Patent ID: 6235458
Filing Date: 2001-05-22
Classification: G03C,Y10S,Y10T

Abstract:
A method for heat-treating a support for a photographic film while conveying, which comprises the steps of:passing said support through from 2 to 100 rolls disposed so that gaps between the adjacent rolls are within the range of from 0.1 cm to 50 cm; andheat-treating said support during the conveyance,winding said heat-treated support,wherein said heat-treated support is cooled before said winding, the cooling rate in the temperature range from the glass transition temperature (Tg) of said support +40.degree. C. to the Tg -10.degree. C. being at 0.01.degree. C./second to 10.degree. C./second,wherein said support has coated thereon from 1 to 20 layers, andwherein said support is conveyed at a tension of from 1 kg/cm.sup.2 to 10 kg/cm.sup.2.