B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 65/16 (2006.01) B32B 27/08 (2006.01) B65D 75/00 (2006.01) B65D 75/26 (2006.01) B65D 77/12 (2006.01)
Patent
CA 2482886
A packaging beg (1) where the heat sealing parts of packaging materials (2, 3) having a printed light shielding layer (14) in the layer structure are overlapped and heat sealed, and a sealing state confirming part (8) having a light transmittance higher than that of the other sealing side is provided across one sealing side (11) out of both sealing sides facing each other when the heat sealing parts are overlapped, Visual confirmation of incomplete heat sealing part can thereby be facilitated.
L'invention concerne un sac d'emballage (1) constitué de matériaux d'emballage (2, 3) dont les parties thermoscellables dont la structure comporte une couche imprimée de protection contre la lumière (14) se chevauchent et sont thermoscellées. Un côté (11) des deux côtés de scellage se faisant face lorsque les parties thermoscellables se chevauchent comporte une partie de confirmation de l'état de scellage (8) dont le facteur de transmission de la lumière est plus élevé que celui de l'autre côté de scellage. Par conséquent, l'invention facilite la confirmation visuelle d'une partie thermoscellable incomplète.
Masai Shingo
Shiokawa Shunichi
Aohata Corporation
Fetherstonhaugh & Co.
Toppan Printing Co. Ltd.
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