JPH0433632U - - Google Patents

Info

Publication number
JPH0433632U
JPH0433632U JP7149490U JP7149490U JPH0433632U JP H0433632 U JPH0433632 U JP H0433632U JP 7149490 U JP7149490 U JP 7149490U JP 7149490 U JP7149490 U JP 7149490U JP H0433632 U JPH0433632 U JP H0433632U
Authority
JP
Japan
Prior art keywords
glass rod
heating furnace
drawn
opening
diameter
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.)
Pending
Application number
JP7149490U
Other languages
English (en)
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 filed Critical
Priority to JP7149490U priority Critical patent/JPH0433632U/ja
Publication of JPH0433632U publication Critical patent/JPH0433632U/ja
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01Manufacture of glass fibres or filaments
    • C03B37/012Manufacture of preforms for drawing fibres or filaments
    • C03B37/01205Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments
    • C03B37/01225Means for changing or stabilising the shape, e.g. diameter, of tubes or rods in general, e.g. collapsing
    • C03B37/01257Heating devices therefor
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01Manufacture of glass fibres or filaments
    • C03B37/012Manufacture of preforms for drawing fibres or filaments
    • C03B37/01205Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments
    • C03B37/01225Means for changing or stabilising the shape, e.g. diameter, of tubes or rods in general, e.g. collapsing
    • C03B37/0126Means for supporting, rotating, translating the rod, tube or preform

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)

Description

【図面の簡単な説明】
第1図は本考案のガラス棒延伸装置の一実施例
を示す概略図、第2図はその炉体開口径調整用装
置の構成例を示す斜視図、第3図は従来のガラス
棒延伸用加熱炉の構造を示す概略図である。 図中、1は送りチヤツク(把持装置)、2は送
り棒、3は被延伸体(被延伸ガラス棒)、4は外
径測定器、5は炉体上部開口径調整装置、6は挿
入口、7は引出す棒、8は加熱炉、9は発熱体、
10は引出し口、12は炉体下部開口径調整装置
、13は自動開閉引出しチヤツク(把持装置)、
14はチヤツク送出しネジ、15は減速機、16
はチヤツク送出し用モータ、18は送りチヤツク
送り量測定器、19は自動開閉引出しチヤツク送
り量測定器、20は絞り羽根押え、21は絞り羽
根、22は歯車付き羽根駆動リング、23は歯車
、24は開口径調整用モータ、25は閉止蓋、2
6はシール蓋、27はガス排出口、28は下蓋を
示す。

Claims (1)

    【実用新案登録請求の範囲】
  1. 外径が部分的に異なる被延伸ガラス棒をその両
    端を把持装置で把持して加熱炉に挿入し延伸する
    ガラス棒延伸装置において、上記2つの把持装置
    のうち少なくとも一方は自動的な開閉把持が可能
    に構成し、上記加熱炉の挿入口側上方には前記被
    延伸ガラス棒の外径測定器を設け、前記加熱炉の
    上下の挿入口及び引出し口には、前記外径測定器
    による測定結果に従い、被延伸ガラス棒の外径と
    の間の隙間が最小となるように開口径を自動的に
    調整する開口径調整装置を設けたことを特徴とす
    るガラス棒延伸装置。
JP7149490U 1990-07-06 1990-07-06 Pending JPH0433632U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7149490U JPH0433632U (ja) 1990-07-06 1990-07-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7149490U JPH0433632U (ja) 1990-07-06 1990-07-06

Publications (1)

Publication Number Publication Date
JPH0433632U true JPH0433632U (ja) 1992-03-19

Family

ID=31608575

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7149490U Pending JPH0433632U (ja) 1990-07-06 1990-07-06

Country Status (1)

Country Link
JP (1) JPH0433632U (ja)

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