Title:
GLASS MANUFACTURING APPARATUS AND METHOD
Document Type and Number:
WIPO Patent Application WO/2017/204526
Kind Code:
A8
Abstract:
A glass manufacturing apparatus and a method are provided. The method includes the steps of: a) forming a glass ribbon having a width; c) operating a pull roll device, comprising at least one pair of draw rolls and at least one pair of driving devices, the at least one pair of draw rolls comprising a first draw roll and a second draw roll, the at least one pair of driving devices comprising a first driving device driving the first draw roll and a second driving device driving the second draw roll, to draw the glass ribbon along a draw path extending transverse to the width such that the first draw roll rotates in a first rotating condition to draw one surface of the glass ribbon and the second draw roll rotates in a second rotating condition to draw the other surface of the glass ribbon; b) determining whether a first driving current supplied to the first driving device to drive the first draw roll and a second driving current supplied to the second driving device to drive the second draw roll are substantially different from each other; and c) modifying at least one of the first and second rotating conditions when the first and second driving currents are determined to be substantially different from each other.
Inventors:
JEONG YONGJAE (KR)
KIM YEONJIN (KR)
LEE JINKON (KR)
LEE JUKWANG (KR)
NAMKOONG KYUNGHO (KR)
KIM YEONJIN (KR)
LEE JINKON (KR)
LEE JUKWANG (KR)
NAMKOONG KYUNGHO (KR)
Application Number:
PCT/KR2017/005340
Publication Date:
December 28, 2017
Filing Date:
May 23, 2017
Export Citation:
Assignee:
CORNING PREC MATERIALS CO LTD (KR)
International Classes:
C03B17/06
Attorney, Agent or Firm:
LEE & PARK (KR)
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