A method for lighttightly wrapping a stack of rectangular photographic light-sensitive sheets and for loading them by daylight in a lighttight cabinet

摘要

A method for lighttightly wrapping a stack of rectangular photographic light-sensitive sheets and for loading them by daylight in a lighttight cabinet arranged for opening said wrapped stack to set the light-sensitive sheets free for further treatment, which comprises the steps of :wrapping said photographic light-sensitive sheets (50) in a wrapper formed by two congruent lighttight wrapping foils (51,52) and providing said wrapper with a first peripheral lighttight closure (53) spaced from the four edges of said stack of sheets,providing said wrapper with a clamping, second peripheral lighttight closure (54) located between said first one and the perimeter of said sheet stack,opening said first closure in daylight and loading said wrapped stack of sheets while still closed by said second closure in said opened cabinet, andlighttightly closing said cabinet, unclamping said second closure and removing the wrapping foil lying on top of said stack of sheets to set them free for further processing.