LID FOR PACKAGING CONTAINER FOR HEATING IN MICROWAVE OVEN AND PACKAGING CONTAINER FOR HEATING IN MICROWAVE OVEN

摘要

PROBLEM TO BE SOLVED: To provide, in a tongue piece provided on a lid of a packaging container for heating in a microwave oven, the lid for the packaging container for heating in the microwave oven which does not warp upward after manufacturing and creates no gap between a top plate of the lid and the tongue piece and having a tongue piece part open when steam is generated, and the packaging container for heating in the microwave oven using this.;SOLUTION: A lid 1 for a packaging container for heating in a microwave oven, in which the lid leaves a connecting part 42 by forming a notch 41 in a top plate surface 2 of the lid and is formed with a tongue piece 4 for discharging steam, the connecting part and/or a tip part 43 of the tongue piece is curved and/or bent convexly downward.;SELECTED DRAWING: Figure 1;COPYRIGHT: (C)2020,JPO&INPIT