| 摘要 |
<p>PURPOSE: An air sealing body including an automatically opening air valve is provided to reduce the air injection time by continuously injecting air into the sealing body automatically. CONSTITUTION: An air sealing body including an automatically opening air valve comprises outer films, inner films, a heat insulation material(1c), a first horizontal row sealing line(3a), a second horizontal row sealing line(3b), an air injection passage(9), a vertical horizontal row sealing line(3d), an air column(6), an air injection port(9a), and a heat-sealing block(5). The inner films are inserted in between the two outer films. The heat insulation material is coated on the inner films. The air injection passage includes the air injection port connecting the air injection passage and the air column.</p> |
