JPS629940A - 繊維強化樹脂製棒状体 - Google Patents

繊維強化樹脂製棒状体

Info

Publication number
JPS629940A
JPS629940A JP60148010A JP14801085A JPS629940A JP S629940 A JPS629940 A JP S629940A JP 60148010 A JP60148010 A JP 60148010A JP 14801085 A JP14801085 A JP 14801085A JP S629940 A JPS629940 A JP S629940A
Authority
JP
Japan
Prior art keywords
fiber
continuous filaments
fibers
cylindrical body
twisted cord
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP60148010A
Other languages
English (en)
Other versions
JPH0314623B2 (ja
Inventor
Minoru Sugita
杉田　稔
Teruyuki Nakatsuji
照幸 中辻
Tadashi Fujisaki
忠志 藤崎
Minoru Sawaide
稔 沢出
Noboru Ishikawa
登 石川
Yasuo Inada
稲田　泰夫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DAINIPPON GLASS KOGYO KK
KIYOUJIN SENI KOGYO KK
Shimizu Construction Co Ltd
Dainihon Glass Industry Co Ltd
Kyojin Rope Manufacturing Co Ltd
Original Assignee
DAINIPPON GLASS KOGYO KK
KIYOUJIN SENI KOGYO KK
Shimizu Construction Co Ltd
Dainihon Glass Industry Co Ltd
Kyojin Rope Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by DAINIPPON GLASS KOGYO KK, KIYOUJIN SENI KOGYO KK, Shimizu Construction Co Ltd, Dainihon Glass Industry Co Ltd, Kyojin Rope Manufacturing Co Ltd filed Critical DAINIPPON GLASS KOGYO KK
Priority to JP60148010A priority Critical patent/JPS629940A/ja
Priority to US06/881,697 priority patent/US4876143A/en
Publication of JPS629940A publication Critical patent/JPS629940A/ja
Publication of JPH0314623B2 publication Critical patent/JPH0314623B2/ja
Granted legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D99/00—Subject matter not provided for in other groups of this subclass
    • B29D99/0046—Producing rods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/06—Fibrous reinforcements only
    • B29C70/08—Fibrous reinforcements only comprising combinations of different forms of fibrous reinforcements incorporated in matrix material, forming one or more layers, and with or without non-reinforced layers
    • B29C70/088—Fibrous reinforcements only comprising combinations of different forms of fibrous reinforcements incorporated in matrix material, forming one or more layers, and with or without non-reinforced layers and with one or more layers of non-plastics material or non-specified material, e.g. supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/06—Fibrous reinforcements only
    • B29C70/10—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
    • B29C70/16—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length
    • B29C70/20—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in a single direction, e.g. roofing or other parallel fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/06—Fibrous reinforcements only
    • B29C70/10—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
    • B29C70/16—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length
    • B29C70/22—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in at least two directions forming a two dimensional structure
    • B29C70/222—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in at least two directions forming a two dimensional structure the structure being shaped to form a three dimensional configuration
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/07—Reinforcing elements of material other than metal, e.g. of glass, of plastics, or not exclusively made of metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/06—Rods, e.g. connecting rods, rails, stakes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
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    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249924—Noninterengaged fiber-containing paper-free web or sheet which is not of specified porosity
    • Y10T428/24994—Fiber embedded in or on the surface of a polymeric matrix
    • Y10T428/249942—Fibers are aligned substantially parallel
    • Y10T428/249943—Fiber is nonlinear [e.g., crimped, sinusoidal, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249924—Noninterengaged fiber-containing paper-free web or sheet which is not of specified porosity
    • Y10T428/24994—Fiber embedded in or on the surface of a polymeric matrix
    • Y10T428/249942—Fibers are aligned substantially parallel
    • Y10T428/249945—Carbon or carbonaceous fiber
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
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    • Y10T428/00—Stock material or miscellaneous articles
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    • Y10T428/249924—Noninterengaged fiber-containing paper-free web or sheet which is not of specified porosity
    • Y10T428/24994—Fiber embedded in or on the surface of a polymeric matrix
    • Y10T428/249942—Fibers are aligned substantially parallel
    • Y10T428/249946—Glass fiber
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
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    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249924—Noninterengaged fiber-containing paper-free web or sheet which is not of specified porosity
    • Y10T428/24994—Fiber embedded in or on the surface of a polymeric matrix
    • Y10T428/249942—Fibers are aligned substantially parallel
    • Y10T428/249947—Polymeric fiber
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2922—Nonlinear [e.g., crimped, coiled, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
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    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2933—Coated or with bond, impregnation or core
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2933—Coated or with bond, impregnation or core
    • Y10T428/294—Coated or with bond, impregnation or core including metal or compound thereof [excluding glass, ceramic and asbestos]
    • Y10T428/2951—Metal with weld modifying or stabilizing coating [e.g., flux, slag, producer, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2933—Coated or with bond, impregnation or core
    • Y10T428/294—Coated or with bond, impregnation or core including metal or compound thereof [excluding glass, ceramic and asbestos]
    • Y10T428/2951—Metal with weld modifying or stabilizing coating [e.g., flux, slag, producer, etc.]
    • Y10T428/2953—Titanium compound in coating
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2933—Coated or with bond, impregnation or core
    • Y10T428/2962—Silane, silicone or siloxane in coating
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2933—Coated or with bond, impregnation or core
    • Y10T428/2964—Artificial fiber or filament
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2933—Coated or with bond, impregnation or core
    • Y10T428/2964—Artificial fiber or filament
    • Y10T428/2967—Synthetic resin or polymer
    • Y10T428/2969—Polyamide, polyimide or polyester

