Packaging bags

Abstract

This product is a packaging bag that can be used for cooking in a microwave oven. When using this product, for example, it is sold with cooking seasonings contained in the body. The purchaser (general consumer) then opens the opening slit in the flap to create an opening, releases the zipper tape and watertight joint to connect the outside with the inside of the product (the flap and the inside of the body), places ingredients into the product, reattaches the zipper tape to seal, and can cook in a microwave oven. After cooking is complete, the bag can be opened through the opening slit in the body to remove the cooked ingredients. The watertight joint in the flap separates the zipper tape from the inside of the body to prevent the cooking seasonings contained in the body from coming into contact with the zipper tape before opening the flap. The loose fitting portion of the zipper tape acts as a mechanism (steam release mechanism) that releases steam to the outside when the internal pressure of the product increases during cooking.

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