APPARATUS AND METHOD FOR PROCESSING GLASS SHEET

WIPO Patent Application WO/2011/129265

A1

Disclosed is a glass sheet processing apparatus, which relatively moves a cutter (30) and a glass sheet (40), said cutter being connected to one end of an air cylinder (10) with a holder (20) therebetween, in a state wherein the cutter (30) is in pressure-contact with the glass sheet (40), and which processes a cutting line (42) on the glass sheet (40). The air cylinder (10) has a cylinder main body (11), a piston (12) that can reciprocate in the cylinder main body (11), and first and second pressure chambers (14, 15), which are demarcated on both the sides of the piston (12). The atmospheric pressure in the first and the second pressure chambers (14, 15) can be independently controlled, and the pressure chambers are communicated through a space (17) between the inner circumferential surface (114) of the cylinder main body (11) and the outer circumferential surface (122) of the piston (12). A groove (18) is provided on the inner side of the outer circumferential surface (122) of the piston (12).

TOYOSHIMA Kazuya (Limited. 12-1, Yurakucho 1-chome, Chiyoda-k, Tokyo 05, 〒1008405, JP)
豊嶋　一也 (〒05 東京都千代田区有楽町一丁目１２番１号　旭硝子株式会社内 Tokyo, 〒1008405, JP)

JP2011/058848

October 20, 2011

April 07, 2011

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Asahi Glass Company, Limited. (5-1 Marunouchi 1-chome, Chiyoda-ku Tokyo, 05, 〒1008405, JP)
旭硝子株式会社 (〒05 東京都千代田区丸の内一丁目５番１号 Tokyo, 〒1008405, JP)
TOYOSHIMA Kazuya (Limited. 12-1, Yurakucho 1-chome, Chiyoda-k, Tokyo 05, 〒1008405, JP)

C03B33/027; B28D1/24; B28D5/00

OGURI Shohei et al. (Eikoh Patent Firm, Toranomon East Bldg. 10F,7-13, Nishi-Shimbashi 1-chome, Minato-ku, Tokyo 03, 〒1050003, JP)

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