Title:
SPLITTING METHOD AND SPLITTING DEVICE FOR PANEL OF BRITTLE MATERIAL
Document Type and Number:
WIPO Patent Application WO/2015/004835
Kind Code:
A1
Abstract:
According to this method for splitting a panel of a brittle material, firstly, a tiny origin mark (16) is formed on a planned split line (2) on a first principal surface (1a) of a panel (1), while meanwhile holding down the principal surface (1a) of the panel (9) along a pair of lines. Meanwhile, e.g., a splitting member (11) for contact-heating a second principal surface (1b) of the panel (1) is brought into contact with the second principal surface (1b) of the panel (1), producing tensile/thermal stress at the first principal surface (1a), as well as imparting bending force in the panel thickness direction to the second principal surface (1a) of the panel (9), producing overlapping tensile/thermal stress and tensile stress due to the bending force. In so doing, the panel (1) can be split along the planned split line (2).
Inventors:
OGUSHI OSAMI
KIRITOSHI TAKANORI
NAKAZAWA MUTSUHIRO
TSUJITA KEIJI
KIRITOSHI TAKANORI
NAKAZAWA MUTSUHIRO
TSUJITA KEIJI
Application Number:
PCT/JP2014/002684
Publication Date:
January 15, 2015
Filing Date:
May 22, 2014
Export Citation:
Assignee:
KAWASAKI HEAVY IND LTD (JP)
International Classes:
B26F3/00; C03B33/09; B28D5/00
Domestic Patent References:
| WO2012132974A1 | 2012-10-04 |
Foreign References:
| JP2003238180A | 2003-08-27 | |||
| JP2007055072A | 2007-03-08 | |||
| JP2005187283A | 2005-07-14 |
Attorney, Agent or Firm:
PATENT CORPORATE BODY ARCO PATENT OFFICE (JP)
Patent business corporation Owner old patent firm (JP)
Patent business corporation Owner old patent firm (JP)
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