Opening device for a packaging container and method of manufactu

Manufacturing container or tube from paper; or other manufacturi – Container making – Rigid container

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Details

493 85, 493339, 22912514, B31B 184

Patent

active

054982251

ABSTRACT:
Opening device for a packaging container with an unbroken, liquid-tight pouring spout (31, 33) and a closure part (3) is disclosed. A method of manufacturing the opening device entails forming the pouring spout (21, 33) with the closure part (3) as a mold, with a heated, thermoplastic material layer being forced into the closure part through a pressure difference.

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