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Patent Searching and Data


Title:
GRAVURE ROLL AND COATING METHOD
Document Type and Number:
Japanese Patent JP2011194381
Kind Code:
A
Abstract:

To provide a gravure roll capable of preventing a phenomenon such that the heights of the end parts become higher and realizing uniform thickness profile in the coating width direction, and a coating method using the gravure roll.

The gravure roll in which a cell is formed on the peripheral surface of the roll is provided, wherein a region is present in at least one end part in the direction of a rotary shaft of the gravure roll, in which a cell volume is 0.90 times or less the cell volume at the center in the direction of the rotary shaft of the gravure roll and the ratio (Vb/Va) of the average cell volume Vb in the region in which the cell volume is 0.90 times or less as described above to the average cell volume Va in a region other than the region in which the cell volume is 0.90 or less ranges from 0.70 to 0.90.


Inventors:
OBAYASHI YOSHITAKA
IWANAGA KEIJI
Application Number:
JP2010067261A
Publication Date:
October 06, 2011
Filing Date:
March 24, 2010
Export Citation:
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Assignee:
TORAY ADVANCED FILM CO LTD
International Classes:
B05C1/08; B05D1/28
Domestic Patent References:
JP2007111658A2007-05-10
JP2008144079A2008-06-26
JP2004250614A2004-09-09
Attorney, Agent or Firm:
Hiroaki Yoshizawa