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Reinforced Plastic Materials (AREA)
  • Moulding By Coating Moulds (AREA)
  • Reinforcement Elements For Buildings (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【発明の詳細な説明】 〔産業上の利用分野〕 この発明は、誦強度でかつ破断伸びが大きい繊維強化樹
脂製棒状体に関する。
〔従来技術とその問題点〕
繊維強化樹脂成形品、いわゆるＦＲＰは、比強度が高い
、耐食性に優れる、成形性がよく形状の自由度が嶋いな
どの特長を有し、種々の構造材料等に広く１史用さ扛て
いる。
ところで、第ｙ図はＦＲＰと鋼との応力−歪曲＠（Ｓ−
８曲線）を示すグラフであるが、このグラフからもわか
るように、ＦＲＰは塑性変形がほとんどなく、延性に極
めて低く、いわゆる強いが粘がないことがわかる。一方
、鋼は塑性変形が大きく、強くかつ粘り強いことがわか
る。
よって、ＦＲＰにおいても“粘り強さ”を付与できれば
、鋼等の金桟材料と同様の破壊挙動を示し、金属材料の
代替品としてより−１−の用途が広がることになる。
〔発明の目的〕
この発明は、上述の映望を満たすＦＲＰの一つとしての
繊維強化樹脂製棒状体を提供することを目的とするもの
で、補強繊維の一部または全部に、連続繊維を多数本撚
り合せた撚紐状連続繊維を用いることにより適度の破断
伸びを持たせるようにしたものである。
〔実施例〕
第１図は、この発明の繊維強化樹脂製棒状体の第ｔの例
を示すもので、図中符号ｌはこの棒状体の補強繊維の一
方をなす直線連続繊維である。この直線連続繊維ｌは、
ガラス繊維、カーボン繊維、ホウ素繊維、セラミック繊
維、金属繊維、ビニロン繊維、ナイロン繊維、ポリニス
デル繊維、アラミド繊維などの繊維の長繊維をｔＯ〜２
００本合糸したストランドをさらにｇ〜ｆコθ本東ねた
ロービングまたはトウが用いら扛る。繊維としては上記
種々の繊維を単独もしくは２Ｉ４１！以上適宜組合せて
１史用することができる。こｎらの繊維はマトリックス
樹脂に応じてシラン処理、ボラン処理などの表面処理を
施しておくこともできる。
また、図中符号２は、棒状体の補強繊維の他方をなす撚
紐状連続繊維である。この撚紐状連続２は、直線連続繊
維ｌを構成するロービングまたはトウと同種もしくは異
種のロービングまたはトウをさらに複数本撚り合わせて
なるものである。撚り合せは同心撚、果合撚、複合撚の
いずｒでもよく、またその他の撚り合せ方法でもよい。
さらに、図中符号８はマトリックスとなる合成樹脂であ
る。この合成樹脂８としては、特に限定さｎず、エポキ
シ樹脂、不能オ０ポリエステル樹脂、ポリウレタン樹脂
、ジアリルフタレート樹脂、フェノール樹脂などの熱硬
化性樹脂やポリアセタール樹脂、飽和ポリエステル樹脂
、ポリアミド樹脂、ポリスチロール樹脂、ポリカーボネ
イト樹脂、塩化ビニル樹脂、ポリエチレン樹脂、ポリプ
ロビレ・ン樹脂、アクリル樹脂などの熱可塑性樹脂が棒
状体の用途等に応じて適宜選択さｎる。
そして、上記１直線連続繊維ｌと撚紐状連続繊維２とは
、いず扛も当然のことなから棒状体の長手方向に配向さ
扛ており、この例にあっては多くの１ａ線連続繊維ｌ・
・・と多くの撚紐状連続繊維２・・・とが第ｆ図のよう
に特別の規則性なしにランダムに配置さ扛ている。また
、こ扛らの直線連続繊維ｌ・・・および撚紐状連続繊維
２・・・は、合成樹脂８中に若干の引張応力が加わった
状態で埋め込ま扛ている。
棒状体中の補強繊維の割合（Ｖｆ）は２０〜７０体噴％
の範囲とさｎｌ　２０体積％未満では十分な補強効果が
得られず、７０体積％を越えるものは製造が困難でめる
。また、補強繊維中の直線連続繊維ｌと撚紐状連続繊維
