CONTAINER FOR A CLEANING PRODUCT

摘要

Container for e.g. washing machine cleaners etc. is mfd. with a hole in the lid which is sealed with a stopper pref. made of a paraffin wax which melts at a specific temp. to release material in the container. The inner circumference of the hole has a raised ring which increases in thickness towards the radial axis of the container and is used to hold the solidifying stopper. The ring pref. has a swallow tail- or T-profile. Pref. the sealed hole is covered with a polypropylene resin coated metal foil.