Package making – Methods – Opening only
Reexamination Certificate
2007-04-24
2007-04-24
Harmon, Chris (Department: 3721)
Package making
Methods
Opening only
C053S449000, C053S381400, C053S382100
Reexamination Certificate
active
11182787
ABSTRACT:
An unsealing method for unsealing a packaging structure for a liquid container in which the packaging structure includes a covering member having an air vent sealing portion, a liquid supply sealing portion, and a connecting region which covers a connecting side of the liquid container and which connects the air vent and liquid supply scaling portions. The liquid supply sealing portion effects non-adhering sealing, and the connecting portion provides resistance against unsealing of the liquid supply portion. The covering member also has first and second regions which respectively include first and second resistance generation portions for generating resistance against unsealing. According to the unsealing method, the air vent is unsealed, the first resistance generating portion is separated from the liquid container, the liquid supply portion is unsealed, and the second resistance generating portion is separated. By virtue of this arrangement, the liquid container can be unsealed methodically without unexpected unsealings.
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Nanjo Tatsuo
Shimizu Eiichiro
Takenouchi Masanori
Yamamoto Hajime
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