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Patent Searching and Data


Title:
PRODUCTION METHOD OF PHOTOGRAPHIC PAPER
Document Type and Number:
Japanese Patent JP2003287850
Kind Code:
A
Abstract:

To provide a production method of a photographic paper which does not cause the surface cavity due to defective dispersion on a wire part, has an excellent texture, retains satisfactory sharpness with respect to thick matter and reduces the deterioration of the surface cavity and the texture and is as smooth as in the thick matter with respect to thin matter.

In the production of the photographic paper by using a paper machine in which a wire of the Fourdrinier paper machine and an on-top wire thereon are disposed, a slurry concentration is 0.5-2.0 wt.%, the vibration number just after the slurry is supplied onto the wire is 200-310 times/min, the amplitude is 6-15 mm and the SHAKE NUMBER is 45-110.


Inventors:
YAMAZAKI TAKESHI
TSUKAMOTO MASASHI
Application Number:
JP2002088874A
Publication Date:
October 10, 2003
Filing Date:
March 27, 2002
Export Citation:
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Assignee:
MITSUBISHI PAPER MILLS LTD
International Classes:
G03C1/775; D21F9/02; D21H17/17; (IPC1-7): G03C1/775; D21H17/17