２との割合は、撚紐状連続繊維２が少なくなｎは破断伸
びが得ら扛なくなるので、撚紐状連続繊維２７５（２０
〜１００体槓％の範囲とさ扛、好ましくはＴＯ−９０体
積％の範囲とさｎる。
また、直線連続繊維ｌ・・・および撚紐状連続４１＃！
維２・・・は、棒状体中では直線状に配置さｎてもよく
、あるいは直線連続繊維ｌ・・・および撚紐状連続繊維
２・・・がそｎぞｎ別々にもしくは相互に撚り合されて
長手方向に配置さ扛ていてもよい。撚合の場合には、同
様に同心撚、集合撚、複合撚などが採用さｒる。
このような構造の棒状体を得るには、例えば所定本数の
直線連続繊維ｌ・・・と撚紐状連続繊維２・・・とをそ
れぞ扛送り出し、これらを未硬化液状のエポキシ樹脂等
が満された樹脂含浸槽に連続して送り込み、ここで樹脂
含浸する。ついで、樹脂含浸さ扛た繊維群を束ねて円筒
状の引抜＾金型に通し、樹脂を硬化させることにより、
連続的に腿尺の棒状体を製造することができる。この際
、前述のように直線連続繊維ｌ・・・および撚紐状連続
繊維２・・・とに所定の長手方向の張力がかかった状態
で樹脂を硬化させる必要があるので、直線連続繊維１・
・・および撚紐状連続繊維２・・・は所定のパックテン
ションがかけら扛た状態で金型に送り込ま扛る。
〔作用〕
このような棒状体にあっては、直線連続繊維ｌが第２図
中１１）のような応カー歪挙動を示し、撚紐状連続繊維
２が第２図中１）のような応カー歪挙動を示すことから
、第２図中１）に示すような金属材料に似た弾性率が高
く、破断伸びの大きな破暖挙動を示すようになり、金属
材料と同様の構造設計が可能となる。
特に補強繊維としてカーボン繊維などの高弾性繊維を選
び、その配合Ｉｔ　（Ｖｆ　’）　　を６０〜りＯ体積
％程度にした棒状体は、棒鋼に似た弾性率、破断強匿、
破断伸び等を示すようになる。よって、これを例えば鉄
筋コンクリート用鉄筋として使用することも可能であり
、従来の棒鋼製鉄筋にはない＠量性、耐食性、非磁性等
の特性を有するものが得られる。
〔他の実施例〕
第３図はこの発明の繊維強化樹脂製棒状体の第２の例を
示すもので、第１図に示すものと同一構成部分には同一
符号を付してその説明を省略する。
この例の棒状体は、多数の直線連続繊維ｌ・・・が中心
部に集中して配置さ牡、その外側にとｎら直線連続繊維
ｌ・・・を囲むように撚紐状連続繊維２・・・が配侍さ
ｎてなるものである。
また、第９図はこの発明の棒状体の第３の例を示すもの
で、この例では撚紐状連続繊維２・・・が中心部に配さ
れ、その外側に直線連続繊維ｌ・・・が置か牡だもので
ある。
これらの構造のものでも、若干の破壊挙動に差が生ずる
ものの同様の作用効果を得ることができる。
なお、棒状体の外径、長さなどは適宜用途に応じたもの
とすることができる。
〔発明の効果〕
以上説明したように、この発明の繊維強化樹脂製棒状体
は、補強繊維の一部または全部を連続繊維を撚って形成
した撚紐１状連続繊維としたもので、１すあるので、高
弾性率、高破断強反を有するとともに適度の破断伸びを
有するものとなり、その破壊挙動が鋼等の金端材料に似
たものとなり、広い用途に使用できるようになる。
特に、補強繊維にカーボン繊維などの高弾性繊維を用い
、その含有率を６０〜７０体積％とし、撚紐１状連続繊
維の割合をｉθ〜ｑＯ体積％程度としたものでは、棒鋼
に近い機械的特性を有するものになり、よってこれを例
えば鉄筋コンクリート用鉄筋として使用することが可能
となり、ａｔ性、耐食性、非磁性といったｌｆ４製鉄筋
にはない新しい特性を持った鉄筋が得られることになる
。
【図面の簡単な説明】
第１図、第３図、第９図はいず扛もこの発明の棒状体の
例を示す概略断面図、第２図は直線連続繊維、撚紐１状
連続繊維およびとｎらを複合したものの応力−歪曲線を
示すグラフ、第ｊ図は−およびＦＲＰの応力−歪曲線を
示すグラフである。 ｌ・・・・・・ｉＭ線連続繊維、２・・・・・・撚紐状
連続繊維、８・・・・・・合成樹脂。

