Title:
加熱用包装容器
Document Type and Number:
Japanese Patent JP7024219
Kind Code:
B2
Abstract:
To provide a packing container with a rectangular tray having long sides and short sides for heating with no deformation due to internal pressure during the heating, no falling down or no leakage of contents as well as no deformation after cooling down, keeping its shape firmly.SOLUTION: A packing container comprises a rectangular tray (2) with its opening made of long sides and short sides and a sealing film (3) for sealing the opening. The tray has a fusion part (221) where the sealing film is fused to the entire perimeter of opening, and there are vapor release parts (24) in some portions of the fusion part. The vapor release parts are arranged at one or more positions on each side deviated from the center of the long sides of the fusion part. The sheet thickness of the tray is 0.6 mm or less.SELECTED DRAWING: Figure 1
More Like This:
| JP4481367 | Microwave cooking container |
| WO/1998/054056 | SEALED CONTAINER |
Inventors:
Yuki Nakata
Application Number:
JP2017121322A
Publication Date:
February 24, 2022
Filing Date:
June 21, 2017
Export Citation:
Assignee:
Toppan Printing Co., Ltd.
International Classes:
B65D81/34; B65D77/20
Domestic Patent References:
| JP8025583B2 | ||||
| JP2000062858A | ||||
| JP3062518U |
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