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Title:
APPARATUS FOR RECLAIMING GLASS SUBSTRATE
Document Type and Number:
WIPO Patent Application WO/2010/016214
Kind Code:
A1
Abstract:
An apparatus (10) for reclaiming a glass substrate being conveyed in an approximately horizontally supported state by a conveyor, the apparatus comprising a first alkali solution treatment part (12), an acid solution treatment part (14), and a second alkali solution treatment part (16), the parts (12), (14), and (16) having been arranged in this order in the defective-substrate conveying direction.  In the first alkali solution treatment part (12), a defective substrate conveyed from a substrate introduction part (11) is sprayed with an alkali solution to remove the resinous layer which is an uppermost layer.  In the acid solution treatment part (14), the defective substrate rinsed in a water rinsing part (13) is sprayed with an acid solution to remove the metallic layer which is an interlayer.  In the second alkali solution treatment part (16), the defective substrate rinsed in a water rinsing part (15) is sprayed with an alkali solution to remove the resinous layer which is a lowermost layer.  With this glass substrate reclamation apparatus (10), the reclamation of a glass substrate (2) can be carried out in a short time, and the glass substrate (2) is inhibited from being damaged.

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Inventors:
SEGAWA TATSUYA
ASAI KIWAMU
NAKANISHI SHUNSUKE
CHINONE HIROYUKI
SUZUKI MITSURU
Application Number:
PCT/JP2009/003654
Publication Date:
February 11, 2010
Filing Date:
July 31, 2009
Export Citation:
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Assignee:
TOPPAN PRINTING CO LTD (JP)
SEGAWA TATSUYA
ASAI KIWAMU
NAKANISHI SHUNSUKE
CHINONE HIROYUKI
SUZUKI MITSURU
International Classes:
B09B3/00; G02B5/20; G02F1/13; G02F1/1333
Foreign References:
JPH07230081A1995-08-29
JPH1149533A1999-02-23
JP2002179438A2002-06-26
JP2003279915A2003-10-02
JP2004125950A2004-04-22
JP2004186208A2004-07-02
JP2006154752A2006-06-15
Attorney, Agent or Firm:
OGASAWARA, Shiro (JP)
Shiro Ogasawara (JP)
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