Easily openable sealed container

Details Easily openable sealed container Easily openable sealed container

B - Operations, Transporting

65

D

190/137.5

B65D 17/40 (2006.01) B32B 27/08 (2006.01) B65D 77/20 (2006.01)

Patent

CA 1297054

ABSTRACT An easily openable sealed container comprising a lid and a main body having at least a sealing layer and an adjacent layer beneath the sealing layer, wherein the main body and the lid are sealed at a part of the flange, characterized in that the sealing layer of the main body at the flange has a thickness of 10-70 µ, the lamination strength between the sealing layer and the adjacent layer of the main body at the flange is 300- 2,000 g/25 mm, and the sealing strength between the lid and the sealing layer of the main body at the flange is larger than the lamination strength between the sealing layer and the adjacent layer of the main body at the flange, and further characterized in that the main body and the lid are sealed with a larger sealing pressure at least at the innermost portion of the sealed area of the flange than at the rest of the sealed area, or that the flange of the main body has double grooves and the main body and the lid are sealed between these grooves.

576018

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