Patent ID: 6526998
Filing Date: 2003-03-04
Classification: B08B,Y10T

Abstract:
A method of cleaning a container for a photographic treatment composition comprising the steps of: taking out a photographic treatment composition from a container to dissolve the photographic treatment composition in water so as to prepare photographic treatment solution; and cleaning the empty container,wherein the photographic treatment composition is in the form of powder, granules, tablets or slurry, the container filled with the photographic treatment composition comprises as a resin, only high-density polyethylene (HDPE) having a density of 0.941 to 0.969 g/cm3 and a melt index of 0.3 g/10 min to 5.0 g/10 min, the container is loaded into a cleaning apparatus, an inlet opening of the container is opened, the photographic treatment composition is injected into a dissolving tank, and cleaning water is sprayed to the inside portion of the empty container so as to clean the container.