Title:
METHOD AND APPARATUS FOR REMOVING A CRACK FROM A CUT EDGE OF A GLASS PLATE AND GLASS PLATE IN WHICH A CRACK IS REMOVED FROM A CUT EDGE
Document Type and Number:
WIPO Patent Application WO/2012/165864
Kind Code:
A3
Abstract:
The present invention relates to a method and apparatus for processing a cut edge of a thin-sheet glass. More particularly, the present invention relates to a method and apparatus for removing a fine crack from the cut edge of a glass plate. In addition, the present invention relates to a glass plate from which a crack in a cut edge is removed. The method for removing the crack from the cut edge of the glass plate according to the present invention comprises: a preheating step of preheating, at a temperature lower than a melting temperature, a glass plate which has been cut into a predetermined size so as to have a flat first surface defined by a cut edge; a flame crack-removing step of protecting the portion of the glass plate other than the cut edge of the first surface from contacting a flame, and removing the crack from the cut edge by heating the cut edge such that only the glass at the cut edge is melted, using a flame-throwing means for throwing flame such that the cut edge directly contacts the flame; and a cooling step of slowly cooling the glass plate.
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Inventors:
PARK JAE HOON (KR)
Application Number:
PCT/KR2012/004273
Publication Date:
March 28, 2013
Filing Date:
May 31, 2012
Export Citation:
Assignee:
AGLASS CO LTD (KR)
PARK JAE HOON (KR)
PARK JAE HOON (KR)
International Classes:
C03B29/00; C03B32/00; C03B35/14
Foreign References:
| KR20070094494A | 2007-09-20 | |||
| KR20090129440A | 2009-12-16 | |||
| KR101049199B1 | 2011-07-14 | |||
| JP2001294437A | 2001-10-23 |
Attorney, Agent or Firm:
DYNE PATENT & LAW FIRM (7th floor Jelzone Tower1,17-1, Jeongja-dong, Bundang-gu, Seongnam-si, Gyeonggi-do 463-847, KR)
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Claims: