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Title:
BRITTLE BOARD DIVIDING SYSTEM AND BRITTLE BOARD DIVIDING METHOD
Document Type and Number:
WIPO Patent Application WO/2004/096721
Kind Code:
A1
Abstract:
A brittle board dividing system comprises a scribing device provided with a scribe line forming means for forming a scribe line on the first surface of a brittle board, and a breaking device for breaking the brittle board along the scribe line, the breaking device having a first press control means by which pressing against the second surface of the brittle board opposed to the first surface of the brittle board is moved along the scribe line while holding the first surface of the brittle board.

Inventors:
OTODA KENJI (JP)
INOUE SHUICHI (JP)
Application Number:
PCT/JP2004/006103
Publication Date:
November 11, 2004
Filing Date:
April 27, 2004
Export Citation:
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Assignee:
MITSUBOSHI DIAMOND IND CO LTD (JP)
OTODA KENJI (JP)
INOUE SHUICHI (JP)
International Classes:
B28D5/00; C03B33/027; C03B33/03; C03B33/033; C03B33/037; C03B33/09; G02F1/13; H01J9/24; G02F1/1333; (IPC1-7): C03B33/033; B28D5/00; B23K26/38
Domestic Patent References:
WO2002057192A12002-07-25
WO2002057192A12002-07-25
Foreign References:
JPS60112634A1985-06-19
JPS5276317A1977-06-27
JP2000063137A2000-02-29
JPH11116260A1999-04-27
JP2003286044A2003-10-07
FR2304582A11976-10-15
Other References:
See also references of EP 1630140A4
Attorney, Agent or Firm:
Yamamoto, Shusaku (Crystal Tower 2-27, Shiromi 1-chome, Chuo-k, Osaka-shi Osaka, JP)
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