发明授权
US5123571A Process for the production and packaging of a bag-type dispenser, sub-assemblies and corresponding dispensers 失效
袋型分配器,分组合件和相应配件的生产和包装工艺

Process for the production and packaging of a bag-type dispenser,
sub-assemblies and corresponding dispensers
摘要:
A bag-type dispenser comprising a casing including a tubular body and a separate body portion, a tubular skirt, a dispensing portion and a one-piece molded annular dome of plastic material including an upper annular portion fixed to the dispensing portion, a lower tubular portion directly and sealingly fixed to the tubular skirt at an upper portion of the skirt over a height of 5 to 20 mm, and a lower annular portion outside the lower tubular portion, directly and sealingly fixed to the tubular body at an upper end. The dispenser can be filled with product by way of a lower end of the tubular skirt which is open, and which can subsequently be closed to form a bag.
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