CUTTING WORKING METHOD OF LAMINATED SHEET, LAMINATED SHEET, OPTICAL ELEMENT AND PICTURE IMAGE DISPLAY DEVICE

Title:

CUTTING WORKING METHOD OF LAMINATED SHEET, LAMINATED SHEET, OPTICAL ELEMENT AND PICTURE IMAGE DISPLAY DEVICE

Document Type and Number:

Japanese Patent JP2004167673

Kind Code:

A

Abstract:

To provide a cutting working method of a laminated sheet capable of working the laminated sheet in favorable precision at the time of cutting and finishing a cutting surface of the laminated sheet.

This cutting working method of the laminated sheet to cut and finish the cutting surface of the laminated sheet cut rectangular is provided with a process to cut the cutting surface of the laminated sheet by a cutting means in a state of accumulating a plurality of the laminated sheets in the thickness direction and cuts and works a plurality of the laminated sheets in bulk by making a cutting flap t(mm) 0.5 to 10mm, furthermore, favorably 10 to 100mm in total thickness (h) by specifying t×h≤1,000(mm2) in the case when the cutting flap is t(mm) and the total thickness of the accumulated laminated sheets is h(mm).

Inventors:

MASUDA TOMOAKI
TSUCHIMOTO KAZUYOSHI
KONDO SEIJI
KIMURA KOJI

Application Number:

JP2003352167A

Publication Date:

June 17, 2004

Filing Date:

October 10, 2003

Export Citation:

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Assignee:

NITTO DENKO CORP

International Classes:

G02B5/30; B23C3/12; B23P23/04; B26D7/01; G02B1/00; (IPC1-7): B26D7/01; G02B5/30

Attorney, Agent or Firm:

Takao Suzuki
Koichi Kajisaki
Yuzo Ozaki
Toshihiko Taniguchi

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