| 摘要 |
PURPOSE: A plastic bag including an elastic transforming check valve is provided to prevent the separation of the check valve from a plastic body at the high temperature. CONSTITUTION: A plastic bag including an elastic transforming check valve comprises the following: a plastic body including a through-hole(111) on one side(110); the check valve opening and closing the through-hole by being installed on the one side; a pressure bending unit(211) elastically transforming by being protruded toward the opposite direction of the one side of the plastic body; a cover member(210) including a first discharge hole(213) connected to the through-hole; an opening/closing member(220) with a second discharge hole(223), located in between the one side of the plastic body and the cover member; and first and second blocking protrusions(221, 222). The cover member includes an insertion protrusion(214) inserted into the second discharge hole.
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