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Composite wear-resistant alloy, and tools from same
and Toyo Boseki Kabushiki Kaisha) US Pat 4 009 305 (22 February 1977) The surface of the fibres is oxidised and then this oxidized layer is reacted with ammonia, organic amine, lactam or aminocarboxylic acid at a temperature of loo--500°C for 1 minute to 5 hours. Sandwich wall glass fibre reinforced construction and method of making same Gilbu, A. (Owens-Corning Fiberglas Corporation) US Pat 4 009 736 (1 March 1977) A composite wall structure, for fluid retention, having spaced, concentric tubular inner and outer shells each formed of glass fibre-reinforced polymeric material.
Process for producing carbon fibres Matsumura, Y., Kishimoto, S. and Ozaki, M. (Japan Exlan Company Limited) US Pat 4 009 991 (I March 1977) A process for producing carbon fibres in which acrylonitrile fibres are continuously heat-treated up to their crystal collapse starting temperature; the fibres are kept simultaneously under a fiied length or tension in an oxidizing atmosphere. Thermal stabilization is then carried out, and the stabilized fibres are treated with a reducing liquid and subsequently graphitised. Method of fabricating a filamentreinforced composite article Rothman, E.A. (United Technologies Corporation) US Pat 4 010 884 (8 March 19 77) A method of making an impactresistant filament-reinforced composite article containing boron filaments in a titanium matrix. Composite wear-resistant alloy, and tools from same Helton, E.L. et al (Caterpillar Tractor Co) US Pat 4 011 061 (8 March 1977) A composite alloy having high wear resistance, consisting of cast spheroids of a chromium-iron based alloy embedded in a matrix of a second tough, ductile alloy in which the first alloy is soluble with difficulty. Reinforced thermoplastic polyester compositions Wambach, A.D. (General Electric Company) US Pat 4 01 I 193 (8 March 1977)
134
A reinforced thermoplastic composition which consists of a high molecular weight poly (1,4-butylene terephthalate) resin, and potassium titanate (in the form of single crystal filaments). The potassium titanate is present in an amount sufficient to reinforce the composition but not in excess of that which embrittles the composition.
Method and apparatus for making tubular resin elements such as pipes Drostholm, F.H. and Meyer, L.S. (Frede Hilmar Drostholm) US Pat 4 011354 (8 March 1977) The manufacture of tubular, fibrereinforced resin elements is described. Steel member for reinforcing rubber compositions and method making same Chamberlain, J.M. (Monsanto Company) US Pat 4 011899 (15 March 1977) A pneumatic tyre having a number of rectangular steel reinforcing ribbons. Aluminium alloy reinforced with alumina fibres and lithium wetting agent Riewald, P.G., Krueger, W.H. and Dhingra, A.K. (E.I. Du Pont de Nemours and Company) US Pat 4 012 204 (15 March 1977) A composite of an aluminium alloy matrix reinforced with lo-80% by volume of polycrystalhne alumina fibres: the matrix also contains about OS-5.5% by weight of lithium. Ductile eutectic superalloy for directional solidification Lemkey, F.D. (United Technologies Corporation) US Pat 4 012 241 (15 March 19 77) A directionally solidified eutectic nickel alloy having a matrix of gamma prime (Ni&) and at least 20% of an alpha (MO) fibrous second phase in an aligned form. Method and apparatus for filament winding on a corrugated form to produce a cylindrical corrugated glass fibre part Magee, D.L., Bailey, W.A. and Bailey, R.P. US Pat 4 012 266 (15 Afarch 1977) Recess for producing pultruded clad composites Klein, T.H. (Bell Telephone Laboratories Inc) US Pat 4 012 267(15 March 1977) A continuous process for forming a composite of a fibrous material clad with metal foil.
High strength composite structure Slysh, P. (General Dynamics Corporation) US Pat 4 012 549 (15 March 1977) A composite structure made from a skin sheet and a uniform, repeating triangular pattern of two sets of upstanding flanged ribs, integral with the skin. A groove in the outer surface of each flange on one set of the ribs is filled with a composite material strip containing high-strength fibres embedded in a supporting matrix. Composite tubing DeLorean, J.Z. and Dirks, C.L. (John Z. DeLorean Corporation) US Pat 4 013 IO2 (22 March 19 77) A composite rigid tubular structure made of a rigidified tubular core member; a compressed initially foam material helically wrapped about the core element; a layer of reinforcing elements helically wrapped about the foam material; and a thermoset resinous matrix filing the compressed open-cells of the foam material and encapsulating the reinforcing elements. Process for increasing resistance of glass products to cement and cementitious mixtures thereof Meyer, H. (Jenaer Glaswerk Schott & Gen) US Pat 4 013 4 78 (22 March 1977) The glass is coated with a water soluble zinc salt of a weak acid before being used to reinforce Portland cement materials. Composite superconducting materials Gr.anger, R., Labsley, A. and Rolland, S. (Brevatome) US Pat 4 013 591 (22 March I9 77) The material consists of a monocrystalline matrix (of a semiconductor substance exhibiting superconducting properties) containing microprecipitates. Outer wrap for pipelines McNulty, F.E. US Pat 4 014 370 (29 March 19 77) A metal conduit is coated with a layer of a cold flowable, adherent, waterproofing material over which is wound a continuous strip of a porous fabric woven of flat thermoplastic fibres. Method of making carbon cloth from pitch based fiber Schultz, D.A. (Union Carbide Corporation) US Pat 4 104 725 (29 March 1977) A process for producing carbon cloth using carbon fibres produced from coal-pitch.
