METHOD OF BEND MOLDING GLASS PLATE AND APPARATUS

METHOD OF BEND MOLDING GLASS PLATE AND APPARATUS

A heated and softened glass sheet G is put on a bending surface of a frame unit 34 to be preliminarily bent by gravity before the glass sheet G is pressed by an upper mold 58 and the frame unit 34. There are steps for using a certain means for controlling an amount of preliminary bending (160, 170,...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: FUKAMI, MASAO, KAJIKAWA, TOMIO, SASAKI, MIKINAO, OOTA, SHINYA, YAJIMA, TATSUO
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CHEMISTRY
GLASS
MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
METALLURGY
MINERAL OR SLAG WOOL
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Beschreibung
Zusammenfassung:A heated and softened glass sheet G is put on a bending surface of a frame unit 34 to be preliminarily bent by gravity before the glass sheet G is pressed by an upper mold 58 and the frame unit 34. There are steps for using a certain means for controlling an amount of preliminary bending (160, 170, 180, 190, 200) to control deformation of the glass sheet caused by the preliminary bending; and pressing the preliminarily bent glass sheet by the upper mold 38 and the frame unit 34.