Title:
EASILY OPENABLE SEALED CONTAINER
Document Type and Number:
WIPO Patent Application WO/2008/007449
Kind Code:
A1
Abstract:
An easily openable sealed container that ensures assured easy opening of sealed container, satisfying the conflicting demands of sealing completeness and unsealing easiness. There is provided a sealed container having sealing film (15) bonded to a superior surface of flange part (12) surrounding an opening of plastic-made pack container (11), wherein the flange part is furnished with break zone (19) composed of a separation line and a junction portion so as to create a structure allowing disintegration of the flange part into inside part (13) and outside part (14), and wherein a peeling film furnished with peeling initiation portion (21) is bonded to an inferior surface of the flange part furnished with the break zone so that the break zone can be exposed by peeling off the peeling film along the flange part, and wherein with respect to the sealing film and peeling film bonded to the superior surface and inferior surface of the flange part, the bonding strength between the sealing film and the area of the flange part outside the break zone is the greatest.
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Inventors:
FUJIMURA KAORU (JP)
Application Number:
PCT/JP2006/314334
Publication Date:
January 17, 2008
Filing Date:
July 13, 2006
Export Citation:
Assignee:
FUJIMURA KOGYO CO LTD (JP)
FUJIMURA KAORU (JP)
FUJIMURA KAORU (JP)
International Classes:
B65D85/30; B65D53/00; B65D77/20
Foreign References:
| JP2001328666A | 2001-11-27 | |||
| JP2006021791A | 2006-01-26 | |||
| JP2006044717A | 2006-02-16 | |||
| JP2002120869A | 2002-04-23 | |||
| JPS6388983U | 1988-06-09 | |||
| JPS6437370A | 1989-02-08 | |||
| US4955530A | 1990-09-11 |
Attorney, Agent or Firm:
IZAWA, Makoto (7-1 Nishi-Shinbashi, 3-chom, Minato-ku Tokyo 03, JP)
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