COMPOSITES
. APRIL
1978
Process for producing carbon fibres Matsumura, Y., Kishimoto, S. and Ozaki, M. (Japan Exlan Company Limited) US Pat 4 009 991 (I March 1977) A process for producing carbon fibres in which acrylonitrile fibres are continuously heat-treated up to their crystal collapse starting temperature; the fibres are kept simultaneously under a fiied length or tension in an oxidizing atmosphere. Thermal stabilization is then carried out, and the stabilized fibres are treated with a reducing liquid and subsequently graphitised. Method of fabricating a filamentreinforced composite article Rothman, E.A. (United Technologies Corporation) US Pat 4 010 884 (8 March 19 77) A method of making an impactresistant filament-reinforced composite article containing boron filaments in a titanium matrix. Composite wear-resistant alloy, and tools from same Helton, E.L. et al (Caterpillar Tractor Co) US Pat 4 011 061 (8 March 1977) A composite alloy having high wear resistance, consisting of cast spheroids of a chromium-iron based alloy embedded in a matrix of a second tough, ductile alloy in which the first alloy is soluble with difficulty. Reinforced thermoplastic polyester compositions Wambach, A.D. (General Electric Company) US Pat 4 01 I 193 (8 March 1977)
134
A reinforced thermoplastic composition which consists of a high molecular weight poly (1,4-butylene terephthalate) resin, and potassium titanate (in the form of single crystal filaments). The potassium titanate is present in an amount sufficient to reinforce the composition but not in excess of that which embrittles the composition.
Method and apparatus for making tubular resin elements such as pipes Drostholm, F.H. and Meyer, L.S. (Frede Hilmar Drostholm) US Pat 4 011354 (8 March 1977) The manufacture of tubular, fibrereinforced resin elements is described. Steel member for reinforcing rubber compositions and method making same Chamberlain, J.M. (Monsanto Company) US Pat 4 011899 (15 March 1977) A pneumatic tyre having a number of rectangular steel reinforcing ribbons. Aluminium alloy reinforced with alumina fibres and lithium wetting agent Riewald, P.G., Krueger, W.H. and Dhingra, A.K. (E.I. Du Pont de Nemours and Company) US Pat 4 012 204 (15 March 1977) A composite of an aluminium alloy matrix reinforced with lo-80% by volume of polycrystalhne alumina fibres: the matrix also contains about OS-5.5% by weight of lithium. Ductile eutectic superalloy for directional solidification Lemkey, F.D. (United Technologies Corporation) US Pat 4 012 241 (15 March 19 77) A directionally solidified eutectic nickel alloy having a matrix of gamma prime (Ni&) and at least 20% of an alpha (MO) fibrous second phase in an aligned form. Method and apparatus for filament winding on a corrugated form to produce a cylindrical corrugated glass fibre part Magee, D.L., Bailey, W.A. and Bailey, R.P. US Pat 4 012 266 (15 Afarch 1977) Recess for producing pultruded clad composites Klein, T.H. (Bell Telephone Laboratories Inc) US Pat 4 012 267(15 March 1977) A continuous process for forming a composite of a fibrous material clad with metal foil.
High strength composite structure Slysh, P. (General Dynamics Corporation) US Pat 4 012 549 (15 March 1977) A composite structure made from a skin sheet and a uniform, repeating triangular pattern of two sets of upstanding flanged ribs, integral with the skin. A groove in the outer surface of each flange on one set of the ribs is filled with a composite material strip containing high-strength fibres embedded in a supporting matrix. Composite tubing DeLorean, J.Z. and Dirks, C.L. (John Z. DeLorean Corporation) US Pat 4 013 IO2 (22 March 19 77) A composite rigid tubular structure made of a rigidified tubular core member; a compressed initially foam material helically wrapped about the core element; a layer of reinforcing elements helically wrapped about the foam material; and a thermoset resinous matrix filing the compressed open-cells of the foam material and encapsulating the reinforcing elements. Process for increasing resistance of glass products to cement and cementitious mixtures thereof Meyer, H. (Jenaer Glaswerk Schott & Gen) US Pat 4 013 4 78 (22 March 1977) The glass is coated with a water soluble zinc salt of a weak acid before being used to reinforce Portland cement materials. Composite superconducting materials Gr.anger, R., Labsley, A. and Rolland, S. (Brevatome) US Pat 4 013 591 (22 March I9 77) The material consists of a monocrystalline matrix (of a semiconductor substance exhibiting superconducting properties) containing microprecipitates. Outer wrap for pipelines McNulty, F.E. US Pat 4 014 370 (29 March 19 77) A metal conduit is coated with a layer of a cold flowable, adherent, waterproofing material over which is wound a continuous strip of a porous fabric woven of flat thermoplastic fibres. Method of making carbon cloth from pitch based fiber Schultz, D.A. (Union Carbide Corporation) US Pat 4 104 725 (29 March 1977) A process for producing carbon cloth using carbon fibres produced from coal-pitch.
COMPOSITES
. APRIL
1978