Invention Grant
- Patent Title: Packaging pouch for microwave oven
- Patent Title (中): 微波炉包装袋
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Application No.: US11912490Application Date: 2006-04-28
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Publication No.: US08933381B2Publication Date: 2015-01-13
- Inventor: Keizou Kanzaki , Taketo Sakurai , Shie Nishimoto
- Applicant: Keizou Kanzaki , Taketo Sakurai , Shie Nishimoto
- Applicant Address: JP Chiyoda-ku, Tokyo
- Assignee: Toyo Seikan Kaisha, Ltd.
- Current Assignee: Toyo Seikan Kaisha, Ltd.
- Current Assignee Address: JP Chiyoda-ku, Tokyo
- Agency: Christensen O'Connor Johnson Kindness PLLC
- Priority: JP2005-134381 20050502
- International Application: PCT/JP2006/308944 WO 20060428
- International Announcement: WO2006/120933 WO 20061116
- Main IPC: H05B6/80
- IPC: H05B6/80 ; B65D81/34 ; B65D33/01 ; B65D33/00 ; B65D65/26 ; B65D77/22
Abstract:
Provided is a packaging pouch for a microwave oven, provided with a steam releasing seal portion having a weakened portion, in which no clogging occurs in the steam releasing seal portion at the time of heat-cooking in a microwave oven, and any clogging occurred can be automatically eliminated. In the present invention, hermetic sealing is effected through heat sealing of a plastic film, and at least one steam releasing seal portion having a weakened portion is provided, with a width of the weakened portion gradually increasing from a forward end portion thereof to be opened toward a rear end portion thereof.
Public/Granted literature
- US20090314773A1 PACKAGING POUCH FOR MICROWAVE OVEN Public/Granted day:2009-12-24
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