, each of which contains a continuous strip of unidirectional Fire resistant epoxy resins cured with graphite fibre composition bonded to phosphorus trihalides fill the slots; each of the strips has a Foley, K.M., Bell, R.G. and McCombs, F.P. (Owens-Coming Fibreglass Corpora- lower specific gravity than the metallic tion) USPat 3 971 750 (27July 1976) body. A curable epoxy system consisting essentially of an uncured epoxy resin Method and apparatus for producing and a hardening agent of phosphorus fibres from heat-softenable materials trihalide. McCormick, R.O. and Slonaker, R.O. (Owens-Corning Fibreglass Corporation) Polymer composites and preparation US Pat 3 972 702 (3August 1976) thereof Frechtling, A.C., Johnston, N.W. and Glass fibre attenuator Shaw, R.G. (Union Carbide Drummond, W.W. (PPG Industries Inc) Corporation) US Pat 3 971 753 (27 US Pat 3 972 703 (3 August 1976) July 1976) A means of producing glass fibre by A composite comprising a filler substrate, an organic free radical polymerpassing molten glass throiigh orifices
267
in a bushing, gathering the fibres into strands and then applying attenuation forces to the fibres. Organic reinforcement fillers for rubber Schwab, F.C. and Murray, J.G. (Mobil Oil Corporation) US Pat 3 972 963 [3 August 1976) A process for producing an organic reinforcing filler for rubber that consists of slurry polymerizing a reaction mixture of styrene, divinylbenzene, and an anionic polymerization initiator. Use of hot buoyant liquid to convert pitch to continuous carbon filament Kohn, E.M. (Sun Oil Company) US Pat 3 972 968 (3 August 1976) A process of producing continuous carbon filaments by means of passing a stream of molten carbon forming pitch upwards through two layers of a liquid blend of molten inorganic salts and oxide: this substantially reduces the pitch's hydrogen content. The pitch finally enters an inert atmosphere at a temperature of about 1000°C thus forming it into carbon filament. Manufacture of cement-resin composite articles Rio, A., Cerrone, M. and Saini, A. US Pat 3 972 969 (3August 1976) A process for manufacturing cement articles with very high mechanical strength by forming articles of a desired shape from a mixture of mortar and concrete prepared from water, Portland cement having a high siticic modulus, pozzolana cement and a mixture consisting of 50 to 90% Portland cement and 50 to 10% of reactive siliceous material. The articles are pre-aged at room temperature and then steam-cured in an autoclave. The steam-cured articles are maintained in an anhydrous environment at an elevated temperature thereby producing porous articles; these are impregnated with a liquid monomeric polymerizable substance in an amount of the order of 10-15% which is polymerized in situ. Process for producing a board of cement-like material reinforced by fibrous material and apparatus for the process Yano, T. et al. (Onoda Cement Company) US Pat 3 9 72 9 72 (3 August 19 76) A process for continuously producing a dense board in which granules of cement-like material are prepared by adding water to a powdery cement-like
268
material, and then mixing this with the fibrous material by means of a panshaped pelletizer or a drum-type rotary system mixer; this mixture is formed into a board under compression with the addition of water such that the total amount of water is the minimum amount theoretically required for hydration. Moulding process for unsaturated polyester resins containing filler material Fry, D.P. (BP Chemicals International Limited) US Pat 3 972 977(3August 1976) Process for the preparation of carbon fibre Iizuka, M., Sugiyama, N. and Hisatomi, Y. (Nippon Carbon Co Ltd) US Pat 3 9 72 984 (3 August, 1976) A process for the preparation of carbon fibres having improved strength and surface activity, in which polyacrylonitrile fibres are heated under tension in an oxidizing atmosphere and then further heated in an atmosphere containing 0.2 to 10% of gaseous hydrogen chloride, 0.5 to 6% of moisture and the remainder an inert gas, to carbonize the oxidized fibres thereby producing carbon fibres.
material, consisting of a bundle of sized glass fibres coated in a phenolic resin and elastomer composition. Reinforced sealed joint for membrane segments Seaman, N.R. (Seaman Corporation) US Pat 3 9 73 364 (10 August 19 76J Tyre reinforcement Marzocchi, A., Leary, D.E. (OwensComing Fiberglas Corporation) US Pat 3 9 73 613 [10 August 19 76J In a pneumatic tyre construction an improvement consisting of at least one folded reinforcing belt within the crown peripherally circling the carcass of the tyre beneath the tread; the belt contains mutually parallel cords. Alkali resistant glass compositions and alkali resistant glass fibres prepared therefrom Ohtomo, K. and Yoshimura, T. (Kanebo Ltd) US Pat 3 9 73 9 74 (10 August 19 76) A method and composition for producing 5-50/zm diameter alkali resistant glass fibres based on SiO2, ZrO2 and an alkali earth metal oxide.
Process for producing board of cement-like material reinforced by glass fiber Yano, T., Ichikawa, K., Take, T. and Method for the preparation of porous Sasano, T. (Onodo Cement Co Ltd) ferrous metal impregnated with US Pat 3 974 024 (10 August 1976) magnesium metal A process for continuously producing Easwaran, J. and Foerster, G.S. (NL a dense board of cement-like Industries, Inc) US Pat 3 973 061 material reinforced by glass fibres. A (3 August 1976) process for continuously producing a A process for producing a porous ferrous light board of air-dispersed cement-like metal network impregnated with material reinforced by glass fibres. magnesium from scrap ferrous metal. The scrap is compacted under pressure to form a porous network which is then Process for producing carbon fibers from mesophase pitch immersed into a molten bath of magnesium to impregnate it with magnesium. McHenry, E.R. (Union Carbide Corp) US Pat 3 264 (10 August 1976) A process for producing a highSpot blocked thermoplastic film modulus, high-strength carbon fibre laminate by spinning fibre from a nonthixoClayton, W.J. (Mobil Oil Corporation) tropic carbonaceous mesophase pitch, US Pat 3 973 063 (3 August 1976) thermosetting the fibre and then A laminate of at least two thermocarbonizing the thermoset fibre. plastic films having parallel embossed ribs running in at least one direction: Artificial tennis-playing court and the films are blocked together at spots process along each rib, whereby the films are Stevens, J. and Slosberg, D.K. joined discontinuously. (Pandel-Bradford Inc) US Pat 3 974 312 (10 August 1976} An artificial surface material having a Glass fibre material having strength flat, woven,fibre-glass base sheet, from retention in a moist environment one side of which protrude fine upright Fahey, D.M. (PPG Industries Inc) US Pat 3 973 071 (3 August 1976) glass fibres which are coated with a A glass fibre bundle, suitable for resin. A backing sheet is secured to reinforcing a host elastomeric the other side of the base sheet.
COMPOSITES. OCTOBER 1977