電子レンジ用包装袋

Japanese Patent JP7379863

B2

To provide a packaging bag for a microwave oven which can be used for heat cooking by the microwave oven with a content being hermetically packaged.SOLUTION: A packaging bag for a microwave oven includes: a first upper member; a second upper member partitioned into a first surface and a second surface via a folding part; and a lower member. The second upper member is disposed between the first upper member and the lower member in a state of being folded at the folding part in a V-shaped manner in a cross-sectional view. On the first surface, a wing part is formed in which a peripheral edge excluding the folding part is bonded, and the first upper member excluding the second surface and the wing part opposes to the lower member, and the peripheral edge is bonded by a peripheral edge bonding part. The packaging bag for the microwave oven includes easy steam passing means for forming an opening part at the wing part. It also includes: a first protrusion bonding part for bonding the first upper member and the lower member at a position sandwiching the folding part from inner edges of the peripheral edge bonding part on both sides crossing the folding part and protruding inward; and a second protrusion bonding part for bonding the second surface of the second upper member and the lower member and protruding inward.SELECTED DRAWING: Figure 1

Shinichi Nagata

JP2019091247A

November 15, 2023

May 14, 2019

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Dai Nippon Printing Co.,Ltd.

B65D81/34; B65D33/01; B65D77/12

JP2003155070A

WO2005009869A1

Hiromi Fujimasu
Keiko Fukamachi
Hideo Ito
Naoki Goto
Hideyuki Tateishi

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