JP1752522S - packaging bag - Google Patents

Abstract

This article is a packaging bag for enclosing contents such as liquid or solid foods and subjecting them to heat treatment. This article has a bag shape with an open bottom end, and the front side has a gassho seal part in which a film placed at the bottom of the front and a film placed at the top of the front are laminated in a gassho shape. have. An easy-to-open seal is applied to the base side of the gassho seal, and a normal seal is applied to the tip of the gassho seal, leaving a partially unsealed area. There is. This article is distributed on the market with the seasoning liquid etc. sealed inside the article by, for example, filling the inside with a seasoning liquid etc. through the opening at the lower end of the article and sealing the opening. For example, the consumer can cut off the upper end of the product, open the zipper, fill it with ingredients, etc., close the zipper, reseal it, and then heat it in a microwave oven, etc. . When this article is heat-treated with the contents sealed inside, the internal pressure increases due to the steam generated from the contents and the thermal expansion of the air present inside. When the center of the easy-to-open seal part peels off, the inside of the product communicates with the non-sealed area on the tip side, and steam and thermally expanded air are discharged to the outside. It can prevent it from bursting.