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1. WO2000040791 - OPENED YARN SHEET, OPENED YARN FABRIC AND FIBER REINFORCED COMPOSITE MATERIAL

Publication Number WO/2000/040791
Publication Date 13.07.2000
International Application No. PCT/JP2000/000007
International Filing Date 04.01.2000
Chapter 2 Demand Filed 31.07.2000
IPC
B29C 70/20 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
70Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
04comprising reinforcements only, e.g. self-reinforcing plastics
06Fibrous reinforcements only
10characterised by the structure of fibrous reinforcements
16using fibres of substantial or continuous length
20oriented in a single direction, e.g. roving or other parallel fibres
C08J 5/24 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H142
5Manufacture of articles or shaped materials containing macromolecular substances
24Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
CPC
B29C 70/202
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
70Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
04comprising reinforcements only, e.g. self-reinforcing plastics
06Fibrous reinforcements only
10characterised by the structure of fibrous reinforcements ; , e.g. hollow fibres
16using fibres of substantial or continuous length
20oriented in a single direction, e.g. roofing or other parallel fibres
202arranged in parallel planes or structures of fibres crossing at substantial angles, e.g. cross-moulding compound [XMC]
C08J 5/24
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G
5Manufacture of articles or shaped materials containing macromolecular substances
24Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
Applicants
  • KABUSHIKI KAISHA O.B.S. [JP/JP]; 6-4, Nagayamacho 1-chome Katsuyama-shi Fukui 911-0031, JP (AllExceptUS)
  • OISHIBASHI, Hiroji [JP/JP]; JP (UsOnly)
  • OKUDA, Toshiyuki [JP/JP]; JP (UsOnly)
Inventors
  • OISHIBASHI, Hiroji; JP
  • OKUDA, Toshiyuki; JP
Agents
  • KITAMURA, Shuichiro; 8-1, Toyosaki 5-chome Kita-ku Osaka-shi Osaka 531-0072, JP
Priority Data
11/122406.01.1999JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) OPENED YARN SHEET, OPENED YARN FABRIC AND FIBER REINFORCED COMPOSITE MATERIAL
(FR) FEUILLE DE FILS OUVERTS, TISSU DE FILS OUVERTS ET MATERIAU COMPOSITE RENFORCE PAR DES FIBRES
Abstract
(EN)
An opened yarn sheet, an opened yarn fabric and a fiber reinforced composite material which allow the improvement in characteristics of impregnation with a matrix and the reduction of void are provided. The opened yarn sheet is characterized in that it is composed of yarns which are opened by untying filaments constituting a multifilament in the direction of width; a plurality of fiber bundles (1) composed of such opened yarns are arranged in one direction with no clearance between them; every opened yarn used has the same METSUKE; a plurality of opened yarns placed in parallel are caused to stand in a row and have a single-piece structure to form an opened yarn sheet (10); and the relationship between METSUKE Wa (g/m2) of an opened yarn sheet and METSUKE Fy (g/m) of an opened yarn satisfies the equation: Wa = Kc.Fy 1/2 wherein Kc represents a constant (12.0 to 120.0).
(FR)
Cette invention se rapporte à une feuille de fils ouverts, à un tissu de fils ouverts et à un matériau composite renforcé par des fibres, qui permettent d'améliorer les caractéristiques d'imprégnation avec une matrice et la réduction des vides. Cette feuille de fils ouverts se caractérise: en ce qu'elle est composée de fils qui sont ouverts par déliage des filaments constituant une trame multifilament dans le sens de la largeur; en ce que plusieurs faisceaux de fibres (1) composés par ces fils ouverts sont disposés dans une seule direction sans espace libre entre eux; en ce que chaque fil ouvert utilisé possède la même valeur METSUKE; en ce que plusieurs fils ouverts placés en parallèle sont disposés en une rangée et présentent une structure monobloc, afin de former une feuille de fils ouverts (10); et en ce que la relation entre la valeur METSUKE Wa (g/m2) d'une feuille de fils ouverts et la valeur METSUKE Fy (g/m) d'un fil ouvert satisfait à l'équation: Wa = Kc.Fy1/2, où Kc représente une constante (12,0 à 120,0).____
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