MANUFACTURING METHOD OF GLASS TUBE, AND HOLDING IMPLEMENT OF GLASS TUBE

PROBLEM TO BE SOLVED: To suppress deformation generated when crystallizing a glass tube.SOLUTION: A manufacturing method of a glass tube G includes steps of: installing an original glass tube G on a heat-resistant holding mold 2; covering the original glass tube G installed on the holding mold 2 wit...

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Bibliographic Details
Main Authors MINOWA HAJIME, KANDA TOSHIRO
Format Patent
LanguageEnglish
Japanese
Published 02.02.2017
Subjects
CHEMISTRY
GLASS
MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
METALLURGY
MINERAL OR SLAG WOOL
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Summary:PROBLEM TO BE SOLVED: To suppress deformation generated when crystallizing a glass tube.SOLUTION: A manufacturing method of a glass tube G includes steps of: installing an original glass tube G on a heat-resistant holding mold 2; covering the original glass tube G installed on the holding mold 2 with a heat-resistant coating member 3; and obtaining a heat-treated glass tube by heating the original glass tube G by a heating apparatus 7.SELECTED DRAWING: Figure 1 【課題】ガラス管を結晶化する際にその変形を抑制する。【解決手段】 ガラス管Ｇの製造方法は、耐熱性の保持型２に原ガラス管Ｇを設置する工程と、保持型２に設置された原ガラス管Ｇに耐熱性の被覆部材３を被せる工程と、原ガラス管Ｇを加熱装置７により加熱して熱処理されたガラス管を得る工程と、を備える。【選択図】図１
Bibliography:Application Number: JP20150144048