B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 5/74 (2006.01) B29C 33/00 (2006.01) B31B 1/84 (2006.01) B31B 1/90 (2006.01) B65B 61/18 (2006.01) B29C 51/10 (2006.01)
Patent
CA 2063086
ABSTRACT OF THE DISCLOSURE Opening device for a packaging container with an unbroken, liquid-tight pouring spout (31, 33) and a closure part (3) enclosing this. A method of manufacturing the opening device entails forming the pouring spout (21, 33) with the closure part (3) as a mould, with a heated, thermoplastic material layer being forced into the closure part through a pressure difference.
Marks & Clerk
Tetra Laval Holdings & Finance Sa
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