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Patent Searching and Data


Title:
COATING APPARATUS AND COATING METHOD USING THE SAME
Document Type and Number:
Japanese Patent JP2010201404
Kind Code:
A
Abstract:

To provide a coating apparatus and coating method using the same, which can suppress coating quantity even when a coating fluid has high viscosity within the region where the coating fluid has a low shear rate and can cause the formation of a coating film with a gravure coater while controlling the physical property of the coating fluid.

The coating apparatus for forming a coating film on a base material by a gravure coating method using a coating fluid with a shear viscosity of 1,000 mPa s or more when the shear rate is 1[1/s], which includes at least a mechanism for supplying a coating fluid from the lowermost part in the gravity direction among parts forming a liquid receptacle pan provided for the transfer of the coating fluid to a gravure roll, a mechanism for transferring the coating fluid to the gravure roll so as to form the coating film on the base material, and a mechanism for discarding the coating fluid not transferred to the gravure roll without circulation thereof into a supply system, wherein an opening for supplying the coating fluid to the receptacle pan is in a fountain-type nozzle shape having both narrowed ends of the slit.


Inventors:
HATTORI MASAKAZU
Application Number:
JP2009053202A
Publication Date:
September 16, 2010
Filing Date:
March 06, 2009
Export Citation:
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Assignee:
TOPPAN PRINTING CO LTD
International Classes:
B05C1/08; B05D1/28; B05D3/00; B05C11/10