Claims (1)

  1. 【特許請求の範囲】 補強繊維と合成樹脂とからなる繊維強化樹脂製棒状体に
    おいて、 補強繊維の一部または全部が連続繊維を撚つて形成した
    撚紐状連続繊維であることを特徴とする繊維強化樹脂製
    棒状体。
JP60148010A 1985-07-05 1985-07-05 繊維強化樹脂製棒状体 Granted JPS629940A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP60148010A JPS629940A (ja) 1985-07-05 1985-07-05 繊維強化樹脂製棒状体
US06/881,697 US4876143A (en) 1985-07-05 1986-07-03 Rod material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60148010A JPS629940A (ja) 1985-07-05 1985-07-05 繊維強化樹脂製棒状体

Publications (2)

Publication Number Publication Date
JPS629940A true JPS629940A (ja) 1987-01-17
JPH0314623B2 JPH0314623B2 (ja) 1991-02-27

Family

ID=15443082

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60148010A Granted JPS629940A (ja) 1985-07-05 1985-07-05 繊維強化樹脂製棒状体

Country Status (2)

Country Link
US (1) US4876143A (ja)
JP (1) JPS629940A (ja)

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Also Published As

Publication number Publication date
JPH0314623B2 (ja) 1991-02-27
US4876143A (en) 1989-10-24

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