Easily-openable packaging container

Details Easily-openable packaging container Easily-openable packaging container

B - Operations, Transporting

65

D

93/11, 226/65, 1

B65D 17/40 (2006.01) B32B 7/06 (2006.01) B65D 77/20 (2006.01) B65D 85/72 (2006.01)

Patent

CA 1303522

- 63 - ABSTRACT A multilayer container having a flange portion and an easily-openable packaging container packaged by using said multilayer container, wherein the interlaminar strength of said multilayer container is smaller than the peelig strength between said flange portion and the lid member, and a ring notch is provided to an inner surface layer of the flange portion inside a heat seal portion. The packaging container has both of a good sealing property and an easy openability and has an excellent resistance to boiling and retort treatment, and peeled surface has a good appearance. A method for producing said multilayer container and a method for producing said packaging container, and an apparatus to be used for producing said multilayer container, and a method for filling and packaging, and an apparatus for filling and packaging are disclosed.

533355

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